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+/*****************************************************************************
+
+ TestSpeed.hpp
+ Copyright (c) 2005 Laurent de Soras
+
+--- Legal stuff ---
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Lesser General Public
+License as published by the Free Software Foundation; either
+version 2.1 of the License, or (at your option) any later version.
+
+This library 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
+Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public
+License along with this library; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+*Tab=3***********************************************************************/
+
+
+
+#if defined (TestSpeed_CURRENT_CODEHEADER)
+ #error Recursive inclusion of TestSpeed code header.
+#endif
+#define TestSpeed_CURRENT_CODEHEADER
+
+#if ! defined (TestSpeed_CODEHEADER_INCLUDED)
+#define TestSpeed_CODEHEADER_INCLUDED
+
+
+
+/*\\\ INCLUDE FILES \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
+
+#include "test_fnc.h"
+#include "stopwatch/StopWatch.h"
+#include "TestWhiteNoiseGen.h"
+
+#include <typeinfo>
+
+#include <cstdio>
+
+
+
+/*\\\ PUBLIC \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
+
+
+
+template <class FO>
+int TestSpeed <FO>::perform_test_single_object (FO &fft)
+{
+ assert (&fft != 0);
+
+ int ret_val = 0;
+
+ const std::type_info & ti = typeid (fft);
+ const char * class_name_0 = ti.name ();
+
+ if (ret_val == 0)
+ {
+ perform_test_d (fft, class_name_0);
+ }
+ if (ret_val == 0)
+ {
+ perform_test_i (fft, class_name_0);
+ }
+ if (ret_val == 0)
+ {
+ perform_test_di (fft, class_name_0);
+ }
+
+ if (ret_val == 0)
+ {
+ printf ("\n");
+ }
+
+ return (ret_val);
+}
+
+
+
+template <class FO>
+int TestSpeed <FO>::perform_test_d (FO &fft, const char *class_name_0)
+{
+ assert (&fft != 0);
+ assert (class_name_0 != 0);
+
+ const long len = fft.get_length ();
+ const long nbr_tests = limit (
+ static_cast <long> (NBR_SPD_TESTS / len / len),
+ 1L,
+ static_cast <long> (MAX_NBR_TESTS)
+ );
+
+ TestWhiteNoiseGen <DataType> noise;
+ std::vector <DataType> x (len, 0);
+ std::vector <DataType> s (len);
+ noise.generate (&x [0], len);
+
+ printf (
+ "%s::do_fft () speed test [%ld samples]... ",
+ class_name_0,
+ len
+ );
+ fflush (stdout);
+
+ stopwatch::StopWatch chrono;
+ chrono.start ();
+ for (long test = 0; test < nbr_tests; ++ test)
+ {
+ fft.do_fft (&s [0], &x [0]);
+ chrono.stop_lap ();
+ }
+
+ printf ("%.1f clocks/sample\n", chrono.get_time_best_lap (len));
+
+ return (0);
+}
+
+
+
+template <class FO>
+int TestSpeed <FO>::perform_test_i (FO &fft, const char *class_name_0)
+{
+ assert (&fft != 0);
+ assert (class_name_0 != 0);
+
+ const long len = fft.get_length ();
+ const long nbr_tests = limit (
+ static_cast <long> (NBR_SPD_TESTS / len / len),
+ 1L,
+ static_cast <long> (MAX_NBR_TESTS)
+ );
+
+ TestWhiteNoiseGen <DataType> noise;
+ std::vector <DataType> x (len);
+ std::vector <DataType> s (len, 0);
+ noise.generate (&s [0], len);
+
+ printf (
+ "%s::do_ifft () speed test [%ld samples]... ",
+ class_name_0,
+ len
+ );
+ fflush (stdout);
+
+ stopwatch::StopWatch chrono;
+ chrono.start ();
+ for (long test = 0; test < nbr_tests; ++ test)
+ {
+ fft.do_ifft (&s [0], &x [0]);
+ chrono.stop_lap ();
+ }
+
+ printf ("%.1f clocks/sample\n", chrono.get_time_best_lap (len));
+
+ return (0);
+}
+
+
+
+template <class FO>
+int TestSpeed <FO>::perform_test_di (FO &fft, const char *class_name_0)
+{
+ assert (&fft != 0);
+ assert (class_name_0 != 0);
+
+ const long len = fft.get_length ();
+ const long nbr_tests = limit (
+ static_cast <long> (NBR_SPD_TESTS / len / len),
+ 1L,
+ static_cast <long> (MAX_NBR_TESTS)
+ );
+
+ TestWhiteNoiseGen <DataType> noise;
+ std::vector <DataType> x (len, 0);
+ std::vector <DataType> s (len);
+ std::vector <DataType> y (len);
+ noise.generate (&x [0], len);
+
+ printf (
+ "%s::do_fft () / do_ifft () / rescale () speed test [%ld samples]... ",
+ class_name_0,
+ len
+ );
+ fflush (stdout);
+
+ stopwatch::StopWatch chrono;
+
+ chrono.start ();
+ for (long test = 0; test < nbr_tests; ++ test)
+ {
+ fft.do_fft (&s [0], &x [0]);
+ fft.do_ifft (&s [0], &y [0]);
+ fft.rescale (&y [0]);
+ chrono.stop_lap ();
+ }
+
+ printf ("%.1f clocks/sample\n", chrono.get_time_best_lap (len));
+
+ return (0);
+}
+
+
+
+/*\\\ PROTECTED \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
+
+
+
+/*\\\ PRIVATE \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
+
+
+
+#endif // TestSpeed_CODEHEADER_INCLUDED
+
+#undef TestSpeed_CURRENT_CODEHEADER
+
+
+
+/*\\\ EOF \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/