You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and dots ('.'), can be up to 35 characters long. Letters must be lowercase.
59 lines
2.0 KiB
59 lines
2.0 KiB
/////////////////////////////////////////////////////////////////////////////////////////////////// |
|
// 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() |
|
{ |
|
std::cout.precision(std::numeric_limits<double>::digits10 + 1); |
|
|
|
float W = 1.0f; |
|
float X = glm::next_float(W); |
|
|
|
double Y = 1.0; |
|
double Z = glm::next_float(Y); |
|
|
|
bool TestX = W != X; |
|
bool TestZ = Y != Z; |
|
|
|
std::cout << "1.0f, Next: " << glm::float_distance(W, X)<< std::endl; |
|
std::cout << "1.0f, Next(1000): " << glm::float_distance(W, glm::next_float(W, 1000)) << std::endl; |
|
|
|
std::cout << "1.0f, Next: " << glm::float_distance(X, W)<< std::endl; |
|
std::cout << "1.0f, Next(1000): " << glm::float_distance(glm::next_float(W, 1000), W) << std::endl; |
|
|
|
std::cout << "1.0, Next: " << glm::float_distance(Y, Z) << std::endl; |
|
std::cout << "1.0, Next(1000): " << glm::float_distance(glm::next_float(Y, 1000), Y) << std::endl; |
|
|
|
|
|
|
|
std::cout << Z << " 0.01, 0.011" << std::endl; |
|
std::cout << " 1.0, Next(1000000): " << glm::next_float(Y, 1000000)<< std::endl; |
|
|
|
//std::size_t A = glm::ulp(0.01, 0.02); |
|
//std::size_t B = glm::ulp(glm::vec2(0.01), glm::vec2(0.02)); |
|
//std::size_t C = glm::ulp(glm::vec3(0.01), glm::vec3(0.02)); |
|
//std::size_t D = glm::ulp(glm::vec4(0.01), glm::vec4(0.02)); |
|
//std::cout << "glm::ulp test: " << A << std::endl; |
|
//std::cout << "glm::ulp test: " << B << std::endl; |
|
//std::cout << "glm::ulp test: " << C << std::endl; |
|
//std::cout << "glm::ulp test: " << D << std::endl; |
|
return 0; |
|
} |
|
|
|
int main() |
|
{ |
|
std::cout << "Test 76" << std::endl; |
|
test_ulp_float(); |
|
} |
|
|
|
|
|
|