11 lines
283 B
C
11 lines
283 B
C
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/* $NetBSD: math.h,v 1.1 1999/12/23 10:15:10 kleink Exp $ */
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/*
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* ISO C99
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*/
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#if !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE) && \
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!defined(_XOPEN_SOURCE) || defined(_ISOC99_SOURCE)
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extern const char __nanf[];
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#define NAN (*(const float *)(const void *)__nanf)
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#endif
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