diff options
Diffstat (limited to 'gnuradio-runtime/lib/gr_sincos.c')
-rw-r--r-- | gnuradio-runtime/lib/gr_sincos.c | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/gnuradio-runtime/lib/gr_sincos.c b/gnuradio-runtime/lib/gr_sincos.c new file mode 100644 index 0000000000..a8d01b0da4 --- /dev/null +++ b/gnuradio-runtime/lib/gr_sincos.c @@ -0,0 +1,83 @@ +/* -*- c++ -*- */ +/* + * Copyright 2004,2010 Free Software Foundation, Inc. + * + * This file is part of GNU Radio + * + * GNU Radio is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3, or (at your option) + * any later version. + * + * GNU Radio 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GNU Radio; see the file COPYING. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, + * Boston, MA 02110-1301, USA. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#ifndef _GNU_SOURCE +#define _GNU_SOURCE // ask for GNU extensions if available +#endif + +#include <gr_sincos.h> +#include <math.h> + +// ---------------------------------------------------------------- + +#if defined (HAVE_SINCOS) + +void +gr_sincos (double x, double *sinx, double *cosx) +{ + sincos (x, sinx, cosx); +} + +#else + +void +gr_sincos (double x, double *sinx, double *cosx) +{ + *sinx = sin (x); + *cosx = cos (x); +} + +#endif + +// ---------------------------------------------------------------- + +#if defined (HAVE_SINCOSF) + +void +gr_sincosf (float x, float *sinx, float *cosx) +{ + sincosf (x, sinx, cosx); +} + +#elif defined (HAVE_SINF) && defined (HAVE_COSF) + +void +gr_sincosf (float x, float *sinx, float *cosx) +{ + *sinx = sinf (x); + *cosx = cosf (x); +} + +#else + +void +gr_sincosf (float x, float *sinx, float *cosx) +{ + *sinx = sin (x); + *cosx = cos (x); +} + +#endif |