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/**
* This file has no copyright assigned and is placed in the Public Domain.
* This file is part of the mingw-w64 runtime package.
* No warranty is given; refer to the file DISCLAIMER.PD within this package.
*/
#define __CRT__NO_INLINE
#include <math.h>
int __fpclassifyf (float _x)
{
#if defined(__x86_64__) || defined(_AMD64_) || defined(__arm__) || defined(_ARM_) || defined(__aarch64__) || defined(_ARM64_)
__mingw_flt_type_t hlp;
hlp.x = _x;
hlp.val &= 0x7fffffff;
if (hlp.val == 0)
return FP_ZERO;
if (hlp.val < 0x800000)
return FP_SUBNORMAL;
if (hlp.val >= 0x7f800000)
return (hlp.val > 0x7f800000 ? FP_NAN : FP_INFINITE);
return FP_NORMAL;
#elif defined(__i386__) || defined(_X86_)
unsigned short sw;
__asm__ __volatile__ (
"fxam; fstsw %%ax;"
: "=a" (sw)
: "t" (_x)
);
return sw & (FP_NAN | FP_NORMAL | FP_ZERO);
#endif
}
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