#### /deps/glm-0.9.4.0/test/core/core_func_common.cpp

https://bitbucket.org/sturmh/dirtygraphics
C++ | 425 lines | 356 code | 57 blank | 12 comment | 104 complexity | 3b7fb4778b54ee2380bf2f24bd4d6726 MD5 | raw file
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///////////////////////////////////////////////////////////////////////////////////////////////////

// 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 <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;

}

``````