X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=include%2Fmath.h;h=14f28ec8c646596aee2d78c662a65584def559a1;hb=d8f35e29d0e35a90f44c04de585470c211afddf9;hp=01428152d2837498ba59d282512669992e9de4b7;hpb=2897bfdd602f3d6a0724bbfdd543e962926b5bbe;p=musl diff --git a/include/math.h b/include/math.h index 01428152..14f28ec8 100644 --- a/include/math.h +++ b/include/math.h @@ -9,9 +9,6 @@ extern "C" { #define __NEED_float_t #define __NEED_double_t -#define __NEED___uint16_t -#define __NEED___uint32_t -#define __NEED___uint64_t #include #if 100*__GNUC__+__GNUC_MINOR__ >= 303 @@ -19,7 +16,7 @@ extern "C" { #define INFINITY __builtin_inff() #else #define NAN (0.0f/0.0f) -#define INFINITY 1e40f +#define INFINITY 1e5000f #endif #define HUGE_VALF INFINITY @@ -30,7 +27,7 @@ extern "C" { #define MATH_ERREXCEPT 2 #define math_errhandling 2 -#define FP_ILOGBNAN (-1-(int)(((unsigned)-1)>>1)) +#define FP_ILOGBNAN (-1-0x7fffffff) #define FP_ILOGB0 FP_ILOGBNAN #define FP_NAN 0 @@ -39,18 +36,32 @@ extern "C" { #define FP_SUBNORMAL 3 #define FP_NORMAL 4 +#ifdef __FP_FAST_FMA +#define FP_FAST_FMA 1 +#endif + +#ifdef __FP_FAST_FMAF +#define FP_FAST_FMAF 1 +#endif + +#ifdef __FP_FAST_FMAL +#define FP_FAST_FMAL 1 +#endif + int __fpclassify(double); int __fpclassifyf(float); int __fpclassifyl(long double); -static __inline __uint32_t __FLOAT_BITS(float __f) +static __inline unsigned __FLOAT_BITS(float __f) { - union {float __f; __uint32_t __i;} __u = {__f}; + union {float __f; unsigned __i;} __u; + __u.__f = __f; return __u.__i; } -static __inline __uint64_t __DOUBLE_BITS(double __f) +static __inline unsigned long long __DOUBLE_BITS(double __f) { - union {double __f; __uint64_t __i;} __u = {__f}; + union {double __f; unsigned long long __i;} __u; + __u.__f = __f; return __u.__i; } @@ -61,22 +72,22 @@ static __inline __uint64_t __DOUBLE_BITS(double __f) #define isinf(x) ( \ sizeof(x) == sizeof(float) ? (__FLOAT_BITS(x) & 0x7fffffff) == 0x7f800000 : \ - sizeof(x) == sizeof(double) ? (__DOUBLE_BITS(x) & (__uint64_t)-1>>1) == (__uint64_t)0x7ff<<52 : \ + sizeof(x) == sizeof(double) ? (__DOUBLE_BITS(x) & -1ULL>>1) == 0x7ffULL<<52 : \ __fpclassifyl(x) == FP_INFINITE) #define isnan(x) ( \ sizeof(x) == sizeof(float) ? (__FLOAT_BITS(x) & 0x7fffffff) > 0x7f800000 : \ - sizeof(x) == sizeof(double) ? (__DOUBLE_BITS(x) & (__uint64_t)-1>>1) > (__uint64_t)0x7ff<<52 : \ + sizeof(x) == sizeof(double) ? (__DOUBLE_BITS(x) & -1ULL>>1) > 0x7ffULL<<52 : \ __fpclassifyl(x) == FP_NAN) #define isnormal(x) ( \ sizeof(x) == sizeof(float) ? ((__FLOAT_BITS(x)+0x00800000) & 0x7fffffff) >= 0x01000000 : \ - sizeof(x) == sizeof(double) ? ((__DOUBLE_BITS(x)+((__uint64_t)1<<52)) & (__uint64_t)-1>>1) >= (__uint64_t)1<<53 : \ + sizeof(x) == sizeof(double) ? ((__DOUBLE_BITS(x)+(1ULL<<52)) & -1ULL>>1) >= 1ULL<<53 : \ __fpclassifyl(x) == FP_NORMAL) #define isfinite(x) ( \ sizeof(x) == sizeof(float) ? (__FLOAT_BITS(x) & 0x7fffffff) < 0x7f800000 : \ - sizeof(x) == sizeof(double) ? (__DOUBLE_BITS(x) & (__uint64_t)-1>>1) < (__uint64_t)0x7ff<<52 : \ + sizeof(x) == sizeof(double) ? (__DOUBLE_BITS(x) & -1ULL>>1) < 0x7ffULL<<52 : \ __fpclassifyl(x) > FP_INFINITE) int __signbit(double); @@ -94,20 +105,20 @@ int __signbitl(long double); static __inline int __is##rel(type __x, type __y) \ { return !isunordered(__x,__y) && __x op __y; } -__ISREL_DEF(lessf, <, float) -__ISREL_DEF(less, <, double) +__ISREL_DEF(lessf, <, float_t) +__ISREL_DEF(less, <, double_t) __ISREL_DEF(lessl, <, long double) -__ISREL_DEF(lessequalf, <=, float) -__ISREL_DEF(lessequal, <=, double) +__ISREL_DEF(lessequalf, <=, float_t) +__ISREL_DEF(lessequal, <=, double_t) __ISREL_DEF(lessequall, <=, long double) -__ISREL_DEF(lessgreaterf, !=, float) -__ISREL_DEF(lessgreater, !=, double) +__ISREL_DEF(lessgreaterf, !=, float_t) +__ISREL_DEF(lessgreater, !=, double_t) __ISREL_DEF(lessgreaterl, !=, long double) -__ISREL_DEF(greaterf, >, float) -__ISREL_DEF(greater, >, double) +__ISREL_DEF(greaterf, >, float_t) +__ISREL_DEF(greater, >, double_t) __ISREL_DEF(greaterl, >, long double) -__ISREL_DEF(greaterequalf, >=, float) -__ISREL_DEF(greaterequal, >=, double) +__ISREL_DEF(greaterequalf, >=, float_t) +__ISREL_DEF(greaterequal, >=, double_t) __ISREL_DEF(greaterequall, >=, long double) #define __tg_pred_2(x, y, p) ( \ @@ -352,7 +363,7 @@ long double truncl(long double); #if defined(_XOPEN_SOURCE) || defined(_BSD_SOURCE) #undef MAXFLOAT -#define MAXFLOAT 3.40282347e+38F +#define MAXFLOAT 3.40282346638528859812e+38F #endif #if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE) @@ -382,7 +393,13 @@ double yn(int, double); #endif #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) -#define HUGE 3.40282347e+38F +#define HUGE 3.40282346638528859812e+38F + +double drem(double, double); +float dremf(float, float); + +int finite(double); +int finitef(float); double scalb(double, double); float scalbf(float, float);