// The MIT License (MIT) // // Copyright (c) 2018 Mateusz Pusz // // Permission is hereby granted, free of charge, to any person obtaining a copy // of this software and associated documentation files (the "Software"), to deal // in the Software without restriction, including without limitation the rights // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell // copies of the Software, and to permit persons to whom the Software is // furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in all // copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE // SOFTWARE. #include "units/math.h" #include "units/physical/si/area.h" #include "units/physical/si/volume.h" #include using namespace units; using namespace units::si; // classical TEST_CASE("'pow()' on quantity changes the value and the dimension accordingly", "[math][pow]") { SECTION ("'pow<0>(q)' returns '1'") { CHECK(pow<0>(2q_m) == 1); } SECTION ("'pow<1>(q)' returns 'q'") { CHECK(pow<1>(2q_m) == 2q_m); } SECTION ("'pow<2>(q)' squares both the value and a dimension") { CHECK(pow<2>(2q_m) == 4q_m2); } SECTION ("'pow<3>(q)' cubes both the value and a dimension") { CHECK(pow<3>(2q_m) == 8q_m3); } } TEST_CASE("'sqrt()' on quantity changes the value and the dimension accordingly", "[math][sqrt]") { REQUIRE(sqrt(4q_m2) == 2q_m); } TEST_CASE("absolute functions on quantity returns the absolute value", "[math][abs][fabs]") { SECTION ("'abs()' on a negative quantity returns the abs") { REQUIRE(abs(-1q_m) == 1q_m); } SECTION ("'abs()' on a positive quantity returns the abs") { REQUIRE(abs(1q_m) == 1q_m); } SECTION ("'fabs()' on a negative quantity returns the abs") { REQUIRE(fabs(-1.q_m) == 1.q_m); } SECTION ("'fabs()' on a positive quantity returns the abs") { REQUIRE(fabs(1.q_m) == 1.q_m); } } TEST_CASE("numeric_limits functions", "[limits]") { SECTION ("'epsilon' works as expected using default floating type") { REQUIRE(epsilon().count() == std::numeric_limits::epsilon()); } SECTION ("'epsilon' works as expected using integers") { REQUIRE(epsilon().count() == std::numeric_limits::epsilon()); } SECTION ("'epsilon' works as expected using mixed Rep types") { REQUIRE(epsilon().count() != std::numeric_limits::epsilon()); } }