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Sourcecode: mingw-w64 version File versions  Download package

 * This file has no copyright assigned and is placed in the Public Domain.
 * This file is part of the w64 mingw-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){
  unsigned short sw;
  __asm__ __volatile__ (
      "fxam; fstsw %%ax;"
      : "=a" (sw)
      : "t" (_x)
  return sw & (FP_NAN | FP_NORMAL | FP_ZERO );

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