diff options
Diffstat (limited to 'libm/carg.c')
| -rw-r--r-- | libm/carg.c | 33 | 
1 files changed, 33 insertions, 0 deletions
| diff --git a/libm/carg.c b/libm/carg.c new file mode 100644 index 000000000..7641d5dfe --- /dev/null +++ b/libm/carg.c @@ -0,0 +1,33 @@ +/* Compute argument of complex double value. +   Copyright (C) 1997 Free Software Foundation, Inc. +   This file is part of the GNU C Library. +   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. + +   The GNU C Library is free software; you can redistribute it and/or +   modify it under the terms of the GNU Lesser General Public +   License as published by the Free Software Foundation; either +   version 2.1 of the License, or (at your option) any later version. + +   The GNU C Library is distributed in the hope that it will be useful, +   but WITHOUT ANY WARRANTY; without even the implied warranty of +   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU +   Lesser General Public License for more details. + +   You should have received a copy of the GNU Lesser General Public +   License along with the GNU C Library; if not, write to the Free +   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA +   02111-1307 USA.  */ + +#include <complex.h> +#include <math.h> + +libm_hidden_proto(atan2) +libm_hidden_proto(carg) + +double +carg (__complex__ double x) +{ +  return atan2 (__imag__ x, __real__ x); +} + +libm_hidden_def(carg) | 
