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Merge branch '0.9.2' into noise

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This commit is contained in:
Christophe Riccio
2011-05-06 12:59:06 +01:00
parent 73a252b75b 13ca4eabcc
commit f433049bca
5 changed files with 582 additions and 0 deletions
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1
test/gtx/CMakeLists.txt
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@@ -2,3 +2,4 @@ glmCreateTestGTC(gtx-bit)
glmCreateTestGTC(gtx-noise)
glmCreateTestGTC(gtx-simd-vec4)
glmCreateTestGTC(gtx-simd-mat4)
glmCreateTestGTC(gtx-ulp)

107
test/gtx/gtx-ulp.cpp Normal file
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@@ -0,0 +1,107 @@
///////////////////////////////////////////////////////////////////////////////////////////////////
// OpenGL Mathematics Copyright (c) 2005 - 2011 G-Truc Creation (www.g-truc.net)
///////////////////////////////////////////////////////////////////////////////////////////////////
// Created : 2011-04-26
// Updated : 2011-04-26
// Licence : This source is under MIT licence
// File : test/gtx/ulp.cpp
///////////////////////////////////////////////////////////////////////////////////////////////////
#include <glm/glm.hpp>
#include <glm/gtx/ulp.hpp>
#include <iostream>
#include <limits>
int test_ulp_float_dist()
{
int Error = 0;
float A = 1.0f;
float B = glm::next_float(A);
Error += A != B ? 0 : 1;
float C = glm::prev_float(B);
Error += A == C ? 0 : 1;
int D = glm::float_distance(A, B);
Error += D == 1 ? 0 : 1;
int E = glm::float_distance(A, C);
Error += E == 0 ? 0 : 1;
return Error;
}
int test_ulp_float_step()
{
int Error = 0;
float A = 1.0f;
for(int i = 10; i < 1000; i *= 10)
{
float B = glm::next_float(A, i);
Error += A != B ? 0 : 1;
float C = glm::prev_float(B, i);
Error += A == C ? 0 : 1;
int D = glm::float_distance(A, B);
Error += D == i ? 0 : 1;
int E = glm::float_distance(A, C);
Error += E == 0 ? 0 : 1;
}
return Error;
}
int test_ulp_double_dist()
{
int Error = 0;
double A = 1.0;
double B = glm::next_float(A);
Error += A != B ? 0 : 1;
double C = glm::prev_float(B);
Error += A == C ? 0 : 1;
int D = glm::float_distance(A, B);
Error += D == 1 ? 0 : 1;
int E = glm::float_distance(A, C);
Error += E == 0 ? 0 : 1;
return Error;
}
int test_ulp_double_step()
{
int Error = 0;
double A = 1.0;
for(int i = 10; i < 1000; i *= 10)
{
double B = glm::next_float(A, i);
Error += A != B ? 0 : 1;
double C = glm::prev_float(B, i);
Error += A == C ? 0 : 1;
int D = glm::float_distance(A, B);
Error += D == i ? 0 : 1;
int E = glm::float_distance(A, C);
Error += E == 0 ? 0 : 1;
}
return Error;
}
int main()
{
int Error = 0;
Error += test_ulp_float_dist();
Error += test_ulp_float_step();
Error += test_ulp_double_dist();
Error += test_ulp_double_step();
return Error;
}