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| author | Richard Lowe <richlowe@richlowe.net> | 2019-04-27 02:09:06 +0000 |
|---|---|---|
| committer | Richard Lowe <richlowe@richlowe.net> | 2019-05-09 19:37:40 +0000 |
| commit | f26364c965228a50041eda19745fc8573312c654 (patch) | |
| tree | d102bb39014ad1abfb610a05e35e14aa2c81616a | |
| parent | 9938df9efd1c845888adf3e046421db350cf1088 (diff) | |
| download | illumos-joyent-f26364c965228a50041eda19745fc8573312c654.tar.gz | |
10881 more C99 math macros should be compiler builtins
Reviewed by: Toomas Soome <tsoome@me.com>
Reviewed by: Gergő Doma <domag02@gmail.com>
Reviewed by: Robert Mustacchi <rm@joyent.com>
Approved by: Dan McDonald <danmcd@joyent.com>
| -rw-r--r-- | usr/src/head/iso/math_c99.h | 33 |
1 files changed, 19 insertions, 14 deletions
diff --git a/usr/src/head/iso/math_c99.h b/usr/src/head/iso/math_c99.h index cf568267cb..36cf150d1a 100644 --- a/usr/src/head/iso/math_c99.h +++ b/usr/src/head/iso/math_c99.h @@ -36,6 +36,17 @@ extern "C" { #endif +#undef FP_ZERO +#define FP_ZERO 0 +#undef FP_SUBNORMAL +#define FP_SUBNORMAL 1 +#undef FP_NORMAL +#define FP_NORMAL 2 +#undef FP_INFINITE +#define FP_INFINITE 3 +#undef FP_NAN +#define FP_NAN 4 + #if defined(_STDC_C99) || _XOPEN_SOURCE - 0 >= 600 || defined(__C99FEATURES__) #if defined(__GNUC__) #undef HUGE_VAL @@ -57,7 +68,12 @@ extern "C" { #if __GNUC__ >= 4 #define isnan(x) __builtin_isnan(x) #define isinf(x) __builtin_isinf(x) -#else +#define fpclassify(x) __builtin_fpclassify(FP_NAN, FP_INFINITE, FP_NORMAL, \ + FP_SUBNORMAL, FP_ZERO, x) +#define isfinite(x) __builtin_isfinite(x) +#define isnormal(x) __builtin_isnormal(x) +#define signbit(x) __builtin_signbit(x) +#else /* __GNUC__ >= 4 */ #define isnan(x) __extension__( \ { __typeof(x) __x_n = (x); \ __builtin_isunordered(__x_n, __x_n); }) @@ -65,7 +81,6 @@ extern "C" { { __typeof(x) __x_i = (x); \ __x_i == (__typeof(__x_i)) INFINITY || \ __x_i == (__typeof(__x_i)) (-INFINITY); }) -#endif #undef isfinite #define isfinite(x) __extension__( \ { __typeof(x) __x_f = (x); \ @@ -99,7 +114,8 @@ extern "C" { sizeof (__x_s) == sizeof (double) ? \ (int)(((unsigned *)&__x_s)[1] >> 31) : \ (int)(((unsigned short *)&__x_s)[4] >> 15)); }) -#endif +#endif /* defined(_BIG_ENDIAN) */ +#endif /* __GNUC__ >= 4 */ /* * C99 7.12.14 comparison macros @@ -182,17 +198,6 @@ typedef long double float_t; typedef long double double_t; #endif -#undef FP_ZERO -#define FP_ZERO 0 -#undef FP_SUBNORMAL -#define FP_SUBNORMAL 1 -#undef FP_NORMAL -#define FP_NORMAL 2 -#undef FP_INFINITE -#define FP_INFINITE 3 -#undef FP_NAN -#define FP_NAN 4 - #undef FP_ILOGB0 #define FP_ILOGB0 (-2147483647) #undef FP_ILOGBNAN |