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/*
* Copyright 2008 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.
*/
#include <gnuradio/math.h>
#include <qa_math.h>
#include <cppunit/TestAssert.h>
#include <stdio.h>
void
qa_math::test_binary_slicer1()
{
float x[5] = {-1, -0.5, 0, 0.5, 1.0};
unsigned int z[5] = {0, 0, 1, 1, 1};
unsigned int y;
//printf("\nBinary\n");
for(unsigned int i = 0; i < 5; i++) {
y = gr::binary_slicer(x[i]);
//printf("in: %f out: %d desired: %d\n", x[i], y, z[i]);
CPPUNIT_ASSERT_DOUBLES_EQUAL(y, z[i], 1e-9);
}
//printf("\nBranchless Binary\n");
for (unsigned int i = 0; i < 5; i++) {
y = gr::branchless_binary_slicer(x[i]);
//printf("in: %f out: %d desired: %d\n", x[i], y, z[i]);
CPPUNIT_ASSERT_DOUBLES_EQUAL(y, z[i], 1e-9);
}
}
void
qa_math::test_quad_0deg_slicer1()
{
gr_complex x[4] = {gr_complex(1, 0),
gr_complex(0, 1),
gr_complex(-1, 0),
gr_complex(0, -1)};
unsigned int z[4] = {0, 1, 2, 3};
unsigned int y;
//printf("\nQuad0\n");
for (unsigned int i = 0; i < 4; i++) {
y = gr::quad_0deg_slicer(x[i]);
//printf("in: %.4f+j%.4f out: %d desired: %d\n", x[i].real(), x[i].imag(), y, z[i]);
CPPUNIT_ASSERT_DOUBLES_EQUAL(y, z[i], 1e-9);
}
//printf("\nBranchless Quad0\n");
for (unsigned int i = 0; i < 4; i++) {
y = gr::branchless_quad_0deg_slicer(x[i]);
//printf("in: %.4f+j%.4f out: %d desired: %d\n", x[i].real(), x[i].imag(), y, z[i]);
CPPUNIT_ASSERT_DOUBLES_EQUAL(y, z[i], 1e-9);
}
}
void
qa_math::test_quad_45deg_slicer1()
{
gr_complex x[4] = {gr_complex(0.707, 0.707),
gr_complex(-0.707, 0.707),
gr_complex(-0.707, -0.707),
gr_complex(0.707, -0.707)};
unsigned int z[4] = {0, 1, 2, 3};
unsigned int y;
//printf("\nQuad45\n");
for (unsigned int i = 0; i < 4; i++) {
y = gr::quad_45deg_slicer(x[i]);
//printf("in: %.4f+j%.4f out: %d desired: %d\n", x[i].real(), x[i].imag(), y, z[i]);
CPPUNIT_ASSERT_DOUBLES_EQUAL(y, z[i], 1e-9);
}
//printf("\nBranchless Quad45\n");
for (unsigned int i = 0; i < 4; i++) {
y = gr::branchless_quad_45deg_slicer(x[i]);
//printf("in: %.4f+j%.4f out: %d desired: %d\n", x[i].real(), x[i].imag(), y, z[i]);
CPPUNIT_ASSERT_DOUBLES_EQUAL(y, z[i], 1e-9);
}
}
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