newlib-cygwin/newlib/libm/common/sf_nan.c

29 lines
365 B
C

/*
* nanf () returns a nan.
* Added by Cygnus Support.
*/
#include "fdlibm.h"
float nanf(const char *unused)
{
float x;
#if __GNUC_PREREQ (3, 3)
x = __builtin_nanf("");
#else
SET_FLOAT_WORD(x,0x7fc00000);
#endif
return x;
}
#ifdef _DOUBLE_IS_32BITS
double nan(const char *arg)
{
return (double) nanf(arg);
}
#endif /* defined(_DOUBLE_IS_32BITS) */