X-Git-Url: http://nsz.repo.hu/git/?p=musl;a=blobdiff_plain;f=include%2Fmath.h;h=c029156a65d5dc0a09122ddc4d65f54f108fa7ff;hp=1910879507a4ff0e4066fd636bc05fb793a28275;hb=9448b0513e2eec020fbca9c10412b83df5027a16;hpb=969ddbc423238291d5c7982790bbe72720627ba4 diff --git a/include/math.h b/include/math.h index 19108795..c029156a 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 @@ -43,11 +40,16 @@ int __fpclassify(double); int __fpclassifyf(float); int __fpclassifyl(long double); -union __float_repr { float __f; __uint32_t __i; }; -union __double_repr { double __f; __uint64_t __i; }; - -#define __FLOAT_BITS(f) (((union __float_repr){ (float)(f) }).__i) -#define __DOUBLE_BITS(f) (((union __double_repr){ (double)(f) }).__i) +static __inline unsigned __FLOAT_BITS(float __f) +{ + union {float __f; unsigned __i;} __u = {__f}; + return __u.__i; +} +static __inline unsigned long long __DOUBLE_BITS(double __f) +{ + union {double __f; unsigned long long __i;} __u = {__f}; + return __u.__i; +} #define fpclassify(x) ( \ sizeof(x) == sizeof(float) ? __fpclassifyf(x) : \ @@ -56,22 +58,22 @@ union __double_repr { double __f; __uint64_t __i; }; #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); @@ -346,6 +348,7 @@ long double truncl(long double); #if defined(_XOPEN_SOURCE) || defined(_BSD_SOURCE) +#undef MAXFLOAT #define MAXFLOAT 3.40282347e+38F #endif