kaguya
12 lines
254 B
C
12 lines
254 B
C
#include <math.h>
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#include <stdint.h>
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int __fpclassifyf(float x)
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{
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union {float f; uint32_t i;} u = {x};
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int e = u.i>>23 & 0xff;
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if (!e) return u.i<<1 ? FP_SUBNORMAL : FP_ZERO;
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if (e==0xff) return u.i<<9 ? FP_NAN : FP_INFINITE;
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return FP_NORMAL;
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}
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