/deps/glm-0.9.4.0/test/core/core_func_common.cpp
C++ | 425 lines | 356 code | 57 blank | 12 comment | 104 complexity | 3b7fb4778b54ee2380bf2f24bd4d6726 MD5 | raw file
- ///////////////////////////////////////////////////////////////////////////////////////////////////
- // OpenGL Mathematics Copyright (c) 2005 - 2012 G-Truc Creation (www.g-truc.net)
- ///////////////////////////////////////////////////////////////////////////////////////////////////
- // Created : 2011-01-15
- // Updated : 2011-09-13
- // Licence : This source is under MIT licence
- // File : test/core/func_common.cpp
- ///////////////////////////////////////////////////////////////////////////////////////////////////
-
- //#include <boost/array.hpp>
- //#include <boost/date_time/posix_time/posix_time.hpp>
- //#include <boost/thread/thread.hpp>
- #include <glm/glm.hpp>
- #include <glm/gtc/epsilon.hpp>
- #include <cstdio>
-
- int test_modf()
- {
- int Error(0);
-
- {
- float X(1.5f);
- float I(0.0f);
- float A = glm::modf(X, I);
-
- Error += I == 1.0f ? 0 : 1;
- Error += A == 0.5f ? 0 : 1;
- }
-
- {
- glm::vec4 X(1.1f, 1.2f, 1.5f, 1.7f);
- glm::vec4 I(0.0f);
- glm::vec4 A = glm::modf(X, I);
-
- Error += I == glm::vec4(1.0f) ? 0 : 1;
- Error += glm::all(glm::epsilonEqual(A, glm::vec4(0.1f, 0.2f, 0.5f, 0.7f), 0.00001f)) ? 0 : 1;
- }
-
- {
- glm::dvec4 X(1.1, 1.2, 1.5, 1.7);
- glm::dvec4 I(0.0);
- glm::dvec4 A = glm::modf(X, I);
-
- Error += I == glm::dvec4(1.0) ? 0 : 1;
- Error += glm::all(glm::epsilonEqual(A, glm::dvec4(0.1, 0.2, 0.5, 0.7), 0.000000001)) ? 0 : 1;
- }
-
- {
- double X(1.5);
- double I(0.0);
- double A = glm::modf(X, I);
-
- Error += I == 1.0 ? 0 : 1;
- Error += A == 0.5 ? 0 : 1;
- }
-
- return Error;
- }
-
- int test_floatBitsToInt()
- {
- int Error = 0;
-
- {
- float A = 1.0f;
- int B = glm::floatBitsToInt(A);
- float C = glm::intBitsToFloat(B);
- int D = *(int*)&A;
- Error += B == D ? 0 : 1;
- Error += A == C ? 0 : 1;
- }
-
- {
- glm::vec2 A(1.0f, 2.0f);
- glm::ivec2 B = glm::floatBitsToInt(A);
- glm::vec2 C = glm::intBitsToFloat(B);
- Error += B.x == *(int*)&(A.x) ? 0 : 1;
- Error += B.y == *(int*)&(A.y) ? 0 : 1;
- Error += A == C? 0 : 1;
- }
-
- {
- glm::vec3 A(1.0f, 2.0f, 3.0f);
- glm::ivec3 B = glm::floatBitsToInt(A);
- glm::vec3 C = glm::intBitsToFloat(B);
- Error += B.x == *(int*)&(A.x) ? 0 : 1;
- Error += B.y == *(int*)&(A.y) ? 0 : 1;
- Error += B.z == *(int*)&(A.z) ? 0 : 1;
- Error += A == C? 0 : 1;
- }
-
- {
- glm::vec4 A(1.0f, 2.0f, 3.0f, 4.0f);
- glm::ivec4 B = glm::floatBitsToInt(A);
- glm::vec4 C = glm::intBitsToFloat(B);
- Error += B.x == *(int*)&(A.x) ? 0 : 1;
- Error += B.y == *(int*)&(A.y) ? 0 : 1;
- Error += B.z == *(int*)&(A.z) ? 0 : 1;
- Error += B.w == *(int*)&(A.w) ? 0 : 1;
- Error += A == C? 0 : 1;
- }
-
- return Error;
- }
-
- int test_floatBitsToUint()
- {
- int Error = 0;
-
- {
- float A = 1.0f;
- glm::uint B = glm::floatBitsToUint(A);
- float C = glm::intBitsToFloat(B);
- Error += B == *(glm::uint*)&A ? 0 : 1;
- Error += A == C? 0 : 1;
- }
-
- {
- glm::vec2 A(1.0f, 2.0f);
- glm::uvec2 B = glm::floatBitsToUint(A);
- glm::vec2 C = glm::uintBitsToFloat(B);
- Error += B.x == *(glm::uint*)&(A.x) ? 0 : 1;
- Error += B.y == *(glm::uint*)&(A.y) ? 0 : 1;
- Error += A == C ? 0 : 1;
- }
-
- {
- glm::vec3 A(1.0f, 2.0f, 3.0f);
- glm::uvec3 B = glm::floatBitsToUint(A);
- glm::vec3 C = glm::uintBitsToFloat(B);
- Error += B.x == *(glm::uint*)&(A.x) ? 0 : 1;
- Error += B.y == *(glm::uint*)&(A.y) ? 0 : 1;
- Error += B.z == *(glm::uint*)&(A.z) ? 0 : 1;
- Error += A == C? 0 : 1;
- }
-
- {
- glm::vec4 A(1.0f, 2.0f, 3.0f, 4.0f);
- glm::uvec4 B = glm::floatBitsToUint(A);
- glm::vec4 C = glm::uintBitsToFloat(B);
- Error += B.x == *(glm::uint*)&(A.x) ? 0 : 1;
- Error += B.y == *(glm::uint*)&(A.y) ? 0 : 1;
- Error += B.z == *(glm::uint*)&(A.z) ? 0 : 1;
- Error += B.w == *(glm::uint*)&(A.w) ? 0 : 1;
- Error += A == C? 0 : 1;
- }
-
- return Error;
- }
-
- int test_mix()
- {
- int Error = 0;
-
- {
- float A = glm::mix(0.f, 1.f, true);
- Error += A == 1.f ? 0 : 1;
- float B = glm::mix(0.f, 1.f, false);
- Error += B == 0.f ? 0 : 1;
- }
-
- {
- float A = glm::mix(0.f, 1.f, 1.f);
- Error += A == 1.f ? 0 : 1;
- float B = glm::mix(0.f, 1.f, 0.f);
- Error += B == 0.f ? 0 : 1;
- }
-
- return Error;
- }
-
- int test_round()
- {
- int Error = 0;
-
- {
- float A = glm::round(0.0f);
- Error += A == 0.0f ? 0 : 1;
- float B = glm::round(0.5f);
- Error += B == 1.0f ? 0 : 1;
- float C = glm::round(1.0f);
- Error += C == 1.0f ? 0 : 1;
- float D = glm::round(0.1f);
- Error += D == 0.0f ? 0 : 1;
- float E = glm::round(0.9f);
- Error += E == 1.0f ? 0 : 1;
- float F = glm::round(1.5f);
- Error += F == 2.0f ? 0 : 1;
- float G = glm::round(1.9f);
- Error += G == 2.0f ? 0 : 1;
- }
-
- {
- float A = glm::round(-0.0f);
- Error += A == 0.0f ? 0 : 1;
- float B = glm::round(-0.5f);
- Error += B == -1.0f ? 0 : 1;
- float C = glm::round(-1.0f);
- Error += C == -1.0f ? 0 : 1;
- float D = glm::round(-0.1f);
- Error += D == 0.0f ? 0 : 1;
- float E = glm::round(-0.9f);
- Error += E == -1.0f ? 0 : 1;
- float F = glm::round(-1.5f);
- Error += F == -2.0f ? 0 : 1;
- float G = glm::round(-1.9f);
- Error += G == -2.0f ? 0 : 1;
- }
-
- return Error;
- }
-
- int test_roundEven()
- {
- int Error = 0;
-
- {
- float A = glm::roundEven(-1.5f);
- Error += glm::epsilonEqual(A, -2.0f, 0.0001f) ? 0 : 1;
- Error += 0;
- }
- {
- float A = glm::roundEven(1.5f);
- Error += glm::epsilonEqual(A, 2.0f, 0.0001f) ? 0 : 1;
- Error += 0;
- }
-
- {
- float A = glm::roundEven(-3.5f);
- Error += glm::epsilonEqual(A, -4.0f, 0.0001f) ? 0 : 1;
- Error += 0;
- }
- {
- float A = glm::roundEven(3.5f);
- Error += glm::epsilonEqual(A, 4.0f, 0.0001f) ? 0 : 1;
- Error += 0;
- }
-
- {
- float A = glm::roundEven(-2.5f);
- Error += glm::epsilonEqual(A, -2.0f, 0.0001f) ? 0 : 1;
- Error += 0;
- }
- {
- float A = glm::roundEven(2.5f);
- Error += glm::epsilonEqual(A, 2.0f, 0.0001f) ? 0 : 1;
- Error += 0;
- }
-
- {
- float A = glm::roundEven(-2.4f);
- Error += glm::epsilonEqual(A, -2.0f, 0.0001f) ? 0 : 1;
- Error += 0;
- }
- {
- float A = glm::roundEven(2.4f);
- Error += glm::epsilonEqual(A, 2.0f, 0.0001f) ? 0 : 1;
- Error += 0;
- }
-
- {
- float A = glm::roundEven(-2.6f);
- Error += glm::epsilonEqual(A, -3.0f, 0.0001f) ? 0 : 1;
- Error += 0;
- }
- {
- float A = glm::roundEven(2.6f);
- Error += glm::epsilonEqual(A, 3.0f, 0.0001f) ? 0 : 1;
- Error += 0;
- }
-
- {
- float A = glm::roundEven(-2.0f);
- Error += glm::epsilonEqual(A, -2.0f, 0.0001f) ? 0 : 1;
- Error += 0;
- }
- {
- float A = glm::roundEven(2.0f);
- Error += glm::epsilonEqual(A, 2.0f, 0.0001f) ? 0 : 1;
- Error += 0;
- }
-
- {
- float A = glm::roundEven(0.0f);
- Error += A == 0.0f ? 0 : 1;
- float B = glm::roundEven(0.5f);
- Error += B == 0.0f ? 0 : 1;
- float C = glm::roundEven(1.0f);
- Error += C == 1.0f ? 0 : 1;
- float D = glm::roundEven(0.1f);
- Error += D == 0.0f ? 0 : 1;
- float E = glm::roundEven(0.9f);
- Error += E == 1.0f ? 0 : 1;
- float F = glm::roundEven(1.5f);
- Error += F == 2.0f ? 0 : 1;
- float G = glm::roundEven(1.9f);
- Error += G == 2.0f ? 0 : 1;
- }
-
- {
- float A = glm::roundEven(-0.0f);
- Error += A == 0.0f ? 0 : 1;
- float B = glm::roundEven(-0.5f);
- Error += B == -0.0f ? 0 : 1;
- float C = glm::roundEven(-1.0f);
- Error += C == -1.0f ? 0 : 1;
- float D = glm::roundEven(-0.1f);
- Error += D == 0.0f ? 0 : 1;
- float E = glm::roundEven(-0.9f);
- Error += E == -1.0f ? 0 : 1;
- float F = glm::roundEven(-1.5f);
- Error += F == -2.0f ? 0 : 1;
- float G = glm::roundEven(-1.9f);
- Error += G == -2.0f ? 0 : 1;
- }
-
- {
- float A = glm::roundEven(1.5f);
- Error += A == 2.0f ? 0 : 1;
- float B = glm::roundEven(2.5f);
- Error += B == 2.0f ? 0 : 1;
- float C = glm::roundEven(3.5f);
- Error += C == 4.0f ? 0 : 1;
- float D = glm::roundEven(4.5f);
- Error += D == 4.0f ? 0 : 1;
- float E = glm::roundEven(5.5f);
- Error += E == 6.0f ? 0 : 1;
- float F = glm::roundEven(6.5f);
- Error += F == 6.0f ? 0 : 1;
- float G = glm::roundEven(7.5f);
- Error += G == 8.0f ? 0 : 1;
- }
-
- {
- float A = glm::roundEven(-1.5f);
- Error += A == -2.0f ? 0 : 1;
- float B = glm::roundEven(-2.5f);
- Error += B == -2.0f ? 0 : 1;
- float C = glm::roundEven(-3.5f);
- Error += C == -4.0f ? 0 : 1;
- float D = glm::roundEven(-4.5f);
- Error += D == -4.0f ? 0 : 1;
- float E = glm::roundEven(-5.5f);
- Error += E == -6.0f ? 0 : 1;
- float F = glm::roundEven(-6.5f);
- Error += F == -6.0f ? 0 : 1;
- float G = glm::roundEven(-7.5f);
- Error += G == -8.0f ? 0 : 1;
- }
-
- return Error;
- }
-
- int test_isnan()
- {
- int Error = 0;
-
- float Zero_f = 0.0;
- double Zero_d = 0.0;
-
- {
- Error += true == glm::isnan(0.0/Zero_d) ? 0 : 1;
- Error += true == glm::any(glm::isnan(glm::dvec2(0.0 / Zero_d))) ? 0 : 1;
- Error += true == glm::any(glm::isnan(glm::dvec3(0.0 / Zero_d))) ? 0 : 1;
- Error += true == glm::any(glm::isnan(glm::dvec4(0.0 / Zero_d))) ? 0 : 1;
- }
-
- {
- Error += true == glm::isnan(0.0f/Zero_f) ? 0 : 1;
- Error += true == glm::any(glm::isnan(glm::vec2(0.0f/Zero_f))) ? 0 : 1;
- Error += true == glm::any(glm::isnan(glm::vec3(0.0f/Zero_f))) ? 0 : 1;
- Error += true == glm::any(glm::isnan(glm::vec4(0.0f/Zero_f))) ? 0 : 1;
- }
-
- return Error;
- }
-
- int test_isinf()
- {
- int Error = 0;
-
- float Zero_f = 0.0;
- double Zero_d = 0.0;
-
- {
- Error += true == glm::isinf( 1.0/Zero_d) ? 0 : 1;
- Error += true == glm::isinf(-1.0/Zero_d) ? 0 : 1;
- Error += true == glm::any(glm::isinf(glm::dvec2( 1.0/Zero_d))) ? 0 : 1;
- Error += true == glm::any(glm::isinf(glm::dvec2(-1.0/Zero_d))) ? 0 : 1;
- Error += true == glm::any(glm::isinf(glm::dvec3( 1.0/Zero_d))) ? 0 : 1;
- Error += true == glm::any(glm::isinf(glm::dvec3(-1.0/Zero_d))) ? 0 : 1;
- Error += true == glm::any(glm::isinf(glm::dvec4( 1.0/Zero_d))) ? 0 : 1;
- Error += true == glm::any(glm::isinf(glm::dvec4(-1.0/Zero_d))) ? 0 : 1;
- }
-
- {
- Error += true == glm::isinf( 1.0f/Zero_f) ? 0 : 1;
- Error += true == glm::isinf(-1.0f/Zero_f) ? 0 : 1;
- Error += true == glm::any(glm::isinf(glm::vec2( 1.0f/Zero_f))) ? 0 : 1;
- Error += true == glm::any(glm::isinf(glm::vec2(-1.0f/Zero_f))) ? 0 : 1;
- Error += true == glm::any(glm::isinf(glm::vec3( 1.0f/Zero_f))) ? 0 : 1;
- Error += true == glm::any(glm::isinf(glm::vec3(-1.0f/Zero_f))) ? 0 : 1;
- Error += true == glm::any(glm::isinf(glm::vec4( 1.0f/Zero_f))) ? 0 : 1;
- Error += true == glm::any(glm::isinf(glm::vec4(-1.0f/Zero_f))) ? 0 : 1;
- }
-
- return Error;
- }
-
- int main()
- {
- int Error(0);
-
- Error += test_modf();
- Error += test_floatBitsToInt();
- Error += test_floatBitsToUint();
- Error += test_mix();
- Error += test_round();
- Error += test_roundEven();
- Error += test_isnan();
- //Error += test_isinf();
-
- return Error;
- }
-