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21 lines
370 B
C
21 lines
370 B
C
#include <math.h>
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#include <private/ieee754.h>
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int __fpclassifyf(float x) {
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if (ieee754exp32(x) == 0) {
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if (ieee754man32(x) == 0x0) {
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return FP_ZERO;
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} else {
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return FP_SUBNORMAL;
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}
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}
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if (ieee754exp32(x) == 0xFF) {
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if (ieee754man32(x) == 0) {
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return FP_INFINITE;
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} else {
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return FP_NAN;
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}
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}
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return FP_NORMAL;
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}
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