109 lines
3.1 KiB
C
109 lines
3.1 KiB
C
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/*
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* Copyright (c) 2018 Chris Jones <jonesc@macports.org>
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* Copyright (c) 2019 Michael Dickens <michaelld@macports.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef _MACPORTS_MATH_H_
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#define _MACPORTS_MATH_H_
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/* MP support header */
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#include "MacportsLegacySupport.h"
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#if __MP_LEGACY_SUPPORT_LLROUND__
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__MP__BEGIN_DECLS
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/*
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* These functions are present in the system math library but their
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* prototypes might not be declared under some circumstances. Declare
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* them here anyway.
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*/
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/*
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* this is the same condition that defines the function prototypes in
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* the GCC <math.h>.
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*/
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#if !(__DARWIN_NO_LONG_LONG)
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extern long long int llrint ( double );
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extern long long int llrintf ( float );
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extern long long int llrintl ( long double );
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extern long long int llround ( double );
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extern long long int llroundf ( float );
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extern long long int llroundl ( long double );
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#endif
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__MP__END_DECLS
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/*
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* If the GCC <math.h> header exists, then tell it: (1) to include the
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* next <math.h>, which should be from the system; and (2) to not use
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* it's <math.h> yet, because it basically wraps <cmath> and we need
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* to keep everything herein focused on just <math.h>. If the user
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* wants <cmath>, they should #include that specific header.
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*/
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#undef L_GLIBCXX_MATH_H
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#ifndef _GLIBCXX_MATH_H
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#define L_GLIBCXX_MATH_H 1
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#define _GLIBCXX_MATH_H 1
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#endif
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#undef L_GLIBCXX_INCLUDE_NEXT_C_HEADERS
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#ifndef _GLIBCXX_INCLUDE_NEXT_C_HEADERS
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#define L_GLIBCXX_INCLUDE_NEXT_C_HEADERS 1
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#define _GLIBCXX_INCLUDE_NEXT_C_HEADERS 1
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#endif
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#endif /* __MP_LEGACY_SUPPORT_LLROUND__ */
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/*
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* Include the next math.h, which might be from the primary system or
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* it might be within GCC's c or c++ (yup!) headers
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*/
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#include_next <math.h>
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#if __MP_LEGACY_SUPPORT_COSSIN__
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/* Following is borrowed from math.h on macOS 10.9+ */
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/* __sincos and __sincosf were introduced in OSX 10.9 and iOS 7.0. When
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targeting an older system, we simply split them up into discrete calls
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to sin( ) and cos( ). */
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__MP__BEGIN_DECLS
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extern void __sincosf(float __x, float *__sinp, float *__cosp);
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extern void __sincos(double __x, double *__sinp, double *__cosp);
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__MP__END_DECLS
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#endif /* __MP_LEGACY_SUPPORT_COSSIN__ */
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#if __MP_LEGACY_SUPPORT_LLROUND__
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#ifdef L_GLIBCXX_MATH_H
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#undef L_GLIBCXX_MATH_H
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#undef _GLIBCXX_MATH_H
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#endif
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#ifdef L_GLIBCXX_INCLUDE_NEXT_C_HEADERS
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#undef L_GLIBCXX_INCLUDE_NEXT_C_HEADERS
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#undef _GLIBCXX_INCLUDE_NEXT_C_HEADERS
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#endif
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#endif /* __MP_LEGACY_SUPPORT_LLROUND__ */
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#endif /* _MACPORTS_MATH_H_ */
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