/*========================================================================= Library: CTK Copyright (c) Kitware Inc. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0.txt Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. =========================================================================*/ // Qt includes #include #include // CTK includes #include "ctkUtils.h" // STD includes #include #include #include #include bool testSignificantDecimals(double value, int expected) { int decimals = ctk::significantDecimals(value); if (decimals != expected) { std::cerr << std::fixed << value << " decimals: " << decimals << " -> " << expected << std::endl; return true; } return false; } //----------------------------------------------------------------------------- int ctkUtilsSignificantDecimalsTest1(int , char * [] ) { std::cout.precision(16); if (testSignificantDecimals(123456., 0)) { return EXIT_FAILURE; } if (testSignificantDecimals(123456.1, 1)) { return EXIT_FAILURE; } if (testSignificantDecimals(123456.12, 2)) { return EXIT_FAILURE; } if (testSignificantDecimals(123456.123, 3)) { return EXIT_FAILURE; } if (testSignificantDecimals(123456.122, 3)) { return EXIT_FAILURE; } if (testSignificantDecimals(123456.1223, 4)) { return EXIT_FAILURE; } if (testSignificantDecimals(123456.1234, 4)) { return EXIT_FAILURE; } if (testSignificantDecimals(123456.0123, 4)) { return EXIT_FAILURE; } if (testSignificantDecimals(123456.0012, 4)) { return EXIT_FAILURE; } if (testSignificantDecimals(123456.001234, 6)) { return EXIT_FAILURE; } if (testSignificantDecimals(123456.000123, 6)) { return EXIT_FAILURE; } if (testSignificantDecimals(123456.0000, 0)) { return EXIT_FAILURE; } if (testSignificantDecimals(123456.0001, 4)) { return EXIT_FAILURE; } if (testSignificantDecimals(123456.3333333, 2)) { return EXIT_FAILURE; } if (testSignificantDecimals(123456.1333333, 3)) { return EXIT_FAILURE; } if (testSignificantDecimals(123456.3333334, 2)) { return EXIT_FAILURE; } if (testSignificantDecimals(123456.00122, 5)) { return EXIT_FAILURE; } if (testSignificantDecimals(123456.00123, 5)) { return EXIT_FAILURE; } // internally representated as 123456.001109999997425 if (testSignificantDecimals(123456.00111, 5)) { return EXIT_FAILURE; } // internally representated as 123456.270000000004075 if (testSignificantDecimals(123456.26999999999999996, 2)) { return EXIT_FAILURE; } if (testSignificantDecimals(123456.863899999999987, 4)) { return EXIT_FAILURE; } if (testSignificantDecimals(0.5, 1)) { return EXIT_FAILURE; } if (testSignificantDecimals(0.25, 2)) { return EXIT_FAILURE; } if (testSignificantDecimals(0.125, 3)) { return EXIT_FAILURE; } if (testSignificantDecimals(0.1234567891013151, 16)) { return EXIT_FAILURE; } return EXIT_SUCCESS; }