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Added (protection) around negative constants, in case a program wants

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to use the negative of that constant.

#define NEG_NUM -3
#define SAFE_NEG_NUM (-3)

i = -NEG_NUM;		/* Error --3 */
j = -SAFE_NEG_NUM	/* Okay -(-3) */
This commit is contained in:
Nate Williams 1993-06-30 22:59:18 +00:00
parent 330b151312
commit beb7ebb072
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=80
2 changed files with 8 additions and 8 deletions
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8
sys/amd64/include/float.h
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@ -39,9 +39,9 @@
#define FLT_MANT_DIG 24 /* p */
#define FLT_EPSILON 1.19209290E-07F /* b**(1-p) */
#define FLT_DIG 6 /* floor((p-1)*log10(b))+(b == 10) */
#define FLT_MIN_EXP -125 /* emin */
#define FLT_MIN_EXP (-125) /* emin */
#define FLT_MIN 1.17549435E-38F /* b**(emin-1) */
#define FLT_MIN_10_EXP -37 /* ceil(log10(b**(emin-1))) */
#define FLT_MIN_10_EXP (-37) /* ceil(log10(b**(emin-1))) */
#define FLT_MAX_EXP 128 /* emax */
#define FLT_MAX 3.40282347E+38F /* (1-b**(-p))*b**emax */
#define FLT_MAX_10_EXP 38 /* floor(log10((1-b**(-p))*b**emax)) */
@ -49,9 +49,9 @@
#define DBL_MANT_DIG 53
#define DBL_EPSILON 2.2204460492503131E-16
#define DBL_DIG 15
#define DBL_MIN_EXP -1021
#define DBL_MIN_EXP (-1021)
#define DBL_MIN 2.2250738585072014E-308
#define DBL_MIN_10_EXP -307
#define DBL_MIN_10_EXP (-307)
#define DBL_MAX_EXP 1024
#define DBL_MAX 1.7976931348623157E+308
#define DBL_MAX_10_EXP 308

8
sys/i386/include/float.h
View File

@ -39,9 +39,9 @@
#define FLT_MANT_DIG 24 /* p */
#define FLT_EPSILON 1.19209290E-07F /* b**(1-p) */
#define FLT_DIG 6 /* floor((p-1)*log10(b))+(b == 10) */
#define FLT_MIN_EXP -125 /* emin */
#define FLT_MIN_EXP (-125) /* emin */
#define FLT_MIN 1.17549435E-38F /* b**(emin-1) */
#define FLT_MIN_10_EXP -37 /* ceil(log10(b**(emin-1))) */
#define FLT_MIN_10_EXP (-37) /* ceil(log10(b**(emin-1))) */
#define FLT_MAX_EXP 128 /* emax */
#define FLT_MAX 3.40282347E+38F /* (1-b**(-p))*b**emax */
#define FLT_MAX_10_EXP 38 /* floor(log10((1-b**(-p))*b**emax)) */
@ -49,9 +49,9 @@
#define DBL_MANT_DIG 53
#define DBL_EPSILON 2.2204460492503131E-16
#define DBL_DIG 15
#define DBL_MIN_EXP -1021
#define DBL_MIN_EXP (-1021)
#define DBL_MIN 2.2250738585072014E-308
#define DBL_MIN_10_EXP -307
#define DBL_MIN_10_EXP (-307)
#define DBL_MAX_EXP 1024
#define DBL_MAX 1.7976931348623157E+308
#define DBL_MAX_10_EXP 308