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add C11 floating-point characteristic macros to float.h 

C11 introduced *_DECIMAL_DIG and *_HAS_SUBNORM macros.
This commit is contained in:
Szabolcs Nagy 2014-08-27 08:47:19 +02:00 committed by Rich Felker
parent 8d998a7b3b
commit 18dde00713
1 changed files with 7 additions and 0 deletions
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7
include/float.h
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@ -11,8 +11,10 @@
#define FLT_MANT_DIG 24 #define FLT_MANT_DIG 24
#define FLT_MIN_EXP (-125) #define FLT_MIN_EXP (-125)
#define FLT_MAX_EXP 128 #define FLT_MAX_EXP 128
#define FLT_HAS_SUBNORM 1
#define FLT_DIG 6 #define FLT_DIG 6
#define FLT_DECIMAL_DIG 9
#define FLT_MIN_10_EXP (-37) #define FLT_MIN_10_EXP (-37)
#define FLT_MAX_10_EXP 38 #define FLT_MAX_10_EXP 38
@ -24,11 +26,16 @@
#define DBL_MANT_DIG 53 #define DBL_MANT_DIG 53
#define DBL_MIN_EXP (-1021) #define DBL_MIN_EXP (-1021)
#define DBL_MAX_EXP 1024 #define DBL_MAX_EXP 1024
#define DBL_HAS_SUBNORM 1
#define DBL_DIG 15 #define DBL_DIG 15
#define DBL_DECIMAL_DIG 17
#define DBL_MIN_10_EXP (-307) #define DBL_MIN_10_EXP (-307)
#define DBL_MAX_10_EXP 308 #define DBL_MAX_10_EXP 308
#define LDBL_HAS_SUBNORM 1
#define LDBL_DECIMAL_DIG DECIMAL_DIG
#include <bits/float.h> #include <bits/float.h>
#endif #endif