150 lines
3.8 KiB
C++
150 lines
3.8 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/core/func_exponential.cpp
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/// @date 2011-01-15 / 2011-09-13
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/// @author Christophe Riccio
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///////////////////////////////////////////////////////////////////////////////////
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#include <glm/common.hpp>
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#include <glm/exponential.hpp>
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#include <glm/gtc/ulp.hpp>
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#include <glm/gtc/vec1.hpp>
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int test_pow()
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{
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int Error(0);
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float A = glm::pow(10.f, 10.f);
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glm::vec1 B = glm::pow(glm::vec1(10.f), glm::vec1(10.f));
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glm::vec2 C = glm::pow(glm::vec2(10.f), glm::vec2(10.f));
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glm::vec3 D = glm::pow(glm::vec3(10.f), glm::vec3(10.f));
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glm::vec4 E = glm::pow(glm::vec4(10.f), glm::vec4(10.f));
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return Error;
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}
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int test_exp()
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{
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int Error(0);
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float A = glm::exp(10.f);
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glm::vec1 B = glm::exp(glm::vec1(10.f));
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glm::vec2 C = glm::exp(glm::vec2(10.f));
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glm::vec3 D = glm::exp(glm::vec3(10.f));
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glm::vec4 E = glm::exp(glm::vec4(10.f));
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return Error;
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}
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int test_log()
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{
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int Error(0);
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float A = glm::log(10.f);
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glm::vec1 B = glm::log(glm::vec1(10.f));
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glm::vec2 C = glm::log(glm::vec2(10.f));
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glm::vec3 D = glm::log(glm::vec3(10.f));
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glm::vec4 E = glm::log(glm::vec4(10.f));
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return Error;
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}
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int test_exp2()
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{
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int Error(0);
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float A = glm::exp2(10.f);
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glm::vec1 B = glm::exp2(glm::vec1(10.f));
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glm::vec2 C = glm::exp2(glm::vec2(10.f));
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glm::vec3 D = glm::exp2(glm::vec3(10.f));
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glm::vec4 E = glm::exp2(glm::vec4(10.f));
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return Error;
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}
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int test_log2()
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{
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int Error(0);
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float A = glm::log2(10.f);
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glm::vec1 B = glm::log2(glm::vec1(10.f));
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glm::vec2 C = glm::log2(glm::vec2(10.f));
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glm::vec3 D = glm::log2(glm::vec3(10.f));
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glm::vec4 E = glm::log2(glm::vec4(10.f));
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return Error;
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}
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int test_sqrt()
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{
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int Error(0);
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float A = glm::sqrt(10.f);
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glm::vec1 B = glm::sqrt(glm::vec1(10.f));
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glm::vec2 C = glm::sqrt(glm::vec2(10.f));
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glm::vec3 D = glm::sqrt(glm::vec3(10.f));
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glm::vec4 E = glm::sqrt(glm::vec4(10.f));
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return Error;
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}
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int test_inversesqrt()
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{
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int Error(0);
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glm::uint ulp(0);
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float diff(0.0f);
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for(float f = 0.001f; f < 10.f; f *= 1.001f)
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{
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glm::lowp_fvec1 u(f);
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glm::lowp_fvec1 lowp_v = glm::inversesqrt(u);
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float defaultp_v = glm::inversesqrt(f);
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ulp = glm::max(glm::float_distance(lowp_v.x, defaultp_v), ulp);
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diff = glm::abs(lowp_v.x - defaultp_v);
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}
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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_pow();
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Error += test_exp();
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Error += test_log();
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Error += test_exp2();
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Error += test_log2();
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Error += test_sqrt();
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Error += test_inversesqrt();
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return Error;
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}
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