core: moving core sincos functions back into core to act as deps for anything else.

author: Tom Rondeau <trondeau@vt.edu> 2013-03-17 18:20:59 -0400
committer: Tom Rondeau <trondeau@vt.edu> 2013-03-17 18:20:59 -0400
commit: 842db35f8e379df7f8bc8171f13bbe02f3ab0cfd (patch)
tree: f5e95fb5c5c7a1de6fc54af563a182e3cbcfc3e0 /gnuradio-core/src/lib/general
parent: cab7429540a5790d4fe0997c3fa056386ebaca5f (diff)
6 files changed, 259 insertions, 0 deletions
diff --git a/gnuradio-core/src/lib/general/CMakeLists.txt b/gnuradio-core/src/lib/general/CMakeLists.txt
index 820f300f10..08e5a003c0 100644
--- a/gnuradio-core/src/lib/general/CMakeLists.txt
+++ b/gnuradio-core/src/lib/general/CMakeLists.txt
@@ -53,6 +53,7 @@ list(APPEND gnuradio_core_sources
     ${CMAKE_CURRENT_SOURCE_DIR}/gr_misc.cc
     ${CMAKE_CURRENT_SOURCE_DIR}/gr_random.cc
     ${CMAKE_CURRENT_SOURCE_DIR}/gr_reverse.cc
+    ${CMAKE_CURRENT_SOURCE_DIR}/gr_sincos.c
     ${CMAKE_CURRENT_SOURCE_DIR}/gri_debugger_hook.cc
     ${CMAKE_CURRENT_SOURCE_DIR}/malloc16.c
 )
@@ -64,6 +65,7 @@ list(APPEND test_gnuradio_core_sources
     ${CMAKE_CURRENT_SOURCE_DIR}/qa_general.cc
     ${CMAKE_CURRENT_SOURCE_DIR}/qa_gr_circular_file.cc
     ${CMAKE_CURRENT_SOURCE_DIR}/qa_gr_math.cc
+    ${CMAKE_CURRENT_SOURCE_DIR}/qa_sincos.cc
 )
 
 ########################################################################
@@ -79,6 +81,7 @@ install(FILES
     ${CMAKE_CURRENT_SOURCE_DIR}/gr_misc.h
     ${CMAKE_CURRENT_SOURCE_DIR}/gr_random.h
     ${CMAKE_CURRENT_SOURCE_DIR}/gr_reverse.h
+    ${CMAKE_CURRENT_SOURCE_DIR}/gr_sincos.h
     ${CMAKE_CURRENT_SOURCE_DIR}/gr_test_types.h
     ${CMAKE_CURRENT_SOURCE_DIR}/gri_debugger_hook.h
     ${CMAKE_CURRENT_SOURCE_DIR}/gri_lfsr_15_1_0.h
@@ -121,3 +124,11 @@ foreach(file_tt ${gr_core_general_triple_threats})
         install(FILES ${CMAKE_CURRENT_SOURCE_DIR}/${file_tt}.i DESTINATION ${GR_INCLUDE_DIR}/gnuradio/swig COMPONENT "core_swig")
     endif(ENABLE_PYTHON)
 endforeach(file_tt ${gr_core_general_triple_threats})
+
+CHECK_CXX_SOURCE_COMPILES("
+    #define _GNU_SOURCE
+    #include <math.h>
+    int main(){double x, sin, cos; sincos(x, &sin, &cos); return 0;}
+    " HAVE_SINCOS
+)
+GR_ADD_COND_DEF(HAVE_SINCOS)
diff --git a/gnuradio-core/src/lib/general/gr_sincos.c b/gnuradio-core/src/lib/general/gr_sincos.c
new file mode 100644
index 0000000000..a8d01b0da4
--- /dev/null
+++ b/gnuradio-core/src/lib/general/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
diff --git a/gnuradio-core/src/lib/general/gr_sincos.h b/gnuradio-core/src/lib/general/gr_sincos.h
new file mode 100644
index 0000000000..516f43437a
--- /dev/null
+++ b/gnuradio-core/src/lib/general/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_core_api.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// compute sine and cosine at the same time
+
+GR_CORE_API void gr_sincos (double x, double *sin, double *cos);
+GR_CORE_API void gr_sincosf (float x, float *sin, float *cos);
+
+#ifdef __cplusplus
+};
+#endif
+
+#endif /* INCLUDED_GR_SINCOS_H */
diff --git a/gnuradio-core/src/lib/general/qa_general.cc b/gnuradio-core/src/lib/general/qa_general.cc
index e2328c2cb2..0fce7d2379 100644
--- a/gnuradio-core/src/lib/general/qa_general.cc
+++ b/gnuradio-core/src/lib/general/qa_general.cc
@@ -28,6 +28,7 @@
 #include <qa_general.h>
 #include <qa_gr_circular_file.h>
 #include <qa_gr_math.h>
+#include <qa_sincos.h>
 
 CppUnit::TestSuite *
 qa_general::suite ()
@@ -36,6 +37,7 @@ qa_general::suite ()
 
   s->addTest (qa_gr_circular_file::suite ());
   s->addTest (qa_gr_math::suite ());
+  s->addTest(gr::analog::qa_sincos::suite());
 
   return s;
 }
diff --git a/gnuradio-core/src/lib/general/qa_sincos.cc b/gnuradio-core/src/lib/general/qa_sincos.cc
new file mode 100644
index 0000000000..0066ff6b92
--- /dev/null
+++ b/gnuradio-core/src/lib/general/qa_sincos.cc
@@ -0,0 +1,75 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 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
+
+#include <qa_sincos.h>
+#include <gr_sincos.h>
+#include <gruel/attributes.h>
+#include <cppunit/TestAssert.h>
+#include <cmath>
+
+namespace gr {
+  namespace analog {
+
+    void
+    qa_sincos::t1()
+    {
+      static const unsigned int N = 1000;
+      double c_sin, c_cos;
+      double gr_sin, gr_cos;
+
+      for(unsigned i = 0; i < N; i++) {
+	double x = i/100.0;
+	c_sin = sin(x);
+	c_cos = cos(x);
+
+	gr_sincos(x, &gr_sin, &gr_cos);
+
+	CPPUNIT_ASSERT_DOUBLES_EQUAL(c_sin, gr_sin, 0.0001);
+	CPPUNIT_ASSERT_DOUBLES_EQUAL(c_cos, gr_cos, 0.0001);
+      }
+    }
+
+    void
+    qa_sincos::t2()
+    {
+      static const unsigned int N = 1000;
+      float c_sin, c_cos;
+      float gr_sin, gr_cos;
+
+      for(unsigned i = 0; i < N; i++) {
+	float x = i/100.0;
+	c_sin = sinf(x);
+	c_cos = cosf(x);
+
+	gr_sincosf(x, &gr_sin, &gr_cos);
+
+	CPPUNIT_ASSERT_DOUBLES_EQUAL(c_sin, gr_sin, 0.0001);
+	CPPUNIT_ASSERT_DOUBLES_EQUAL(c_cos, gr_cos, 0.0001);
+      }
+    }
+
+  } /* namespace analog */
+} /* namespace gr */
diff --git a/gnuradio-core/src/lib/general/qa_sincos.h b/gnuradio-core/src/lib/general/qa_sincos.h
new file mode 100644
index 0000000000..f18e879dd8
--- /dev/null
+++ b/gnuradio-core/src/lib/general/qa_sincos.h
@@ -0,0 +1,47 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 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.
+ */
+
+#ifndef _QA_ANALOG_SINCOS_H_
+#define _QA_ANALOG_SINCOS_H_
+
+#include <cppunit/extensions/HelperMacros.h>
+#include <cppunit/TestCase.h>
+
+namespace gr {
+  namespace analog {
+
+    class qa_sincos : public CppUnit::TestCase
+    {
+      CPPUNIT_TEST_SUITE(qa_sincos);
+      CPPUNIT_TEST(t1);
+      CPPUNIT_TEST(t2);
+      CPPUNIT_TEST_SUITE_END();
+
+    private:
+      void t1();
+      void t2();
+    };
+
+  } /* namespace analog */
+} /* namespace gr */
+
+#endif /* _QA_ANALOG_SINCOS_H_ */
author	Tom Rondeau <trondeau@vt.edu>	2013-03-17 18:20:59 -0400
committer	Tom Rondeau <trondeau@vt.edu>	2013-03-17 18:20:59 -0400
commit	842db35f8e379df7f8bc8171f13bbe02f3ab0cfd (patch)
tree	f5e95fb5c5c7a1de6fc54af563a182e3cbcfc3e0 /gnuradio-core/src/lib/general
parent	cab7429540a5790d4fe0997c3fa056386ebaca5f (diff)