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/*
* Written by J.T. Conklin <jtc@netbsd.org>.
* Public domain.
*/
/*
* isinff(x) returns 1 if x is inf, -1 if x is -inf, else 0;
* no branching!
*/
#include "math.h"
#include "math_private.h"
libm_hidden_proto(__isinff)
int
__isinff (float x)
{
int32_t ix,t;
GET_FLOAT_WORD(ix,x);
t = ix & 0x7fffffff;
t ^= 0x7f800000;
t |= -t;
return ~(t >> 31) & (ix >> 30);
}
libm_hidden_def(__isinff)
strong_alias (__isinff, isinff)
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