support/libm/complex.h

   1 /*-
   2  * Copyright (c) 2001-2011 The FreeBSD Project.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  *
  26  * $FreeBSD$
  27  */
  28
  29 #ifndef _COMPLEX_H
  30 #define _COMPLEX_H
  31
  32 #include <config.h>
  33 #include <sys/cdefs.h>
  34
  35 #if HOST_ANDROID && !defined(__pure2)
  36 /* NDK unified headers don't define __pure2 */
  37 #define __pure2 __attribute__((__const__))
  38 #endif
  39
  40 #ifdef __GNUC__
  41 #if __STDC_VERSION__ < 199901
  42 #define _Complex        __complex__
  43 #endif
  44 #define _Complex_I      ((float _Complex)1.0i)
  45 #endif
  46
  47 #ifdef __generic
  48 _Static_assert(__generic(_Complex_I, float _Complex, 1, 0),
  49     "_Complex_I must be of type float _Complex");
  50 #endif
  51
  52 #define complex         _Complex
  53 #define I               _Complex_I
  54
  55 #if __ISO_C_VISIBLE >= 2011
  56 #ifdef __clang__
  57 #define CMPLX(x, y)     ((double complex){ x, y })
  58 #define CMPLXF(x, y)    ((float complex){ x, y })
  59 #define CMPLXL(x, y)    ((long double complex){ x, y })
  60 #elif __GNUC_PREREQ__(4, 7)
  61 #define CMPLX(x, y)     __builtin_complex((double)(x), (double)(y))
  62 #define CMPLXF(x, y)    __builtin_complex((float)(x), (float)(y))
  63 #define CMPLXL(x, y)    __builtin_complex((long double)(x), (long double)(y))
  64 #endif
  65 #endif /* __ISO_C_VISIBLE >= 2011 */
  66
  67 __BEGIN_DECLS
  68 #pragma GCC visibility push(default)
  69
  70 double          cabs(double complex);
  71 float           cabsf(float complex);
  72 long double     cabsl(long double complex);
  73 double complex  cacos(double complex);
  74 float complex   cacosf(float complex);
  75 double complex  cacosh(double complex);
  76 float complex   cacoshf(float complex);
  77 double          carg(double complex);
  78 float           cargf(float complex);
  79 long double     cargl(long double complex);
  80 double complex  casin(double complex);
  81 float complex   casinf(float complex);
  82 double complex  casinh(double complex);
  83 float complex   casinhf(float complex);
  84 double complex  catan(double complex);
  85 float complex   catanf(float complex);
  86 double complex  catanh(double complex);
  87 float complex   catanhf(float complex);
  88 double complex  ccos(double complex);
  89 float complex   ccosf(float complex);
  90 double complex  ccosh(double complex);
  91 float complex   ccoshf(float complex);
  92 double complex  cexp(double complex);
  93 float complex   cexpf(float complex);
  94 double          cimag(double complex) __pure2;
  95 float           cimagf(float complex) __pure2;
  96 long double     cimagl(long double complex) __pure2;
  97 double complex  conj(double complex) __pure2;
  98 float complex   conjf(float complex) __pure2;
  99 long double complex
 100                 conjl(long double complex) __pure2;
 101 float complex   cprojf(float complex) __pure2;
 102 double complex  cproj(double complex) __pure2;
 103 long double complex
 104                 cprojl(long double complex) __pure2;
 105 double          creal(double complex) __pure2;
 106 float           crealf(float complex) __pure2;
 107 long double     creall(long double complex) __pure2;
 108 double complex  csin(double complex);
 109 float complex   csinf(float complex);
 110 double complex  csinh(double complex);
 111 float complex   csinhf(float complex);
 112 double complex  csqrt(double complex);
 113 float complex   csqrtf(float complex);
 114 long double complex
 115                 csqrtl(long double complex);
 116 double complex  ctan(double complex);
 117 float complex   ctanf(float complex);
 118 double complex  ctanh(double complex);
 119 float complex   ctanhf(float complex);
 120
 121 #pragma GCC visibility pop
 122 __END_DECLS
 123
 124 #endif /* _COMPLEX_H */