1 files changed, 41 insertions, 0 deletions
diff --git a/gnuradio-runtime/include/gr_sincos.h b/gnuradio-runtime/include/gr_sincos.h
new file mode 100644
index 0000000000..5a182081de
--- /dev/null
+++ b/gnuradio-runtime/include/gr_sincos.h
@@ -0,0 +1,41 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2002,2004 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.
+ */
+
+#ifndef INCLUDED_GR_SINCOS_H
+#define INCLUDED_GR_SINCOS_H
+
+#include <gr_runtime_api.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// compute sine and cosine at the same time
+
+GR_RUNTIME_API void gr_sincos (double x, double *sin, double *cos);
+GR_RUNTIME_API void gr_sincosf (float x, float *sin, float *cos);
+
+#ifdef __cplusplus
+};
+#endif
+
+#endif /* INCLUDED_GR_SINCOS_H */