Qucs-core
0.0.19
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00001 /* 00002 * Math.cpp - Unit test for math operations 00003 * 00004 * Copyright (C) 2015 Guilherme Brondani Torri <guitorri@gmail.com> 00005 * 00006 * This is free software; you can redistribute it and/or modify 00007 * it under the terms of the GNU General Public License as published by 00008 * the Free Software Foundation; either version 2, or (at your option) 00009 * any later version. 00010 * 00011 * This software is distributed in the hope that it will be useful, 00012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00014 * GNU General Public License for more details. 00015 * 00016 * You should have received a copy of the GNU General Public License 00017 * along with this package; see the file COPYING. If not, write to 00018 * the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor, 00019 * Boston, MA 02110-1301, USA. 00020 * 00021 */ 00022 00023 #include "qucs_typedefs.h" 00024 #include "real.h" 00025 #include "complex.h" 00026 00027 #include "testDefine.h" // constants used on tests 00028 #include "gtest/gtest.h" // Google Test 00029 00030 TEST(Real, sqrt) { 00031 ASSERT_EQ (18.0, qucs::sqrt (324.0)); 00032 ASSERT_EQ (0.0, qucs::sqrt (0.0)); 00033 //ASSERT_EQ (-1, qucs::sqrt(-22.0)); //error NaN (depending on implementation) 00034 } 00035 00036 TEST(Real, round) { 00037 ASSERT_EQ (1.0, qucs::round (1.4)); 00038 } 00039 TEST(real, trunc) { 00040 ASSERT_EQ (2.0, qucs::round (2.3)); 00041 } 00042 00043 TEST(Real, jn_BesselFistKind) { 00044 // FIXME not in qucs:: 00045 EXPECT_NEAR ( 0.44, jn (1, 1), 0.0001); 00046 } 00047 00048 TEST(Real, Factorial) { 00049 ASSERT_EQ ( 479001600, qucs::factorial (12) ); 00050 } 00051 00052 TEST (Complex, cos) { 00053 nr_complex_t z = nr_complex_t (1.0, 1.0); 00054 EXPECT_NEAR ( 0.83373002, qucs::cos (z).real(), tol); 00055 EXPECT_NEAR (-0.98889770, qucs::cos (z).imag(), tol); 00056 } 00057 00058 TEST (Complex, jn_BesselFistKind) { 00059 nr_complex_t z = nr_complex_t (1.0, 1.0); 00060 EXPECT_NEAR ( 0.61416033492290361, qucs::jn (1, z).real(), tol); 00061 EXPECT_NEAR ( 0.36502802882708778, qucs::jn (1, z).imag(), tol); 00062 }