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77 lines
3.2 KiB
C++
77 lines
3.2 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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/// OpenGL Mathematics (glm.g-truc.net)
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///
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/// Copyright (c) 2005 - 2015 G-Truc Creation (www.g-truc.net)
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/// Permission is hereby granted, free of charge, to any person obtaining a copy
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/// of this software and associated documentation files (the "Software"), to deal
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/// in the Software without restriction, including without limitation the rights
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/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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/// copies of the Software, and to permit persons to whom the Software is
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/// furnished to do so, subject to the following conditions:
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///
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/// The above copyright notice and this permission notice shall be included in
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/// all copies or substantial portions of the Software.
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///
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/// Restrictions:
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/// By making use of the Software for military purposes, you choose to make
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/// a Bunny unhappy.
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///
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/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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/// THE SOFTWARE.
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///
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/// @file test/gtx/gtx_fast_square_root.cpp
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/// @date 2013-10-25 / 2014-11-25
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/// @author Christophe Riccio
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///////////////////////////////////////////////////////////////////////////////////
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#include <glm/gtx/fast_square_root.hpp>
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#include <glm/gtc/type_precision.hpp>
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#include <glm/gtc/epsilon.hpp>
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#include <glm/vector_relational.hpp>
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int test_fastInverseSqrt()
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{
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int Error(0);
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Error += glm::epsilonEqual(glm::fastInverseSqrt(1.0f), 1.0f, 0.01f) ? 0 : 1;
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Error += glm::epsilonEqual(glm::fastInverseSqrt(1.0), 1.0, 0.01) ? 0 : 1;
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Error += glm::all(glm::epsilonEqual(glm::fastInverseSqrt(glm::vec2(1.0f)), glm::vec2(1.0f), 0.01f)) ? 0 : 1;
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Error += glm::all(glm::epsilonEqual(glm::fastInverseSqrt(glm::dvec3(1.0)), glm::dvec3(1.0), 0.01)) ? 0 : 1;
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Error += glm::all(glm::epsilonEqual(glm::fastInverseSqrt(glm::dvec4(1.0)), glm::dvec4(1.0), 0.01)) ? 0 : 1;
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return 0;
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}
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int test_fastDistance()
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{
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int Error(0);
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glm::mediump_f32 A = glm::fastDistance(glm::mediump_f32(0.0f), glm::mediump_f32(1.0f));
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glm::mediump_f32 B = glm::fastDistance(glm::mediump_f32vec2(0.0f), glm::mediump_f32vec2(1.0f, 0.0f));
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glm::mediump_f32 C = glm::fastDistance(glm::mediump_f32vec3(0.0f), glm::mediump_f32vec3(1.0f, 0.0f, 0.0f));
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glm::mediump_f32 D = glm::fastDistance(glm::mediump_f32vec4(0.0f), glm::mediump_f32vec4(1.0f, 0.0f, 0.0f, 0.0f));
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Error += glm::epsilonEqual(A, glm::mediump_f32(1.0f), glm::mediump_f32(0.01f)) ? 0 : 1;
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Error += glm::epsilonEqual(B, glm::mediump_f32(1.0f), glm::mediump_f32(0.01f)) ? 0 : 1;
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Error += glm::epsilonEqual(C, glm::mediump_f32(1.0f), glm::mediump_f32(0.01f)) ? 0 : 1;
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Error += glm::epsilonEqual(D, glm::mediump_f32(1.0f), glm::mediump_f32(0.01f)) ? 0 : 1;
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return Error;
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}
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int main()
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{
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int Error(0);
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Error += test_fastInverseSqrt();
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Error += test_fastDistance();
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return Error;
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}
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