12 lines
337 B
C
12 lines
337 B
C
/* $NetBSD: math.h,v 1.1 2002/06/05 01:04:22 fredette Exp $ */
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/*
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* ISO C99
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*/
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#if !defined(_ANSI_SOURCE) && \
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(!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE) || \
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defined(_ISOC99_SOURCE) || (__STDC_VERSION__ - 0) >= 199901L)
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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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