117 lines
4.4 KiB
C++
117 lines
4.4 KiB
C++
// =====================================================================================================================
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// fennec, a free and open source game engine
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// Copyright © 2025 - 2026 Medusa Slockbower
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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// =====================================================================================================================
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#ifndef FENNEC_TEST_MATH_TRIGONOMETRIC_H
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#define FENNEC_TEST_MATH_TRIGONOMETRIC_H
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#include <fennec/math/trigonometric.h>
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#include <fennec/math/ext/constants.h>
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#include "../../test.h"
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namespace fennec::test
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{
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inline void fennec_test_math_trigonometric()
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{
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fennec_test_section("angle conversions");
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fennec_test_spacer(1);
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fennec_test_run(fennec::radians( 45.0f), fennec::quarter_pi<float>());
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fennec_test_run(fennec::radians( 90.0f), fennec::half_pi<float>());
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fennec_test_run(fennec::radians(180.0f), fennec::pi<float>());
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fennec_test_run(fennec::radians(270.0f), fennec::three_halves_pi<float>());
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fennec_test_run(fennec::radians(360.0f), fennec::two_pi<float>());
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fennec_test_spacer(1);
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fennec_test_run(fennec::degrees(fennec::quarter_pi<float>()), 45.0f);
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fennec_test_run(fennec::degrees(fennec::half_pi<float>()), 90.0f);
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fennec_test_run(fennec::degrees(fennec::pi<float>()), 180.0f);
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fennec_test_run(fennec::degrees(fennec::three_halves_pi<float>()), 270.0f);
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fennec_test_run(fennec::degrees(fennec::two_pi<float>()), 360.0f);
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fennec_test_spacer(2);
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fennec_test_section("trig functions");
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fennec_test_spacer(1);
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fennec_test_run(fennec::sin(fennec::sixth_pi<float>()), one_half<float>());
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fennec_test_run(fennec::cos(fennec::sixth_pi<float>()), sqrt_three<float>() / 2.0f);
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fennec_test_run(fennec::tan(fennec::sixth_pi<float>()), sqrt_three<float>() / 3.0f);
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fennec_test_spacer(1);
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fennec_test_run(fennec::asin(one_half<float>()), fennec::sixth_pi<float>());
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fennec_test_run(fennec::acos(sqrt_three<float>() / 2.0f), fennec::sixth_pi<float>());
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fennec_test_run(fennec::atan(sqrt_three<float>() / 3.0f), fennec::sixth_pi<float>());
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fennec_test_spacer(2);
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fennec_test_run(fennec::sin(fennec::quarter_pi<float>()), sqrt_two<float>() / 2.0f);
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fennec_test_run(fennec::cos(fennec::quarter_pi<float>()), sqrt_two<float>() / 2.0f);
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fennec_test_run(fennec::tan(fennec::quarter_pi<float>()), 1.0f);
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fennec_test_spacer(1);
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fennec_test_run(fennec::asin(sqrt_two<float>() / 2.0f), fennec::quarter_pi<float>());
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fennec_test_run(fennec::acos(sqrt_two<float>() / 2.0f), fennec::quarter_pi<float>());
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fennec_test_run(fennec::atan(1.0f), fennec::quarter_pi<float>());
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fennec_test_spacer(2);
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fennec_test_section("hyperbolic functions");
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fennec_test_spacer(1);
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fennec_test_run(fennec::sinh(0.0f), 0.0f);
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fennec_test_run(fennec::cosh(0.0f), 1.0f);
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fennec_test_run(fennec::tanh(0.0f), 0.0f);
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fennec_test_spacer(1);
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fennec_test_run(fennec::asinh(0.0f), 0.0f);
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fennec_test_run(fennec::acosh(1.0f), 0.0f);
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fennec_test_run(fennec::atanh(0.0f), 0.0f);
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fennec_test_spacer(2);
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fennec_test_run(fennec::sinh(1.0f), (fennec::e<float>() - fennec::one_over_e<float>()) / 2.0f);
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fennec_test_run(fennec::cosh(1.0f), (fennec::e<float>() + fennec::one_over_e<float>()) / 2.0f);
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fennec_test_run(fennec::tanh(1.0f), ((fennec::e_raised_two<float>() - 1) / (fennec::e_raised_two<float>() + 1)));
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fennec_test_spacer(1);
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fennec_test_run(fennec::asinh((fennec::e<float>() - fennec::one_over_e<float>()) / 2.0f), 1.0f);
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fennec_test_run(fennec::acosh((fennec::e<float>() + fennec::one_over_e<float>()) / 2.0f), 1.0f);
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fennec_test_run(fennec::atanh(((fennec::e_raised_two<float>() - 1) / (fennec::e_raised_two<float>() + 1))), 1.0f);
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}
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}
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#endif // FENNEC_TEST_MATH_TRIGONOMETRIC_H
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