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18 lines
378 B
C
18 lines
378 B
C
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/*
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* PROJECT: ReactOS CRT
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* LICENSE: MIT (https://spdx.org/licenses/MIT)
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* PURPOSE: Implementation of _isnanf.
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* COPYRIGHT: Copyright 2025 Timo Kreuzer <timo.kreuzer@reactos.org>
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*/
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#include <math.h>
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#include <stdint.h>
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int
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__cdecl
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_isnanf(_In_ float _X)
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{
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union { float f; uint32_t ui32; } u = { _X };
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return (u.ui32 & ~0x80000000) > 0x7F800000;
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}
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