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
index 000000000..aa72b1cd4
--- /dev/null
+++ b/gr-analog/lib/sincos.c
@@ -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