diff options
Diffstat (limited to 'gr-blocks/lib/qa_fxpt_nco.cc')
-rw-r--r-- | gr-blocks/lib/qa_fxpt_nco.cc | 122 |
1 files changed, 0 insertions, 122 deletions
diff --git a/gr-blocks/lib/qa_fxpt_nco.cc b/gr-blocks/lib/qa_fxpt_nco.cc deleted file mode 100644 index 63c0a92902..0000000000 --- a/gr-blocks/lib/qa_fxpt_nco.cc +++ /dev/null @@ -1,122 +0,0 @@ -/* -*- c++ -*- */ -/* - * Copyright 2004,2013 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_fxpt_nco.h> -#include <blocks/fxpt_nco.h> -#include <blocks/nco.h> -#include <cppunit/TestAssert.h> -#include <iostream> -#include <stdio.h> -#include <unistd.h> -#include <math.h> - -using namespace gr::blocks; - -static const float SIN_COS_TOLERANCE = 1e-5; - -//static const float SIN_COS_FREQ = 5003; -static const float SIN_COS_FREQ = 4096; - -static const int SIN_COS_BLOCK_SIZE = 100000; - -static double max_d(double a, double b) -{ - return fabs(a) > fabs(b) ? a : b; -} - -void -qa_fxpt_nco::t0() -{ - nco<float,float> ref_nco; - fxpt_nco new_nco; - double max_error = 0, max_phase_error = 0; - - ref_nco.set_freq((float)(2 * M_PI / SIN_COS_FREQ)); - new_nco.set_freq((float)(2 * M_PI / SIN_COS_FREQ)); - - CPPUNIT_ASSERT_DOUBLES_EQUAL(ref_nco.get_freq(), new_nco.get_freq(), SIN_COS_TOLERANCE); - - for(int i = 0; i < SIN_COS_BLOCK_SIZE; i++) { - float ref_sin = ref_nco.sin(); - float new_sin = new_nco.sin(); - //printf ("i = %6d\n", i); - CPPUNIT_ASSERT_DOUBLES_EQUAL(ref_sin, new_sin, SIN_COS_TOLERANCE); - - max_error = max_d(max_error, ref_sin-new_sin); - - float ref_cos = ref_nco.cos(); - float new_cos = new_nco.cos(); - CPPUNIT_ASSERT_DOUBLES_EQUAL(ref_cos, new_cos, SIN_COS_TOLERANCE); - - max_error = max_d(max_error, ref_cos-new_cos); - - ref_nco.step(); - new_nco.step(); - - CPPUNIT_ASSERT_DOUBLES_EQUAL(ref_nco.get_phase(), new_nco.get_phase(), SIN_COS_TOLERANCE); - - max_phase_error = max_d(max_phase_error, ref_nco.get_phase()-new_nco.get_phase()); - } - // printf("Fxpt max error %.9f, max phase error %.9f\n", max_error, max_phase_error); -} - -void -qa_fxpt_nco::t1() -{ - nco<float,float> ref_nco; - fxpt_nco new_nco; - gr_complex ref_block[SIN_COS_BLOCK_SIZE]; - gr_complex new_block[SIN_COS_BLOCK_SIZE]; - double max_error = 0; - - ref_nco.set_freq((float)(2 * M_PI / SIN_COS_FREQ)); - new_nco.set_freq((float)(2 * M_PI / SIN_COS_FREQ)); - - CPPUNIT_ASSERT_DOUBLES_EQUAL(ref_nco.get_freq(), new_nco.get_freq(), SIN_COS_TOLERANCE); - - ref_nco.sincos((gr_complex*)ref_block, SIN_COS_BLOCK_SIZE); - new_nco.sincos((gr_complex*)new_block, SIN_COS_BLOCK_SIZE); - - for(int i = 0; i < SIN_COS_BLOCK_SIZE; i++) { - CPPUNIT_ASSERT_DOUBLES_EQUAL(ref_block[i].real(), new_block[i].real(), SIN_COS_TOLERANCE); - max_error = max_d(max_error, ref_block[i].real()-new_block[i].real()); - - CPPUNIT_ASSERT_DOUBLES_EQUAL(ref_block[i].imag(), new_block[i].imag(), SIN_COS_TOLERANCE); - max_error = max_d(max_error, ref_block[i].imag()-new_block[i].imag()); - } - CPPUNIT_ASSERT_DOUBLES_EQUAL(ref_nco.get_phase(), new_nco.get_phase(), SIN_COS_TOLERANCE); - // printf("Fxpt max error %.9f, max phase error %.9f\n", max_error, max_phase_error); -} - -void -qa_fxpt_nco::t2() -{ -} - -void -qa_fxpt_nco::t3() -{ -} |