Retro68/gcc/newlib/libm/common/sf_isinff.c
Wolfgang Thaller ec13cc9ce7 fix newlib
2018-12-29 09:59:36 +01:00

26 lines
354 B
C

/*
* __isinff(x) returns 1 if x is +-infinity, else 0;
* Added by Cygnus Support.
*/
#include "fdlibm.h"
int
__isinff (float x)
{
__int32_t ix;
GET_FLOAT_WORD(ix,x);
ix &= 0x7fffffff;
return FLT_UWORD_IS_INFINITE(ix);
}
#ifdef _DOUBLE_IS_32BITS
int
__isinfd (double x)
{
return __isinff((float) x);
}
#endif /* defined(_DOUBLE_IS_32BITS) */