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authorTom Rondeau2012-10-31 16:28:53 -0400
committerTom Rondeau2012-10-31 16:28:53 -0400
commitac9430cd39bf12395952ca49b1966ec428fdadf3 (patch)
treec0458aace8a79df8a0595b837c709d5b982ce33f /gr-analog/lib/sincos.c
parentfa4f1c2fcec8536c9d71607a0a710878cb6010ff (diff)
parent21beb2a5dc1e589873b49836190c3caf354c86f7 (diff)
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Merge branch 'analog'
Diffstat (limited to 'gr-analog/lib/sincos.c')
-rw-r--r--gr-analog/lib/sincos.c86
1 files changed, 86 insertions, 0 deletions
diff --git a/gr-analog/lib/sincos.c b/gr-analog/lib/sincos.c
new file mode 100644
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+++ b/gr-analog/lib/sincos.c
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+/* -*- 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