diff options
author | ru <ru@FreeBSD.org> | 2001-06-13 15:16:30 +0000 |
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committer | ru <ru@FreeBSD.org> | 2001-06-13 15:16:30 +0000 |
commit | 0d5bbb03497fb236d7d90377834431974b0614da (patch) | |
tree | 37b7552d4bd478688101be23177232d72f8186b9 /include/complex.h | |
parent | 086630c576392797f494de067ba6ca5608875b1a (diff) | |
download | FreeBSD-src-0d5bbb03497fb236d7d90377834431974b0614da.zip FreeBSD-src-0d5bbb03497fb236d7d90377834431974b0614da.tar.gz |
Added skeleton <complex.h> (aligned with the POSIX.1-200x), mostly
to fix the "-nostdinc WARNS=X" breakage caused by broken prototypes
for cabs() and cabsl() in <math.h>.
Reimplemented cabs() and cabsl() using new complex numbers types and
moved prototypes from <math.h> to <complex.h>.
Diffstat (limited to 'include/complex.h')
-rw-r--r-- | include/complex.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/include/complex.h b/include/complex.h new file mode 100644 index 0000000..faf43da --- /dev/null +++ b/include/complex.h @@ -0,0 +1,60 @@ +/*- + * Copyright (c) 2001 The FreeBSD Project. + * All rights reserved. + * + * 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. + * + * $FreeBSD$ + */ + +#ifndef _COMPLEX_H +#define _COMPLEX_H + +#ifdef __GNUC__ +#define _Complex __complex__ +#define _Complex_I 1.0fi +#endif + +#define complex _Complex +#define I _Complex_I + +#include <sys/cdefs.h> + +__BEGIN_DECLS + +double cabs __P((double complex)); +float cabsf __P((float complex)); +double cimag __P((double complex)); +float cimagf __P((float complex)); +double creal __P((double complex)); +float crealf __P((float complex)); + +__END_DECLS + +#ifdef __GNUC__ +#define cimag(z) (__imag__ (z)) +#define cimagf(z) (__imag__ (z)) +#define creal(z) (__real__ (z)) +#define crealf(z) (__real__ (z)) +#endif + +#endif /* _COMPLEX_H */ |