include/complex.h

   1 /*-
   2  * Copyright (c) 2001-2008 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 #ifdef __GNUC__
  33 #if __STDC_VERSION__ < 199901
  34 #define _Complex        __complex__
  35 #endif
  36 #define _Complex_I      1.0fi
  37 #endif
  38
  39 #define complex         _Complex
  40 #define I               _Complex_I
  41
  42 #include <sys/cdefs.h>
  43
  44 __BEGIN_DECLS
  45
  46 double          cabs(double complex);
  47 float           cabsf(float complex);
  48 long double     cabsl(long double complex);
  49 double          carg(double complex);
  50 float           cargf(float complex);
  51 long double     cargl(long double complex);
  52 double          cimag(double complex) __pure2;
  53 float           cimagf(float complex) __pure2;
  54 long double     cimagl(long double complex) __pure2;
  55 double complex  conj(double complex) __pure2;
  56 float complex   conjf(float complex) __pure2;
  57 long double complex
  58                 conjl(long double complex) __pure2;
  59 float complex   cprojf(float complex) __pure2;
  60 double complex  cproj(double complex) __pure2;
  61 long double complex
  62                 cprojl(long double complex) __pure2;
  63 double          creal(double complex) __pure2;
  64 float           crealf(float complex) __pure2;
  65 long double     creall(long double complex) __pure2;
  66 double complex  csqrt(double complex);
  67 float complex   csqrtf(float complex);
  68 long double complex
  69                 csqrtl(long double complex);
  70
  71 __END_DECLS
  72
  73 #endif /* _COMPLEX_H */