1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33
|
/*
Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
Developed at SunPro, a Sun Microsystems, Inc. business.
Permission to use, copy, modify, and distribute this
software is freely granted, provided that this notice
is preserved.
*/
/*
* __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) */
|