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21 lines
308 B
C
21 lines
308 B
C
/*
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* Written by Ulrich Drepper <drepper@gmail.com>.
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*/
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/*
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* __isinf_nsf(x) returns != 0 if x is ±inf, else 0;
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* no branching!
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*/
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#include <math.h>
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#include <math_private.h>
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#undef __isinf_nsf
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int
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__isinf_nsf (float x)
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{
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int32_t ix;
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GET_FLOAT_WORD(ix,x);
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return (ix & 0x7fffffff) == 0x7f800000;
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}
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