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Move the macros GET_LDBL_EXPSIGN() and SET_LDBL_EXPSIGN() into

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math_private.h, so they can be used elsewhere in the math library.
This commit is contained in:
David Schultz 2011-10-16 05:36:39 +00:00
parent eccf8b3a30
commit e62394861d
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=226412
2 changed files with 19 additions and 15 deletions
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15
lib/msun/src/e_hypotl.c
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@ -21,13 +21,6 @@ __FBSDID("$FreeBSD$");
#include "math.h"
#include "math_private.h"
#define GET_LDBL_EXPSIGN(i, v) do { \
union IEEEl2bits uv; \
\
uv.e = v; \
i = uv.xbits.expsign; \
} while (0)
#define GET_LDBL_MAN(h, l, v) do { \
union IEEEl2bits uv; \
\
@ -36,14 +29,6 @@ __FBSDID("$FreeBSD$");
l = uv.bits.manl; \
} while (0)
#define SET_LDBL_EXPSIGN(v, i) do { \
union IEEEl2bits uv; \
\
uv.e = v; \
uv.xbits.expsign = i; \
v = uv.e; \
} while (0)
#undef GET_HIGH_WORD
#define GET_HIGH_WORD(i, v) GET_LDBL_EXPSIGN(i, v)
#undef SET_HIGH_WORD

19
lib/msun/src/math_private.h
View File

@ -188,6 +188,25 @@ do { \
(d) = sf_u.value; \
} while (0)
/* Get expsign as a 16 bit int from a long double. */
#define GET_LDBL_EXPSIGN(i,d) \
do { \
union IEEEl2bits ge_u; \
ge_u.e = (d); \
(i) = ge_u.xbits.expsign; \
} while (0)
/* Set expsign of a long double from a 16 bit int. */
#define SET_LDBL_EXPSIGN(d,v) \
do { \
union IEEEl2bits se_u; \
se_u.e = (d); \
se_u.xbits.expsign = (v); \
(d) = se_u.e; \
} while (0)
#ifdef FLT_EVAL_METHOD
/*
* Attempt to get strict C99 semantics for assignment with non-C99 compilers.