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18 lines
349 B
C
18 lines
349 B
C
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#include <stdint.h>
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/* fp_barrier returns its input, but limits code transformations
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as if it had a side-effect (e.g. observable io) and returned
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an arbitrary value. */
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static inline float fp_barrierf(float x)
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{
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volatile float y = x;
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return y;
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}
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float __math_divzerof(uint32_t sign)
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{
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return fp_barrierf(sign ? -1.0f : 1.0f) / 0.0f;
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}
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