5980be9b3c
This work is based in part on code from NetBSD libm, libc and kernel. The library is partly public domain and partly BSD-style licensed.
67 lines
2.2 KiB
C
67 lines
2.2 KiB
C
/*-
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* Copyright (c) 2013 Jonas 'Sortie' Termansen.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef INCLUDE____MATH_H
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#define INCLUDE____MATH_H
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#include <features.h>
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#if defined(__sortix__)
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#include <__/wordsize.h>
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#elif defined(__GNU_LIBRARY__)
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#include <bits/wordsize.h>
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#endif
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__BEGIN_DECLS
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#if __WORDSIZE == 64 || (defined __FLT_EVAL_METHOD__ && __FLT_EVAL_METHOD__ == 0)
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/* The x86-64 architecture computes values with the precission of the
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used type. Similarly for -m32 -mfpmath=sse. */
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/* `float' expressions are evaluated as `float'. */
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typedef float __float_t;
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/* `double' expressions are evaluated as `double'. */
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typedef double __double_t;
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#else
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/* The ix87 FPUs evaluate all values in the 80 bit floating-point format
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which is also available for the user as `long double'. Therefore we
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define: */
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/* `float' expressions are evaluated as `long double'. */
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typedef long double __float_t;
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/* `double' expressions are evaluated as `long double'. */
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typedef long double __double_t;
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#endif
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__END_DECLS
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#endif
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