qa_gr_fir_fff.cc \
qa_gr_fir_ccc.cc \
qa_gr_fir_scc.cc \
- qa_gri_mmse_fir_interpolator.cc
+ qa_gri_mmse_fir_interpolator.cc \
+ qa_gri_mmse_fir_interpolator_cc.cc
if MD_CPU_generic
libfilter_la_SOURCES = $(libfilter_la_common_SOURCES) $(generic_CODE)
qa_gr_fir_fff.h \
qa_gr_fir_ccc.h \
qa_gr_fir_scc.h \
- qa_gri_mmse_fir_interpolator.h
+ qa_gri_mmse_fir_interpolator.h \
+ qa_gri_mmse_fir_interpolator_cc.h
/* -*- c++ -*- */
/*
- * Copyright 2002 Free Software Foundation, Inc.
+ * Copyright 2002,2007 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
#include <assert.h>
#include <malloc16.h>
#include <iostream>
+#include <stdexcept>
using std::cerr;
using std::endl;
if (ntaps () == 0)
return 0.0;
+ if (((intptr_t) input & 0x7) != 0)
+ throw std::invalid_argument("gr_complex must be 8-byte aligned");
// Round input data address down to 16 byte boundary
// NB: depending on the alignment of input[], memory
/* -*- c++ -*- */
/*
- * Copyright 2002 Free Software Foundation, Inc.
+ * Copyright 2002,2007 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
#include <assert.h>
#include <malloc16.h>
#include <iostream>
+#include <stdexcept>
using std::cerr;
using std::endl;
if (ntaps () == 0)
return 0.0;
+ if (((intptr_t) input & 0x7) != 0)
+ throw std::invalid_argument("gr_complex must be 8-byte aligned");
// Round input data address down to 16 byte boundary
// NB: depending on the alignment of input[], memory
/* -*- c++ -*- */
/*
- * Copyright 2002 Free Software Foundation, Inc.
+ * Copyright 2002,2007 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
/*!
* \brief compute a single interpolated output value.
- * \p input must have ntaps() valid entries.
+ *
+ * \p input must have ntaps() valid entries and be 8-byte aligned.
* input[0] .. input[ntaps() - 1] are referenced to compute the output value.
+ * \throws std::invalid_argument if input is not 8-byte aligned.
*
* \p mu must be in the range [0, 1] and specifies the fractional delay.
*
/*
- * Copyright 2002 Free Software Foundation, Inc.
+ * Copyright 2002,2007 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
#include <qa_gr_firdes.h>
#include <qa_dotprod.h>
#include <qa_gri_mmse_fir_interpolator.h>
+#include <qa_gri_mmse_fir_interpolator_cc.h>
CppUnit::TestSuite *
qa_filter::suite ()
s->addTest (qa_dotprod_suite ());
s->addTest (qa_gri_mmse_fir_interpolator::suite ());
+ s->addTest (qa_gri_mmse_fir_interpolator_cc::suite ());
s->addTest (qa_gr_fir_fff::suite ());
s->addTest (qa_gr_fir_ccc::suite ());
s->addTest (qa_gr_fir_fcc::suite ());
--- /dev/null
+/* -*- c++ -*- */
+/*
+ * Copyright 2002,2007 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 <cppunit/TestAssert.h>
+#include <qa_gri_mmse_fir_interpolator_cc.h>
+#include <gri_mmse_fir_interpolator_cc.h>
+#include <stdio.h>
+#include <cmath>
+#include <stdexcept>
+
+#define NELEM(x) (sizeof (x) / sizeof (x[0]))
+
+
+static float
+test_fcn_sin(double index)
+{
+ return (2 * sin (index * 0.25 * 2 * M_PI + 0.125 * M_PI)
+ + 3 * sin (index * 0.077 * 2 * M_PI + 0.3 * M_PI));
+}
+
+static float
+test_fcn_cos(double index)
+{
+ return (2 * cos (index * 0.25 * 2 * M_PI + 0.125 * M_PI)
+ + 3 * cos (index * 0.077 * 2 * M_PI + 0.3 * M_PI));
+}
+
+static gr_complex
+test_fcn(double index)
+{
+ return gr_complex(test_fcn_cos(index), test_fcn_sin(index));
+}
+
+
+void
+qa_gri_mmse_fir_interpolator_cc::t1()
+{
+ static const unsigned N = 100;
+ gr_complex input[N + 10];
+
+ for (unsigned i = 0; i < NELEM(input); i++)
+ input[i] = test_fcn ((double) i);
+
+ gri_mmse_fir_interpolator_cc intr;
+ float inv_nsteps = 1.0 / intr.nsteps ();
+
+ for (unsigned i = 0; i < N; i++){
+ for (unsigned imu = 0; imu <= intr.nsteps (); imu += 1){
+ gr_complex expected = test_fcn ((i + 3) + imu * inv_nsteps);
+ gr_complex actual = intr.interpolate (&input[i], imu * inv_nsteps);
+
+ CPPUNIT_ASSERT_COMPLEXES_EQUAL (expected, actual, 0.004);
+ // printf ("%9.6f %9.6f %9.6f\n", expected, actual, expected - actual);
+ }
+ }
+}
+
+
+/*
+ * Force bad alignment and confirm that it raises an exception
+ */
+void
+qa_gri_mmse_fir_interpolator_cc::t2_body()
+{
+ static const unsigned N = 100;
+ float float_input[2*(N+10) + 1];
+ gr_complex *input;
+
+ // We require that gr_complex be aligned on an 8-byte boundary.
+ // Ensure that we ARE NOT ;)
+
+ if (((intptr_t) float_input & 0x7) == 0)
+ input = reinterpret_cast<gr_complex *>(&float_input[1]);
+ else
+ input = reinterpret_cast<gr_complex *>(&float_input[0]);
+
+
+ for (unsigned i = 0; i < (N+10); i++)
+ input[i] = test_fcn ((double) i);
+
+ gri_mmse_fir_interpolator_cc intr;
+ float inv_nsteps = 1.0 / intr.nsteps ();
+
+ for (unsigned i = 0; i < N; i++){
+ for (unsigned imu = 0; imu <= intr.nsteps (); imu += 1){
+ gr_complex expected = test_fcn ((i + 3) + imu * inv_nsteps);
+ gr_complex actual = intr.interpolate (&input[i], imu * inv_nsteps);
+
+ CPPUNIT_ASSERT_COMPLEXES_EQUAL (expected, actual, 0.004);
+ // printf ("%9.6f %9.6f %9.6f\n", expected, actual, expected - actual);
+ }
+ }
+}
+
+void
+qa_gri_mmse_fir_interpolator_cc::t2()
+{
+ CPPUNIT_ASSERT_THROW(t2_body(), std::invalid_argument);
+}
--- /dev/null
+/* -*- c++ -*- */
+/*
+ * Copyright 2002,2007 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_GRI_MMSE_FIR_INTERPOLATOR_CC_H_
+#define _QA_GRI_MMSE_FIR_INTERPOLATOR_CC_H_
+
+#include <cppunit/extensions/HelperMacros.h>
+#include <cppunit/TestCase.h>
+
+class qa_gri_mmse_fir_interpolator_cc : public CppUnit::TestCase {
+
+ CPPUNIT_TEST_SUITE(qa_gri_mmse_fir_interpolator_cc);
+ CPPUNIT_TEST(t1);
+ // CPPUNIT_TEST(t2);
+ CPPUNIT_TEST_SUITE_END();
+
+ private:
+ void t1();
+ void t2();
+ void t2_body();
+
+};
+
+#endif /* _QA_GRI_MMSE_FIR_INTERPOLATOR_CC_H_ */
/* -*- c++ -*- */
/*
- * Copyright 2004 Free Software Foundation, Inc.
+ * Copyright 2004,2007 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
static const unsigned int DLLEN = 8;
//! delay line plus some length for overflow protection
- gr_complex d_dl[2*DLLEN];
+ gr_complex d_dl[2*DLLEN] __attribute__ ((aligned(8)));
//! index to delay line
unsigned int d_dl_idx;
projects / debian / gnuradio / commitdiff