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Diffstat (limited to 'gr-analog/lib/sincos.cc')
-rw-r--r-- | gr-analog/lib/sincos.cc | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/gr-analog/lib/sincos.cc b/gr-analog/lib/sincos.cc new file mode 100644 index 000000000..aa72b1cd4 --- /dev/null +++ b/gr-analog/lib/sincos.cc @@ -0,0 +1,86 @@ +/* -*- c++ -*- */ +/* + * Copyright 2004,2010,2012 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 <analog/sincos.h> +#include <math.h> + +namespace gr { + namespace analog { + +// ---------------------------------------------------------------- + +#if defined (HAVE_SINCOS) + + void + sincos(double x, double *sinx, double *cosx) + { + sincos(x, sinx, cosx); + } + +#else + + void + sincos(double x, double *sinx, double *cosx) + { + *sinx = sin(x); + *cosx = cos(x); + } + +#endif + +// ---------------------------------------------------------------- + +#if defined (HAVE_SINCOSF) + + void + sincosf(float x, float *sinx, float *cosx) + { + sincosf(x, sinx, cosx); + } + +#elif defined (HAVE_SINF) && defined (HAVE_COSF) + + void + sincosf(float x, float *sinx, float *cosx) + { + *sinx = sinf(x); + *cosx = cosf(x); + } + +#else + + void + sincosf(float x, float *sinx, float *cosx) + { + *sinx = sin(x); + *cosx = cos(x); + } + +#endif |