cloudlibc/src/include/complex.h at master · NuxiNL/cloudlibc · GitHub

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// Copyright (c) 2015 Nuxi, https://nuxi.nl/
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// 1. Redistributions of source code must retain the above copyright
//    notice, this list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright
//    notice, this list of conditions and the following disclaimer in the
//    documentation and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
// OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
// HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
// OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
// SUCH DAMAGE.

// <complex.h> - complex arithmetic

#ifndef _COMPLEX_H_
#define _COMPLEX_H_

#include <_/cdefs.h>

#define complex _Complex

#ifdef __clang__
// Clang.
#define CMPLX(x, y) ((double complex){x, y})
#define CMPLXF(x, y) ((float complex){x, y})
#define CMPLXL(x, y) ((long double complex){x, y})
#elif !defined(__cplusplus)
// GCC in C mode.
#define CMPLX(x, y) __builtin_complex((double)(x), (double)(y))
#define CMPLXF(x, y) __builtin_complex((float)(x), (float)(y))
#define CMPLXL(x, y) __builtin_complex((long double)(x), (long double)(y))
#endif

#ifdef CMPLXF
#define _Complex_I CMPLXF(0.0f, 1.0f)
#define I _Complex_I
_Static_assert(_Generic(_Complex_I, float complex : 1),
               "_Complex_I must be of type float complex");
#endif

__BEGIN_DECLS
double cabs(double complex);
float cabsf(float complex);
long double cabsl(long double complex);
double complex cacos(double complex);
float complex cacosf(float complex);
double complex cacosh(double complex);
float complex cacoshf(float complex);
long double complex cacoshl(long double complex);
long double complex cacosl(long double complex);
double carg(double complex);
float cargf(float complex);
long double cargl(long double complex);
double complex casin(double complex);
float complex casinf(float complex);
double complex casinh(double complex);
float complex casinhf(float complex);
long double complex casinhl(long double complex);
long double complex casinl(long double complex);
double complex catan(double complex);
float complex catanf(float complex);
double complex catanh(double complex);
float complex catanhf(float complex);
long double complex catanhl(long double complex);
long double complex catanl(long double complex);
double complex ccos(double complex);
float complex ccosf(float complex);
double complex ccosh(double complex);
float complex ccoshf(float complex);
long double complex ccoshl(long double complex);
long double complex ccosl(long double complex);
double complex cexp(double complex);
float complex cexpf(float complex);
long double complex cexpl(long double complex);
double cimag(double complex) __pure2;
float cimagf(float complex) __pure2;
long double cimagl(long double complex) __pure2;
double complex clog(double complex);
float complex clogf(float complex);
long double complex clogl(long double complex);
double complex conj(double complex) __pure2;
float complex conjf(float complex) __pure2;
long double complex conjl(long double complex) __pure2;
double complex cpow(double complex, double complex);
float complex cpowf(float complex, float complex);
long double complex cpowl(long double complex, long double complex);
double complex cproj(double complex) __pure2;
float complex cprojf(float complex) __pure2;
long double complex cprojl(long double complex) __pure2;
double creal(double complex) __pure2;
float crealf(float complex) __pure2;
long double creall(long double complex) __pure2;
double complex csin(double complex);
float complex csinf(float complex);
double complex csinh(double complex);
float complex csinhf(float complex);
long double complex csinhl(long double complex);
long double complex csinl(long double complex);
double complex csqrt(double complex);
float complex csqrtf(float complex);
long double complex csqrtl(long double complex);
double complex ctan(double complex);
float complex ctanf(float complex);
double complex ctanh(double complex);
float complex ctanhf(float complex);
long double complex ctanhl(long double complex);
long double complex ctanl(long double complex);
__END_DECLS

#endif