libc: use standard LF line endings, not CRLF
This commit is contained in:
Ed Maste
parent
7f6157f7fd
commit
29e54af43e
@ -1,49 +1,49 @@
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/* $FreeBSD$ */
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/* $FreeBSD$ */
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/*
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/*
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===============================================================================
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===============================================================================
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|
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This C header file is part of the SoftFloat IEC/IEEE Floating-point
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This C header file is part of the SoftFloat IEC/IEEE Floating-point
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Arithmetic Package, Release 2a.
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Arithmetic Package, Release 2a.
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Written by John R. Hauser. This work was made possible in part by the
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Written by John R. Hauser. This work was made possible in part by the
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International Computer Science Institute, located at Suite 600, 1947 Center
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International Computer Science Institute, located at Suite 600, 1947 Center
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Street, Berkeley, California 94704. Funding was partially provided by the
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Street, Berkeley, California 94704. Funding was partially provided by the
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National Science Foundation under grant MIP-9311980. The original version
|
National Science Foundation under grant MIP-9311980. The original version
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of this code was written as part of a project to build a fixed-point vector
|
of this code was written as part of a project to build a fixed-point vector
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processor in collaboration with the University of California at Berkeley,
|
processor in collaboration with the University of California at Berkeley,
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overseen by Profs. Nelson Morgan and John Wawrzynek. More information
|
overseen by Profs. Nelson Morgan and John Wawrzynek. More information
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is available through the Web page `http://HTTP.CS.Berkeley.EDU/~jhauser/
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is available through the Web page `http://HTTP.CS.Berkeley.EDU/~jhauser/
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arithmetic/SoftFloat.html'.
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arithmetic/SoftFloat.html'.
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|
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||||||
THIS SOFTWARE IS DISTRIBUTED AS IS, FOR FREE. Although reasonable effort
|
THIS SOFTWARE IS DISTRIBUTED AS IS, FOR FREE. Although reasonable effort
|
||||||
has been made to avoid it, THIS SOFTWARE MAY CONTAIN FAULTS THAT WILL AT
|
has been made to avoid it, THIS SOFTWARE MAY CONTAIN FAULTS THAT WILL AT
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||||||
TIMES RESULT IN INCORRECT BEHAVIOR. USE OF THIS SOFTWARE IS RESTRICTED TO
|
TIMES RESULT IN INCORRECT BEHAVIOR. USE OF THIS SOFTWARE IS RESTRICTED TO
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||||||
PERSONS AND ORGANIZATIONS WHO CAN AND WILL TAKE FULL RESPONSIBILITY FOR ANY
|
PERSONS AND ORGANIZATIONS WHO CAN AND WILL TAKE FULL RESPONSIBILITY FOR ANY
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||||||
AND ALL LOSSES, COSTS, OR OTHER PROBLEMS ARISING FROM ITS USE.
|
AND ALL LOSSES, COSTS, OR OTHER PROBLEMS ARISING FROM ITS USE.
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||||||
|
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||||||
Derivative works are acceptable, even for commercial purposes, so long as
|
Derivative works are acceptable, even for commercial purposes, so long as
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(1) they include prominent notice that the work is derivative, and (2) they
|
(1) they include prominent notice that the work is derivative, and (2) they
|
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include prominent notice akin to these four paragraphs for those parts of
|
include prominent notice akin to these four paragraphs for those parts of
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this code that are retained.
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this code that are retained.
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|
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===============================================================================
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===============================================================================
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*/
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*/
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|
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/*
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/*
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-------------------------------------------------------------------------------
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-------------------------------------------------------------------------------
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Include common integer types and flags.
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Include common integer types and flags.
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-------------------------------------------------------------------------------
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-------------------------------------------------------------------------------
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*/
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*/
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#include "../../../processors/!!!processor.h"
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#include "../../../processors/!!!processor.h"
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/*
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/*
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-------------------------------------------------------------------------------
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-------------------------------------------------------------------------------
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Symbolic Boolean literals.
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Symbolic Boolean literals.
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-------------------------------------------------------------------------------
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-------------------------------------------------------------------------------
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*/
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*/
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enum {
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enum {
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FALSE = 0,
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FALSE = 0,
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TRUE = 1
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TRUE = 1
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};
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};
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@ -1,465 +1,465 @@
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/* $FreeBSD$ */
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/* $FreeBSD$ */
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|
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/*
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/*
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===============================================================================
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===============================================================================
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|
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This C source fragment is part of the SoftFloat IEC/IEEE Floating-point
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This C source fragment is part of the SoftFloat IEC/IEEE Floating-point
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Arithmetic Package, Release 2a.
|
Arithmetic Package, Release 2a.
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|
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Written by John R. Hauser. This work was made possible in part by the
|
Written by John R. Hauser. This work was made possible in part by the
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International Computer Science Institute, located at Suite 600, 1947 Center
|
International Computer Science Institute, located at Suite 600, 1947 Center
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Street, Berkeley, California 94704. Funding was partially provided by the
|
Street, Berkeley, California 94704. Funding was partially provided by the
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National Science Foundation under grant MIP-9311980. The original version
|
National Science Foundation under grant MIP-9311980. The original version
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||||||
of this code was written as part of a project to build a fixed-point vector
|
of this code was written as part of a project to build a fixed-point vector
|
||||||
processor in collaboration with the University of California at Berkeley,
|
processor in collaboration with the University of California at Berkeley,
|
||||||
overseen by Profs. Nelson Morgan and John Wawrzynek. More information
|
overseen by Profs. Nelson Morgan and John Wawrzynek. More information
|
||||||
is available through the Web page `http://HTTP.CS.Berkeley.EDU/~jhauser/
|
is available through the Web page `http://HTTP.CS.Berkeley.EDU/~jhauser/
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arithmetic/SoftFloat.html'.
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arithmetic/SoftFloat.html'.
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|
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THIS SOFTWARE IS DISTRIBUTED AS IS, FOR FREE. Although reasonable effort
|
THIS SOFTWARE IS DISTRIBUTED AS IS, FOR FREE. Although reasonable effort
|
||||||
has been made to avoid it, THIS SOFTWARE MAY CONTAIN FAULTS THAT WILL AT
|
has been made to avoid it, THIS SOFTWARE MAY CONTAIN FAULTS THAT WILL AT
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TIMES RESULT IN INCORRECT BEHAVIOR. USE OF THIS SOFTWARE IS RESTRICTED TO
|
TIMES RESULT IN INCORRECT BEHAVIOR. USE OF THIS SOFTWARE IS RESTRICTED TO
|
||||||
PERSONS AND ORGANIZATIONS WHO CAN AND WILL TAKE FULL RESPONSIBILITY FOR ANY
|
PERSONS AND ORGANIZATIONS WHO CAN AND WILL TAKE FULL RESPONSIBILITY FOR ANY
|
||||||
AND ALL LOSSES, COSTS, OR OTHER PROBLEMS ARISING FROM ITS USE.
|
AND ALL LOSSES, COSTS, OR OTHER PROBLEMS ARISING FROM ITS USE.
|
||||||
|
|
||||||
Derivative works are acceptable, even for commercial purposes, so long as
|
Derivative works are acceptable, even for commercial purposes, so long as
|
||||||
(1) they include prominent notice that the work is derivative, and (2) they
|
(1) they include prominent notice that the work is derivative, and (2) they
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include prominent notice akin to these four paragraphs for those parts of
|
include prominent notice akin to these four paragraphs for those parts of
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this code that are retained.
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this code that are retained.
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===============================================================================
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===============================================================================
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*/
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*/
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/*
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/*
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-------------------------------------------------------------------------------
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-------------------------------------------------------------------------------
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Underflow tininess-detection mode, statically initialized to default value.
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Underflow tininess-detection mode, statically initialized to default value.
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(The declaration in `softfloat.h' must match the `int8' type here.)
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(The declaration in `softfloat.h' must match the `int8' type here.)
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-------------------------------------------------------------------------------
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-------------------------------------------------------------------------------
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*/
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*/
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int8 float_detect_tininess = float_tininess_after_rounding;
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int8 float_detect_tininess = float_tininess_after_rounding;
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/*
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/*
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-------------------------------------------------------------------------------
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-------------------------------------------------------------------------------
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Raises the exceptions specified by `flags'. Floating-point traps can be
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Raises the exceptions specified by `flags'. Floating-point traps can be
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defined here if desired. It is currently not possible for such a trap to
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defined here if desired. It is currently not possible for such a trap to
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substitute a result value. If traps are not implemented, this routine
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substitute a result value. If traps are not implemented, this routine
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should be simply `float_exception_flags |= flags;'.
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should be simply `float_exception_flags |= flags;'.
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-------------------------------------------------------------------------------
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-------------------------------------------------------------------------------
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*/
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*/
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void float_raise( int8 flags )
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void float_raise( int8 flags )
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{
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{
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float_exception_flags |= flags;
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float_exception_flags |= flags;
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}
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}
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/*
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/*
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-------------------------------------------------------------------------------
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-------------------------------------------------------------------------------
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Internal canonical NaN format.
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Internal canonical NaN format.
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-------------------------------------------------------------------------------
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-------------------------------------------------------------------------------
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*/
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*/
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typedef struct {
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typedef struct {
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flag sign;
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flag sign;
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bits64 high, low;
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bits64 high, low;
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} commonNaNT;
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} commonNaNT;
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/*
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/*
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-------------------------------------------------------------------------------
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-------------------------------------------------------------------------------
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The pattern for a default generated single-precision NaN.
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The pattern for a default generated single-precision NaN.
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-------------------------------------------------------------------------------
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-------------------------------------------------------------------------------
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*/
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*/
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#define float32_default_nan 0xFFFFFFFF
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#define float32_default_nan 0xFFFFFFFF
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/*
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/*
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-------------------------------------------------------------------------------
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-------------------------------------------------------------------------------
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Returns 1 if the single-precision floating-point value `a' is a NaN;
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Returns 1 if the single-precision floating-point value `a' is a NaN;
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otherwise returns 0.
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otherwise returns 0.
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-------------------------------------------------------------------------------
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-------------------------------------------------------------------------------
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*/
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*/
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flag float32_is_nan( float32 a )
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flag float32_is_nan( float32 a )
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{
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{
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return ( 0xFF000000 < (bits32) ( a<<1 ) );
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return ( 0xFF000000 < (bits32) ( a<<1 ) );
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}
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}
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/*
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/*
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-------------------------------------------------------------------------------
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-------------------------------------------------------------------------------
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Returns 1 if the single-precision floating-point value `a' is a signaling
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Returns 1 if the single-precision floating-point value `a' is a signaling
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NaN; otherwise returns 0.
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NaN; otherwise returns 0.
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-------------------------------------------------------------------------------
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-------------------------------------------------------------------------------
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*/
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*/
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flag float32_is_signaling_nan( float32 a )
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flag float32_is_signaling_nan( float32 a )
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{
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{
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return ( ( ( a>>22 ) & 0x1FF ) == 0x1FE ) && ( a & 0x003FFFFF );
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return ( ( ( a>>22 ) & 0x1FF ) == 0x1FE ) && ( a & 0x003FFFFF );
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}
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}
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/*
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/*
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-------------------------------------------------------------------------------
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-------------------------------------------------------------------------------
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Returns the result of converting the single-precision floating-point NaN
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Returns the result of converting the single-precision floating-point NaN
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`a' to the canonical NaN format. If `a' is a signaling NaN, the invalid
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`a' to the canonical NaN format. If `a' is a signaling NaN, the invalid
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exception is raised.
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exception is raised.
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-------------------------------------------------------------------------------
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-------------------------------------------------------------------------------
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*/
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*/
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static commonNaNT float32ToCommonNaN( float32 a )
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static commonNaNT float32ToCommonNaN( float32 a )
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{
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{
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commonNaNT z;
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commonNaNT z;
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if ( float32_is_signaling_nan( a ) ) float_raise( float_flag_invalid );
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if ( float32_is_signaling_nan( a ) ) float_raise( float_flag_invalid );
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z.sign = a>>31;
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z.sign = a>>31;
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z.low = 0;
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z.low = 0;
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z.high = ( (bits64) a )<<41;
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z.high = ( (bits64) a )<<41;
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return z;
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return z;
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}
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}
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/*
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/*
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-------------------------------------------------------------------------------
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-------------------------------------------------------------------------------
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Returns the result of converting the canonical NaN `a' to the single-
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Returns the result of converting the canonical NaN `a' to the single-
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precision floating-point format.
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precision floating-point format.
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-------------------------------------------------------------------------------
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-------------------------------------------------------------------------------
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*/
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*/
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static float32 commonNaNToFloat32( commonNaNT a )
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static float32 commonNaNToFloat32( commonNaNT a )
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{
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{
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return ( ( (bits32) a.sign )<<31 ) | 0x7FC00000 | ( a.high>>41 );
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return ( ( (bits32) a.sign )<<31 ) | 0x7FC00000 | ( a.high>>41 );
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}
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}
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/*
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/*
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-------------------------------------------------------------------------------
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-------------------------------------------------------------------------------
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Takes two single-precision floating-point values `a' and `b', one of which
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Takes two single-precision floating-point values `a' and `b', one of which
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is a NaN, and returns the appropriate NaN result. If either `a' or `b' is a
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is a NaN, and returns the appropriate NaN result. If either `a' or `b' is a
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signaling NaN, the invalid exception is raised.
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signaling NaN, the invalid exception is raised.
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-------------------------------------------------------------------------------
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-------------------------------------------------------------------------------
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*/
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*/
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static float32 propagateFloat32NaN( float32 a, float32 b )
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static float32 propagateFloat32NaN( float32 a, float32 b )
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{
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{
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flag aIsNaN, aIsSignalingNaN, bIsNaN, bIsSignalingNaN;
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flag aIsNaN, aIsSignalingNaN, bIsNaN, bIsSignalingNaN;
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aIsNaN = float32_is_nan( a );
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aIsNaN = float32_is_nan( a );
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aIsSignalingNaN = float32_is_signaling_nan( a );
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aIsSignalingNaN = float32_is_signaling_nan( a );
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bIsNaN = float32_is_nan( b );
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bIsNaN = float32_is_nan( b );
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bIsSignalingNaN = float32_is_signaling_nan( b );
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bIsSignalingNaN = float32_is_signaling_nan( b );
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a |= 0x00400000;
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a |= 0x00400000;
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b |= 0x00400000;
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b |= 0x00400000;
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if ( aIsSignalingNaN | bIsSignalingNaN ) float_raise( float_flag_invalid );
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if ( aIsSignalingNaN | bIsSignalingNaN ) float_raise( float_flag_invalid );
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if ( aIsNaN ) {
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if ( aIsNaN ) {
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return ( aIsSignalingNaN & bIsNaN ) ? b : a;
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return ( aIsSignalingNaN & bIsNaN ) ? b : a;
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}
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}
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else {
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else {
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return b;
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return b;
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}
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}
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}
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}
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/*
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/*
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-------------------------------------------------------------------------------
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-------------------------------------------------------------------------------
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The pattern for a default generated double-precision NaN.
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The pattern for a default generated double-precision NaN.
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-------------------------------------------------------------------------------
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-------------------------------------------------------------------------------
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*/
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*/
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#define float64_default_nan LIT64( 0xFFFFFFFFFFFFFFFF )
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#define float64_default_nan LIT64( 0xFFFFFFFFFFFFFFFF )
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/*
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/*
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-------------------------------------------------------------------------------
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-------------------------------------------------------------------------------
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Returns 1 if the double-precision floating-point value `a' is a NaN;
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Returns 1 if the double-precision floating-point value `a' is a NaN;
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otherwise returns 0.
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otherwise returns 0.
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-------------------------------------------------------------------------------
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-------------------------------------------------------------------------------
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*/
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*/
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flag float64_is_nan( float64 a )
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flag float64_is_nan( float64 a )
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{
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{
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return ( LIT64( 0xFFE0000000000000 ) < (bits64) ( a<<1 ) );
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return ( LIT64( 0xFFE0000000000000 ) < (bits64) ( a<<1 ) );
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}
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}
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/*
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/*
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-------------------------------------------------------------------------------
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-------------------------------------------------------------------------------
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Returns 1 if the double-precision floating-point value `a' is a signaling
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Returns 1 if the double-precision floating-point value `a' is a signaling
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NaN; otherwise returns 0.
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NaN; otherwise returns 0.
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-------------------------------------------------------------------------------
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-------------------------------------------------------------------------------
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*/
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*/
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flag float64_is_signaling_nan( float64 a )
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flag float64_is_signaling_nan( float64 a )
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{
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{
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return
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return
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( ( ( a>>51 ) & 0xFFF ) == 0xFFE )
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( ( ( a>>51 ) & 0xFFF ) == 0xFFE )
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&& ( a & LIT64( 0x0007FFFFFFFFFFFF ) );
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&& ( a & LIT64( 0x0007FFFFFFFFFFFF ) );
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}
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}
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|
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/*
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/*
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-------------------------------------------------------------------------------
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-------------------------------------------------------------------------------
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Returns the result of converting the double-precision floating-point NaN
|
Returns the result of converting the double-precision floating-point NaN
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`a' to the canonical NaN format. If `a' is a signaling NaN, the invalid
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`a' to the canonical NaN format. If `a' is a signaling NaN, the invalid
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exception is raised.
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exception is raised.
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-------------------------------------------------------------------------------
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-------------------------------------------------------------------------------
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*/
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*/
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static commonNaNT float64ToCommonNaN( float64 a )
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static commonNaNT float64ToCommonNaN( float64 a )
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{
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{
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commonNaNT z;
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commonNaNT z;
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|
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if ( float64_is_signaling_nan( a ) ) float_raise( float_flag_invalid );
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if ( float64_is_signaling_nan( a ) ) float_raise( float_flag_invalid );
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z.sign = a>>63;
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z.sign = a>>63;
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z.low = 0;
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z.low = 0;
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z.high = a<<12;
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z.high = a<<12;
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return z;
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return z;
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|
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}
|
}
|
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|
|
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/*
|
/*
|
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-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
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Returns the result of converting the canonical NaN `a' to the double-
|
Returns the result of converting the canonical NaN `a' to the double-
|
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precision floating-point format.
|
precision floating-point format.
|
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-------------------------------------------------------------------------------
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-------------------------------------------------------------------------------
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*/
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*/
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static float64 commonNaNToFloat64( commonNaNT a )
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static float64 commonNaNToFloat64( commonNaNT a )
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{
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{
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|
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return
|
return
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( ( (bits64) a.sign )<<63 )
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( ( (bits64) a.sign )<<63 )
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| LIT64( 0x7FF8000000000000 )
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| LIT64( 0x7FF8000000000000 )
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| ( a.high>>12 );
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| ( a.high>>12 );
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|
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}
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}
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|
|
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/*
|
/*
|
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-------------------------------------------------------------------------------
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-------------------------------------------------------------------------------
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Takes two double-precision floating-point values `a' and `b', one of which
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Takes two double-precision floating-point values `a' and `b', one of which
|
||||||
is a NaN, and returns the appropriate NaN result. If either `a' or `b' is a
|
is a NaN, and returns the appropriate NaN result. If either `a' or `b' is a
|
||||||
signaling NaN, the invalid exception is raised.
|
signaling NaN, the invalid exception is raised.
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
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*/
|
*/
|
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static float64 propagateFloat64NaN( float64 a, float64 b )
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static float64 propagateFloat64NaN( float64 a, float64 b )
|
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{
|
{
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flag aIsNaN, aIsSignalingNaN, bIsNaN, bIsSignalingNaN;
|
flag aIsNaN, aIsSignalingNaN, bIsNaN, bIsSignalingNaN;
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|
|
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aIsNaN = float64_is_nan( a );
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aIsNaN = float64_is_nan( a );
|
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aIsSignalingNaN = float64_is_signaling_nan( a );
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aIsSignalingNaN = float64_is_signaling_nan( a );
|
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bIsNaN = float64_is_nan( b );
|
bIsNaN = float64_is_nan( b );
|
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bIsSignalingNaN = float64_is_signaling_nan( b );
|
bIsSignalingNaN = float64_is_signaling_nan( b );
|
||||||
a |= LIT64( 0x0008000000000000 );
|
a |= LIT64( 0x0008000000000000 );
|
||||||
b |= LIT64( 0x0008000000000000 );
|
b |= LIT64( 0x0008000000000000 );
|
||||||
if ( aIsSignalingNaN | bIsSignalingNaN ) float_raise( float_flag_invalid );
|
if ( aIsSignalingNaN | bIsSignalingNaN ) float_raise( float_flag_invalid );
|
||||||
if ( aIsNaN ) {
|
if ( aIsNaN ) {
|
||||||
return ( aIsSignalingNaN & bIsNaN ) ? b : a;
|
return ( aIsSignalingNaN & bIsNaN ) ? b : a;
|
||||||
}
|
}
|
||||||
else {
|
else {
|
||||||
return b;
|
return b;
|
||||||
}
|
}
|
||||||
|
|
||||||
}
|
}
|
||||||
|
|
||||||
#ifdef FLOATX80
|
#ifdef FLOATX80
|
||||||
|
|
||||||
/*
|
/*
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
The pattern for a default generated extended double-precision NaN. The
|
The pattern for a default generated extended double-precision NaN. The
|
||||||
`high' and `low' values hold the most- and least-significant bits,
|
`high' and `low' values hold the most- and least-significant bits,
|
||||||
respectively.
|
respectively.
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
*/
|
*/
|
||||||
#define floatx80_default_nan_high 0xFFFF
|
#define floatx80_default_nan_high 0xFFFF
|
||||||
#define floatx80_default_nan_low LIT64( 0xFFFFFFFFFFFFFFFF )
|
#define floatx80_default_nan_low LIT64( 0xFFFFFFFFFFFFFFFF )
|
||||||
|
|
||||||
/*
|
/*
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
Returns 1 if the extended double-precision floating-point value `a' is a
|
Returns 1 if the extended double-precision floating-point value `a' is a
|
||||||
NaN; otherwise returns 0.
|
NaN; otherwise returns 0.
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
*/
|
*/
|
||||||
flag floatx80_is_nan( floatx80 a )
|
flag floatx80_is_nan( floatx80 a )
|
||||||
{
|
{
|
||||||
|
|
||||||
return ( ( a.high & 0x7FFF ) == 0x7FFF ) && (bits64) ( a.low<<1 );
|
return ( ( a.high & 0x7FFF ) == 0x7FFF ) && (bits64) ( a.low<<1 );
|
||||||
|
|
||||||
}
|
}
|
||||||
|
|
||||||
/*
|
/*
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
Returns 1 if the extended double-precision floating-point value `a' is a
|
Returns 1 if the extended double-precision floating-point value `a' is a
|
||||||
signaling NaN; otherwise returns 0.
|
signaling NaN; otherwise returns 0.
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
*/
|
*/
|
||||||
flag floatx80_is_signaling_nan( floatx80 a )
|
flag floatx80_is_signaling_nan( floatx80 a )
|
||||||
{
|
{
|
||||||
bits64 aLow;
|
bits64 aLow;
|
||||||
|
|
||||||
aLow = a.low & ~ LIT64( 0x4000000000000000 );
|
aLow = a.low & ~ LIT64( 0x4000000000000000 );
|
||||||
return
|
return
|
||||||
( ( a.high & 0x7FFF ) == 0x7FFF )
|
( ( a.high & 0x7FFF ) == 0x7FFF )
|
||||||
&& (bits64) ( aLow<<1 )
|
&& (bits64) ( aLow<<1 )
|
||||||
&& ( a.low == aLow );
|
&& ( a.low == aLow );
|
||||||
|
|
||||||
}
|
}
|
||||||
|
|
||||||
/*
|
/*
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
Returns the result of converting the extended double-precision floating-
|
Returns the result of converting the extended double-precision floating-
|
||||||
point NaN `a' to the canonical NaN format. If `a' is a signaling NaN, the
|
point NaN `a' to the canonical NaN format. If `a' is a signaling NaN, the
|
||||||
invalid exception is raised.
|
invalid exception is raised.
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
*/
|
*/
|
||||||
static commonNaNT floatx80ToCommonNaN( floatx80 a )
|
static commonNaNT floatx80ToCommonNaN( floatx80 a )
|
||||||
{
|
{
|
||||||
commonNaNT z;
|
commonNaNT z;
|
||||||
|
|
||||||
if ( floatx80_is_signaling_nan( a ) ) float_raise( float_flag_invalid );
|
if ( floatx80_is_signaling_nan( a ) ) float_raise( float_flag_invalid );
|
||||||
z.sign = a.high>>15;
|
z.sign = a.high>>15;
|
||||||
z.low = 0;
|
z.low = 0;
|
||||||
z.high = a.low<<1;
|
z.high = a.low<<1;
|
||||||
return z;
|
return z;
|
||||||
|
|
||||||
}
|
}
|
||||||
|
|
||||||
/*
|
/*
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
Returns the result of converting the canonical NaN `a' to the extended
|
Returns the result of converting the canonical NaN `a' to the extended
|
||||||
double-precision floating-point format.
|
double-precision floating-point format.
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
*/
|
*/
|
||||||
static floatx80 commonNaNToFloatx80( commonNaNT a )
|
static floatx80 commonNaNToFloatx80( commonNaNT a )
|
||||||
{
|
{
|
||||||
floatx80 z;
|
floatx80 z;
|
||||||
|
|
||||||
z.low = LIT64( 0xC000000000000000 ) | ( a.high>>1 );
|
z.low = LIT64( 0xC000000000000000 ) | ( a.high>>1 );
|
||||||
z.high = ( ( (bits16) a.sign )<<15 ) | 0x7FFF;
|
z.high = ( ( (bits16) a.sign )<<15 ) | 0x7FFF;
|
||||||
return z;
|
return z;
|
||||||
|
|
||||||
}
|
}
|
||||||
|
|
||||||
/*
|
/*
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
Takes two extended double-precision floating-point values `a' and `b', one
|
Takes two extended double-precision floating-point values `a' and `b', one
|
||||||
of which is a NaN, and returns the appropriate NaN result. If either `a' or
|
of which is a NaN, and returns the appropriate NaN result. If either `a' or
|
||||||
`b' is a signaling NaN, the invalid exception is raised.
|
`b' is a signaling NaN, the invalid exception is raised.
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
*/
|
*/
|
||||||
static floatx80 propagateFloatx80NaN( floatx80 a, floatx80 b )
|
static floatx80 propagateFloatx80NaN( floatx80 a, floatx80 b )
|
||||||
{
|
{
|
||||||
flag aIsNaN, aIsSignalingNaN, bIsNaN, bIsSignalingNaN;
|
flag aIsNaN, aIsSignalingNaN, bIsNaN, bIsSignalingNaN;
|
||||||
|
|
||||||
aIsNaN = floatx80_is_nan( a );
|
aIsNaN = floatx80_is_nan( a );
|
||||||
aIsSignalingNaN = floatx80_is_signaling_nan( a );
|
aIsSignalingNaN = floatx80_is_signaling_nan( a );
|
||||||
bIsNaN = floatx80_is_nan( b );
|
bIsNaN = floatx80_is_nan( b );
|
||||||
bIsSignalingNaN = floatx80_is_signaling_nan( b );
|
bIsSignalingNaN = floatx80_is_signaling_nan( b );
|
||||||
a.low |= LIT64( 0xC000000000000000 );
|
a.low |= LIT64( 0xC000000000000000 );
|
||||||
b.low |= LIT64( 0xC000000000000000 );
|
b.low |= LIT64( 0xC000000000000000 );
|
||||||
if ( aIsSignalingNaN | bIsSignalingNaN ) float_raise( float_flag_invalid );
|
if ( aIsSignalingNaN | bIsSignalingNaN ) float_raise( float_flag_invalid );
|
||||||
if ( aIsNaN ) {
|
if ( aIsNaN ) {
|
||||||
return ( aIsSignalingNaN & bIsNaN ) ? b : a;
|
return ( aIsSignalingNaN & bIsNaN ) ? b : a;
|
||||||
}
|
}
|
||||||
else {
|
else {
|
||||||
return b;
|
return b;
|
||||||
}
|
}
|
||||||
|
|
||||||
}
|
}
|
||||||
|
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
#ifdef FLOAT128
|
#ifdef FLOAT128
|
||||||
|
|
||||||
/*
|
/*
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
The pattern for a default generated quadruple-precision NaN. The `high' and
|
The pattern for a default generated quadruple-precision NaN. The `high' and
|
||||||
`low' values hold the most- and least-significant bits, respectively.
|
`low' values hold the most- and least-significant bits, respectively.
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
*/
|
*/
|
||||||
#define float128_default_nan_high LIT64( 0xFFFFFFFFFFFFFFFF )
|
#define float128_default_nan_high LIT64( 0xFFFFFFFFFFFFFFFF )
|
||||||
#define float128_default_nan_low LIT64( 0xFFFFFFFFFFFFFFFF )
|
#define float128_default_nan_low LIT64( 0xFFFFFFFFFFFFFFFF )
|
||||||
|
|
||||||
/*
|
/*
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
Returns 1 if the quadruple-precision floating-point value `a' is a NaN;
|
Returns 1 if the quadruple-precision floating-point value `a' is a NaN;
|
||||||
otherwise returns 0.
|
otherwise returns 0.
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
*/
|
*/
|
||||||
flag float128_is_nan( float128 a )
|
flag float128_is_nan( float128 a )
|
||||||
{
|
{
|
||||||
|
|
||||||
return
|
return
|
||||||
( LIT64( 0xFFFE000000000000 ) <= (bits64) ( a.high<<1 ) )
|
( LIT64( 0xFFFE000000000000 ) <= (bits64) ( a.high<<1 ) )
|
||||||
&& ( a.low || ( a.high & LIT64( 0x0000FFFFFFFFFFFF ) ) );
|
&& ( a.low || ( a.high & LIT64( 0x0000FFFFFFFFFFFF ) ) );
|
||||||
|
|
||||||
}
|
}
|
||||||
|
|
||||||
/*
|
/*
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
Returns 1 if the quadruple-precision floating-point value `a' is a
|
Returns 1 if the quadruple-precision floating-point value `a' is a
|
||||||
signaling NaN; otherwise returns 0.
|
signaling NaN; otherwise returns 0.
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
*/
|
*/
|
||||||
flag float128_is_signaling_nan( float128 a )
|
flag float128_is_signaling_nan( float128 a )
|
||||||
{
|
{
|
||||||
|
|
||||||
return
|
return
|
||||||
( ( ( a.high>>47 ) & 0xFFFF ) == 0xFFFE )
|
( ( ( a.high>>47 ) & 0xFFFF ) == 0xFFFE )
|
||||||
&& ( a.low || ( a.high & LIT64( 0x00007FFFFFFFFFFF ) ) );
|
&& ( a.low || ( a.high & LIT64( 0x00007FFFFFFFFFFF ) ) );
|
||||||
|
|
||||||
}
|
}
|
||||||
|
|
||||||
/*
|
/*
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
Returns the result of converting the quadruple-precision floating-point NaN
|
Returns the result of converting the quadruple-precision floating-point NaN
|
||||||
`a' to the canonical NaN format. If `a' is a signaling NaN, the invalid
|
`a' to the canonical NaN format. If `a' is a signaling NaN, the invalid
|
||||||
exception is raised.
|
exception is raised.
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
*/
|
*/
|
||||||
static commonNaNT float128ToCommonNaN( float128 a )
|
static commonNaNT float128ToCommonNaN( float128 a )
|
||||||
{
|
{
|
||||||
commonNaNT z;
|
commonNaNT z;
|
||||||
|
|
||||||
if ( float128_is_signaling_nan( a ) ) float_raise( float_flag_invalid );
|
if ( float128_is_signaling_nan( a ) ) float_raise( float_flag_invalid );
|
||||||
z.sign = a.high>>63;
|
z.sign = a.high>>63;
|
||||||
shortShift128Left( a.high, a.low, 16, &z.high, &z.low );
|
shortShift128Left( a.high, a.low, 16, &z.high, &z.low );
|
||||||
return z;
|
return z;
|
||||||
|
|
||||||
}
|
}
|
||||||
|
|
||||||
/*
|
/*
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
Returns the result of converting the canonical NaN `a' to the quadruple-
|
Returns the result of converting the canonical NaN `a' to the quadruple-
|
||||||
precision floating-point format.
|
precision floating-point format.
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
*/
|
*/
|
||||||
static float128 commonNaNToFloat128( commonNaNT a )
|
static float128 commonNaNToFloat128( commonNaNT a )
|
||||||
{
|
{
|
||||||
float128 z;
|
float128 z;
|
||||||
|
|
||||||
shift128Right( a.high, a.low, 16, &z.high, &z.low );
|
shift128Right( a.high, a.low, 16, &z.high, &z.low );
|
||||||
z.high |= ( ( (bits64) a.sign )<<63 ) | LIT64( 0x7FFF800000000000 );
|
z.high |= ( ( (bits64) a.sign )<<63 ) | LIT64( 0x7FFF800000000000 );
|
||||||
return z;
|
return z;
|
||||||
|
|
||||||
}
|
}
|
||||||
|
|
||||||
/*
|
/*
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
Takes two quadruple-precision floating-point values `a' and `b', one of
|
Takes two quadruple-precision floating-point values `a' and `b', one of
|
||||||
which is a NaN, and returns the appropriate NaN result. If either `a' or
|
which is a NaN, and returns the appropriate NaN result. If either `a' or
|
||||||
`b' is a signaling NaN, the invalid exception is raised.
|
`b' is a signaling NaN, the invalid exception is raised.
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
*/
|
*/
|
||||||
static float128 propagateFloat128NaN( float128 a, float128 b )
|
static float128 propagateFloat128NaN( float128 a, float128 b )
|
||||||
{
|
{
|
||||||
flag aIsNaN, aIsSignalingNaN, bIsNaN, bIsSignalingNaN;
|
flag aIsNaN, aIsSignalingNaN, bIsNaN, bIsSignalingNaN;
|
||||||
|
|
||||||
aIsNaN = float128_is_nan( a );
|
aIsNaN = float128_is_nan( a );
|
||||||
aIsSignalingNaN = float128_is_signaling_nan( a );
|
aIsSignalingNaN = float128_is_signaling_nan( a );
|
||||||
bIsNaN = float128_is_nan( b );
|
bIsNaN = float128_is_nan( b );
|
||||||
bIsSignalingNaN = float128_is_signaling_nan( b );
|
bIsSignalingNaN = float128_is_signaling_nan( b );
|
||||||
a.high |= LIT64( 0x0000800000000000 );
|
a.high |= LIT64( 0x0000800000000000 );
|
||||||
b.high |= LIT64( 0x0000800000000000 );
|
b.high |= LIT64( 0x0000800000000000 );
|
||||||
if ( aIsSignalingNaN | bIsSignalingNaN ) float_raise( float_flag_invalid );
|
if ( aIsSignalingNaN | bIsSignalingNaN ) float_raise( float_flag_invalid );
|
||||||
if ( aIsNaN ) {
|
if ( aIsNaN ) {
|
||||||
return ( aIsSignalingNaN & bIsNaN ) ? b : a;
|
return ( aIsSignalingNaN & bIsNaN ) ? b : a;
|
||||||
}
|
}
|
||||||
else {
|
else {
|
||||||
return b;
|
return b;
|
||||||
}
|
}
|
||||||
|
|
||||||
}
|
}
|
||||||
|
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
|||||||
@ -1,291 +1,291 @@
|
|||||||
/* $FreeBSD$ */
|
/* $FreeBSD$ */
|
||||||
|
|
||||||
/*
|
/*
|
||||||
===============================================================================
|
===============================================================================
|
||||||
|
|
||||||
This C header file is part of the SoftFloat IEC/IEEE Floating-point
|
This C header file is part of the SoftFloat IEC/IEEE Floating-point
|
||||||
Arithmetic Package, Release 2a.
|
Arithmetic Package, Release 2a.
|
||||||
|
|
||||||
Written by John R. Hauser. This work was made possible in part by the
|
Written by John R. Hauser. This work was made possible in part by the
|
||||||
International Computer Science Institute, located at Suite 600, 1947 Center
|
International Computer Science Institute, located at Suite 600, 1947 Center
|
||||||
Street, Berkeley, California 94704. Funding was partially provided by the
|
Street, Berkeley, California 94704. Funding was partially provided by the
|
||||||
National Science Foundation under grant MIP-9311980. The original version
|
National Science Foundation under grant MIP-9311980. The original version
|
||||||
of this code was written as part of a project to build a fixed-point vector
|
of this code was written as part of a project to build a fixed-point vector
|
||||||
processor in collaboration with the University of California at Berkeley,
|
processor in collaboration with the University of California at Berkeley,
|
||||||
overseen by Profs. Nelson Morgan and John Wawrzynek. More information
|
overseen by Profs. Nelson Morgan and John Wawrzynek. More information
|
||||||
is available through the Web page `http://HTTP.CS.Berkeley.EDU/~jhauser/
|
is available through the Web page `http://HTTP.CS.Berkeley.EDU/~jhauser/
|
||||||
arithmetic/SoftFloat.html'.
|
arithmetic/SoftFloat.html'.
|
||||||
|
|
||||||
THIS SOFTWARE IS DISTRIBUTED AS IS, FOR FREE. Although reasonable effort
|
THIS SOFTWARE IS DISTRIBUTED AS IS, FOR FREE. Although reasonable effort
|
||||||
has been made to avoid it, THIS SOFTWARE MAY CONTAIN FAULTS THAT WILL AT
|
has been made to avoid it, THIS SOFTWARE MAY CONTAIN FAULTS THAT WILL AT
|
||||||
TIMES RESULT IN INCORRECT BEHAVIOR. USE OF THIS SOFTWARE IS RESTRICTED TO
|
TIMES RESULT IN INCORRECT BEHAVIOR. USE OF THIS SOFTWARE IS RESTRICTED TO
|
||||||
PERSONS AND ORGANIZATIONS WHO CAN AND WILL TAKE FULL RESPONSIBILITY FOR ANY
|
PERSONS AND ORGANIZATIONS WHO CAN AND WILL TAKE FULL RESPONSIBILITY FOR ANY
|
||||||
AND ALL LOSSES, COSTS, OR OTHER PROBLEMS ARISING FROM ITS USE.
|
AND ALL LOSSES, COSTS, OR OTHER PROBLEMS ARISING FROM ITS USE.
|
||||||
|
|
||||||
Derivative works are acceptable, even for commercial purposes, so long as
|
Derivative works are acceptable, even for commercial purposes, so long as
|
||||||
(1) they include prominent notice that the work is derivative, and (2) they
|
(1) they include prominent notice that the work is derivative, and (2) they
|
||||||
include prominent notice akin to these four paragraphs for those parts of
|
include prominent notice akin to these four paragraphs for those parts of
|
||||||
this code that are retained.
|
this code that are retained.
|
||||||
|
|
||||||
===============================================================================
|
===============================================================================
|
||||||
*/
|
*/
|
||||||
|
|
||||||
/*
|
/*
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
The macro `FLOATX80' must be defined to enable the extended double-precision
|
The macro `FLOATX80' must be defined to enable the extended double-precision
|
||||||
floating-point format `floatx80'. If this macro is not defined, the
|
floating-point format `floatx80'. If this macro is not defined, the
|
||||||
`floatx80' type will not be defined, and none of the functions that either
|
`floatx80' type will not be defined, and none of the functions that either
|
||||||
input or output the `floatx80' type will be defined. The same applies to
|
input or output the `floatx80' type will be defined. The same applies to
|
||||||
the `FLOAT128' macro and the quadruple-precision format `float128'.
|
the `FLOAT128' macro and the quadruple-precision format `float128'.
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
*/
|
*/
|
||||||
#define FLOATX80
|
#define FLOATX80
|
||||||
#define FLOAT128
|
#define FLOAT128
|
||||||
|
|
||||||
/*
|
/*
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
Software IEC/IEEE floating-point types.
|
Software IEC/IEEE floating-point types.
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
*/
|
*/
|
||||||
typedef !!!bits32 float32;
|
typedef !!!bits32 float32;
|
||||||
typedef !!!bits64 float64;
|
typedef !!!bits64 float64;
|
||||||
#ifdef FLOATX80
|
#ifdef FLOATX80
|
||||||
typedef struct {
|
typedef struct {
|
||||||
!!!bits16 high;
|
!!!bits16 high;
|
||||||
!!!bits64 low;
|
!!!bits64 low;
|
||||||
} floatx80;
|
} floatx80;
|
||||||
#endif
|
#endif
|
||||||
#ifdef FLOAT128
|
#ifdef FLOAT128
|
||||||
typedef struct {
|
typedef struct {
|
||||||
!!!bits64 high, low;
|
!!!bits64 high, low;
|
||||||
} float128;
|
} float128;
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
/*
|
/*
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
Software IEC/IEEE floating-point underflow tininess-detection mode.
|
Software IEC/IEEE floating-point underflow tininess-detection mode.
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
*/
|
*/
|
||||||
extern !!!int8 float_detect_tininess;
|
extern !!!int8 float_detect_tininess;
|
||||||
enum {
|
enum {
|
||||||
float_tininess_after_rounding = 0,
|
float_tininess_after_rounding = 0,
|
||||||
float_tininess_before_rounding = 1
|
float_tininess_before_rounding = 1
|
||||||
};
|
};
|
||||||
|
|
||||||
/*
|
/*
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
Software IEC/IEEE floating-point rounding mode.
|
Software IEC/IEEE floating-point rounding mode.
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
*/
|
*/
|
||||||
extern !!!int8 float_rounding_mode;
|
extern !!!int8 float_rounding_mode;
|
||||||
enum {
|
enum {
|
||||||
float_round_nearest_even = 0,
|
float_round_nearest_even = 0,
|
||||||
float_round_to_zero = 1,
|
float_round_to_zero = 1,
|
||||||
float_round_down = 2,
|
float_round_down = 2,
|
||||||
float_round_up = 3
|
float_round_up = 3
|
||||||
};
|
};
|
||||||
|
|
||||||
/*
|
/*
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
Software IEC/IEEE floating-point exception flags.
|
Software IEC/IEEE floating-point exception flags.
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
*/
|
*/
|
||||||
extern !!!int8 float_exception_flags;
|
extern !!!int8 float_exception_flags;
|
||||||
enum {
|
enum {
|
||||||
float_flag_inexact = 1,
|
float_flag_inexact = 1,
|
||||||
float_flag_underflow = 2,
|
float_flag_underflow = 2,
|
||||||
float_flag_overflow = 4,
|
float_flag_overflow = 4,
|
||||||
float_flag_divbyzero = 8,
|
float_flag_divbyzero = 8,
|
||||||
float_flag_invalid = 16
|
float_flag_invalid = 16
|
||||||
};
|
};
|
||||||
|
|
||||||
/*
|
/*
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
Routine to raise any or all of the software IEC/IEEE floating-point
|
Routine to raise any or all of the software IEC/IEEE floating-point
|
||||||
exception flags.
|
exception flags.
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
*/
|
*/
|
||||||
void float_raise( !!!int8 );
|
void float_raise( !!!int8 );
|
||||||
|
|
||||||
/*
|
/*
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
Software IEC/IEEE integer-to-floating-point conversion routines.
|
Software IEC/IEEE integer-to-floating-point conversion routines.
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
*/
|
*/
|
||||||
float32 int32_to_float32( !!!int32 );
|
float32 int32_to_float32( !!!int32 );
|
||||||
float64 int32_to_float64( !!!int32 );
|
float64 int32_to_float64( !!!int32 );
|
||||||
#ifdef FLOATX80
|
#ifdef FLOATX80
|
||||||
floatx80 int32_to_floatx80( !!!int32 );
|
floatx80 int32_to_floatx80( !!!int32 );
|
||||||
#endif
|
#endif
|
||||||
#ifdef FLOAT128
|
#ifdef FLOAT128
|
||||||
float128 int32_to_float128( !!!int32 );
|
float128 int32_to_float128( !!!int32 );
|
||||||
#endif
|
#endif
|
||||||
float32 int64_to_float32( !!!int64 );
|
float32 int64_to_float32( !!!int64 );
|
||||||
float64 int64_to_float64( !!!int64 );
|
float64 int64_to_float64( !!!int64 );
|
||||||
#ifdef FLOATX80
|
#ifdef FLOATX80
|
||||||
floatx80 int64_to_floatx80( !!!int64 );
|
floatx80 int64_to_floatx80( !!!int64 );
|
||||||
#endif
|
#endif
|
||||||
#ifdef FLOAT128
|
#ifdef FLOAT128
|
||||||
float128 int64_to_float128( !!!int64 );
|
float128 int64_to_float128( !!!int64 );
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
/*
|
/*
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
Software IEC/IEEE single-precision conversion routines.
|
Software IEC/IEEE single-precision conversion routines.
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
*/
|
*/
|
||||||
!!!int32 float32_to_int32( float32 );
|
!!!int32 float32_to_int32( float32 );
|
||||||
!!!int32 float32_to_int32_round_to_zero( float32 );
|
!!!int32 float32_to_int32_round_to_zero( float32 );
|
||||||
!!!int64 float32_to_int64( float32 );
|
!!!int64 float32_to_int64( float32 );
|
||||||
!!!int64 float32_to_int64_round_to_zero( float32 );
|
!!!int64 float32_to_int64_round_to_zero( float32 );
|
||||||
float64 float32_to_float64( float32 );
|
float64 float32_to_float64( float32 );
|
||||||
#ifdef FLOATX80
|
#ifdef FLOATX80
|
||||||
floatx80 float32_to_floatx80( float32 );
|
floatx80 float32_to_floatx80( float32 );
|
||||||
#endif
|
#endif
|
||||||
#ifdef FLOAT128
|
#ifdef FLOAT128
|
||||||
float128 float32_to_float128( float32 );
|
float128 float32_to_float128( float32 );
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
/*
|
/*
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
Software IEC/IEEE single-precision operations.
|
Software IEC/IEEE single-precision operations.
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
*/
|
*/
|
||||||
float32 float32_round_to_int( float32 );
|
float32 float32_round_to_int( float32 );
|
||||||
float32 float32_add( float32, float32 );
|
float32 float32_add( float32, float32 );
|
||||||
float32 float32_sub( float32, float32 );
|
float32 float32_sub( float32, float32 );
|
||||||
float32 float32_mul( float32, float32 );
|
float32 float32_mul( float32, float32 );
|
||||||
float32 float32_div( float32, float32 );
|
float32 float32_div( float32, float32 );
|
||||||
float32 float32_rem( float32, float32 );
|
float32 float32_rem( float32, float32 );
|
||||||
float32 float32_sqrt( float32 );
|
float32 float32_sqrt( float32 );
|
||||||
!!!flag float32_eq( float32, float32 );
|
!!!flag float32_eq( float32, float32 );
|
||||||
!!!flag float32_le( float32, float32 );
|
!!!flag float32_le( float32, float32 );
|
||||||
!!!flag float32_lt( float32, float32 );
|
!!!flag float32_lt( float32, float32 );
|
||||||
!!!flag float32_eq_signaling( float32, float32 );
|
!!!flag float32_eq_signaling( float32, float32 );
|
||||||
!!!flag float32_le_quiet( float32, float32 );
|
!!!flag float32_le_quiet( float32, float32 );
|
||||||
!!!flag float32_lt_quiet( float32, float32 );
|
!!!flag float32_lt_quiet( float32, float32 );
|
||||||
!!!flag float32_is_signaling_nan( float32 );
|
!!!flag float32_is_signaling_nan( float32 );
|
||||||
|
|
||||||
/*
|
/*
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
Software IEC/IEEE double-precision conversion routines.
|
Software IEC/IEEE double-precision conversion routines.
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
*/
|
*/
|
||||||
!!!int32 float64_to_int32( float64 );
|
!!!int32 float64_to_int32( float64 );
|
||||||
!!!int32 float64_to_int32_round_to_zero( float64 );
|
!!!int32 float64_to_int32_round_to_zero( float64 );
|
||||||
!!!int64 float64_to_int64( float64 );
|
!!!int64 float64_to_int64( float64 );
|
||||||
!!!int64 float64_to_int64_round_to_zero( float64 );
|
!!!int64 float64_to_int64_round_to_zero( float64 );
|
||||||
float32 float64_to_float32( float64 );
|
float32 float64_to_float32( float64 );
|
||||||
#ifdef FLOATX80
|
#ifdef FLOATX80
|
||||||
floatx80 float64_to_floatx80( float64 );
|
floatx80 float64_to_floatx80( float64 );
|
||||||
#endif
|
#endif
|
||||||
#ifdef FLOAT128
|
#ifdef FLOAT128
|
||||||
float128 float64_to_float128( float64 );
|
float128 float64_to_float128( float64 );
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
/*
|
/*
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
Software IEC/IEEE double-precision operations.
|
Software IEC/IEEE double-precision operations.
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
*/
|
*/
|
||||||
float64 float64_round_to_int( float64 );
|
float64 float64_round_to_int( float64 );
|
||||||
float64 float64_add( float64, float64 );
|
float64 float64_add( float64, float64 );
|
||||||
float64 float64_sub( float64, float64 );
|
float64 float64_sub( float64, float64 );
|
||||||
float64 float64_mul( float64, float64 );
|
float64 float64_mul( float64, float64 );
|
||||||
float64 float64_div( float64, float64 );
|
float64 float64_div( float64, float64 );
|
||||||
float64 float64_rem( float64, float64 );
|
float64 float64_rem( float64, float64 );
|
||||||
float64 float64_sqrt( float64 );
|
float64 float64_sqrt( float64 );
|
||||||
!!!flag float64_eq( float64, float64 );
|
!!!flag float64_eq( float64, float64 );
|
||||||
!!!flag float64_le( float64, float64 );
|
!!!flag float64_le( float64, float64 );
|
||||||
!!!flag float64_lt( float64, float64 );
|
!!!flag float64_lt( float64, float64 );
|
||||||
!!!flag float64_eq_signaling( float64, float64 );
|
!!!flag float64_eq_signaling( float64, float64 );
|
||||||
!!!flag float64_le_quiet( float64, float64 );
|
!!!flag float64_le_quiet( float64, float64 );
|
||||||
!!!flag float64_lt_quiet( float64, float64 );
|
!!!flag float64_lt_quiet( float64, float64 );
|
||||||
!!!flag float64_is_signaling_nan( float64 );
|
!!!flag float64_is_signaling_nan( float64 );
|
||||||
|
|
||||||
#ifdef FLOATX80
|
#ifdef FLOATX80
|
||||||
|
|
||||||
/*
|
/*
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
Software IEC/IEEE extended double-precision conversion routines.
|
Software IEC/IEEE extended double-precision conversion routines.
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
*/
|
*/
|
||||||
!!!int32 floatx80_to_int32( floatx80 );
|
!!!int32 floatx80_to_int32( floatx80 );
|
||||||
!!!int32 floatx80_to_int32_round_to_zero( floatx80 );
|
!!!int32 floatx80_to_int32_round_to_zero( floatx80 );
|
||||||
!!!int64 floatx80_to_int64( floatx80 );
|
!!!int64 floatx80_to_int64( floatx80 );
|
||||||
!!!int64 floatx80_to_int64_round_to_zero( floatx80 );
|
!!!int64 floatx80_to_int64_round_to_zero( floatx80 );
|
||||||
float32 floatx80_to_float32( floatx80 );
|
float32 floatx80_to_float32( floatx80 );
|
||||||
float64 floatx80_to_float64( floatx80 );
|
float64 floatx80_to_float64( floatx80 );
|
||||||
#ifdef FLOAT128
|
#ifdef FLOAT128
|
||||||
float128 floatx80_to_float128( floatx80 );
|
float128 floatx80_to_float128( floatx80 );
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
/*
|
/*
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
Software IEC/IEEE extended double-precision rounding precision. Valid
|
Software IEC/IEEE extended double-precision rounding precision. Valid
|
||||||
values are 32, 64, and 80.
|
values are 32, 64, and 80.
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
*/
|
*/
|
||||||
extern !!!int8 floatx80_rounding_precision;
|
extern !!!int8 floatx80_rounding_precision;
|
||||||
|
|
||||||
/*
|
/*
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
Software IEC/IEEE extended double-precision operations.
|
Software IEC/IEEE extended double-precision operations.
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
*/
|
*/
|
||||||
floatx80 floatx80_round_to_int( floatx80 );
|
floatx80 floatx80_round_to_int( floatx80 );
|
||||||
floatx80 floatx80_add( floatx80, floatx80 );
|
floatx80 floatx80_add( floatx80, floatx80 );
|
||||||
floatx80 floatx80_sub( floatx80, floatx80 );
|
floatx80 floatx80_sub( floatx80, floatx80 );
|
||||||
floatx80 floatx80_mul( floatx80, floatx80 );
|
floatx80 floatx80_mul( floatx80, floatx80 );
|
||||||
floatx80 floatx80_div( floatx80, floatx80 );
|
floatx80 floatx80_div( floatx80, floatx80 );
|
||||||
floatx80 floatx80_rem( floatx80, floatx80 );
|
floatx80 floatx80_rem( floatx80, floatx80 );
|
||||||
floatx80 floatx80_sqrt( floatx80 );
|
floatx80 floatx80_sqrt( floatx80 );
|
||||||
!!!flag floatx80_eq( floatx80, floatx80 );
|
!!!flag floatx80_eq( floatx80, floatx80 );
|
||||||
!!!flag floatx80_le( floatx80, floatx80 );
|
!!!flag floatx80_le( floatx80, floatx80 );
|
||||||
!!!flag floatx80_lt( floatx80, floatx80 );
|
!!!flag floatx80_lt( floatx80, floatx80 );
|
||||||
!!!flag floatx80_eq_signaling( floatx80, floatx80 );
|
!!!flag floatx80_eq_signaling( floatx80, floatx80 );
|
||||||
!!!flag floatx80_le_quiet( floatx80, floatx80 );
|
!!!flag floatx80_le_quiet( floatx80, floatx80 );
|
||||||
!!!flag floatx80_lt_quiet( floatx80, floatx80 );
|
!!!flag floatx80_lt_quiet( floatx80, floatx80 );
|
||||||
!!!flag floatx80_is_signaling_nan( floatx80 );
|
!!!flag floatx80_is_signaling_nan( floatx80 );
|
||||||
|
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
#ifdef FLOAT128
|
#ifdef FLOAT128
|
||||||
|
|
||||||
/*
|
/*
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
Software IEC/IEEE quadruple-precision conversion routines.
|
Software IEC/IEEE quadruple-precision conversion routines.
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
*/
|
*/
|
||||||
!!!int32 float128_to_int32( float128 );
|
!!!int32 float128_to_int32( float128 );
|
||||||
!!!int32 float128_to_int32_round_to_zero( float128 );
|
!!!int32 float128_to_int32_round_to_zero( float128 );
|
||||||
!!!int64 float128_to_int64( float128 );
|
!!!int64 float128_to_int64( float128 );
|
||||||
!!!int64 float128_to_int64_round_to_zero( float128 );
|
!!!int64 float128_to_int64_round_to_zero( float128 );
|
||||||
float32 float128_to_float32( float128 );
|
float32 float128_to_float32( float128 );
|
||||||
float64 float128_to_float64( float128 );
|
float64 float128_to_float64( float128 );
|
||||||
#ifdef FLOATX80
|
#ifdef FLOATX80
|
||||||
floatx80 float128_to_floatx80( float128 );
|
floatx80 float128_to_floatx80( float128 );
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
/*
|
/*
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
Software IEC/IEEE quadruple-precision operations.
|
Software IEC/IEEE quadruple-precision operations.
|
||||||
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
||||||
*/
|
*/
|
||||||
float128 float128_round_to_int( float128 );
|
float128 float128_round_to_int( float128 );
|
||||||
float128 float128_add( float128, float128 );
|
float128 float128_add( float128, float128 );
|
||||||
float128 float128_sub( float128, float128 );
|
float128 float128_sub( float128, float128 );
|
||||||
float128 float128_mul( float128, float128 );
|
float128 float128_mul( float128, float128 );
|
||||||
float128 float128_div( float128, float128 );
|
float128 float128_div( float128, float128 );
|
||||||
float128 float128_rem( float128, float128 );
|
float128 float128_rem( float128, float128 );
|
||||||
float128 float128_sqrt( float128 );
|
float128 float128_sqrt( float128 );
|
||||||
!!!flag float128_eq( float128, float128 );
|
!!!flag float128_eq( float128, float128 );
|
||||||
!!!flag float128_le( float128, float128 );
|
!!!flag float128_le( float128, float128 );
|
||||||
!!!flag float128_lt( float128, float128 );
|
!!!flag float128_lt( float128, float128 );
|
||||||
!!!flag float128_eq_signaling( float128, float128 );
|
!!!flag float128_eq_signaling( float128, float128 );
|
||||||
!!!flag float128_le_quiet( float128, float128 );
|
!!!flag float128_le_quiet( float128, float128 );
|
||||||
!!!flag float128_lt_quiet( float128, float128 );
|
!!!flag float128_lt_quiet( float128, float128 );
|
||||||
!!!flag float128_is_signaling_nan( float128 );
|
!!!flag float128_is_signaling_nan( float128 );
|
||||||
|
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user