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abc150085f
Some header files use __BEGIN_DECLS without including sys/cdefs.h. This causes issues for C code that compiles against these headers, which may occur with Ports.
45 lines
1.3 KiB
C
45 lines
1.3 KiB
C
/*
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* Copyright (c) 2022, Peter Elliott <pelliott@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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/* complex arithmetic
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*
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* https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/complex.h.html
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*/
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#pragma once
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#include <stddef.h>
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#include <sys/cdefs.h>
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__BEGIN_DECLS
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#define complex _Complex
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#define _Complex_I (0.0f + 1.0fi)
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#define I _Complex_I
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#define CMPLX(x, y) ((double complex)__builtin_complex((double)x, (double)y))
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#define CMPLXF(x, y) ((float complex)__builtin_complex((float)x, (float)y))
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#define CMPLXL(x, y) ((long double complex)__builtin_complex((long double)x, (long double)y))
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float crealf(float complex z);
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double creal(double complex z);
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long double creall(long double complex z);
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double cimag(double complex z);
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float cimagf(float complex z);
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long double cimagl(long double complex z);
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// These are macro implementations of the above functions, so that they will always be inlined.
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#define creal(z) ((double)__real__((double complex)z))
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#define crealf(z) ((float)__real__((float complex)z))
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#define creall(z) ((long double)__real__((long double complex)z))
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#define cimag(z) ((double)__imag__((double complex)z))
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#define cimagf(z) ((float)__imag__((float complex)z))
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#define cimagl(z) ((long double)__imag__((long double complex)z))
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__END_DECLS
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