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99 lines
2.2 KiB
99 lines
2.2 KiB
#include <glm/ext/vector_ulp.hpp> |
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#include <glm/ext/vector_relational.hpp> |
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#include <glm/ext/vector_float4.hpp> |
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#include <glm/ext/vector_double4.hpp> |
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#include <glm/ext/vector_int4.hpp> |
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static int test_ulp_float_dist() |
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{ |
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int Error = 0; |
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glm::vec4 const A(1.0f); |
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glm::vec4 const B = glm::nextFloat(A); |
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Error += glm::any(glm::notEqual(A, B, 0)) ? 0 : 1; |
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glm::vec4 const C = glm::prevFloat(B); |
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Error += glm::all(glm::equal(A, C, 0)) ? 0 : 1; |
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glm::ivec4 const D = glm::floatDistance(A, B); |
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Error += D == glm::ivec4(1) ? 0 : 1; |
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glm::ivec4 const E = glm::floatDistance(A, C); |
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Error += E == glm::ivec4(0) ? 0 : 1; |
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return Error; |
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} |
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static int test_ulp_float_step() |
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{ |
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int Error = 0; |
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glm::vec4 const A(1.0f); |
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for(int i = 10; i < 1000; i *= 10) |
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{ |
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glm::vec4 const B = glm::nextFloat(A, i); |
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Error += glm::any(glm::notEqual(A, B, 0)) ? 0 : 1; |
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glm::vec4 const C = glm::prevFloat(B, i); |
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Error += glm::all(glm::equal(A, C, 0)) ? 0 : 1; |
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glm::ivec4 const D = glm::floatDistance(A, B); |
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Error += D == glm::ivec4(i) ? 0 : 1; |
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glm::ivec4 const E = glm::floatDistance(A, C); |
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Error += E == glm::ivec4(0) ? 0 : 1; |
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} |
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return Error; |
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} |
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static int test_ulp_double_dist() |
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{ |
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int Error = 0; |
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glm::dvec4 const A(1.0); |
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glm::dvec4 const B = glm::nextFloat(A); |
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Error += glm::any(glm::notEqual(A, B, 0)) ? 0 : 1; |
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glm::dvec4 const C = glm::prevFloat(B); |
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Error += glm::all(glm::equal(A, C, 0)) ? 0 : 1; |
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glm::ivec4 const D(glm::floatDistance(A, B)); |
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Error += D == glm::ivec4(1) ? 0 : 1; |
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glm::ivec4 const E = glm::floatDistance(A, C); |
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Error += E == glm::ivec4(0) ? 0 : 1; |
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return Error; |
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} |
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static int test_ulp_double_step() |
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{ |
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int Error = 0; |
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glm::dvec4 const A(1.0); |
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for(int i = 10; i < 1000; i *= 10) |
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{ |
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glm::dvec4 const B = glm::nextFloat(A, i); |
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Error += glm::any(glm::notEqual(A, B, 0)) ? 0 : 1; |
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glm::dvec4 const C = glm::prevFloat(B, i); |
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Error += glm::all(glm::equal(A, C, 0)) ? 0 : 1; |
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glm::ivec4 const D(glm::floatDistance(A, B)); |
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Error += D == glm::ivec4(i) ? 0 : 1; |
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glm::ivec4 const E(glm::floatDistance(A, C)); |
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Error += E == glm::ivec4(0) ? 0 : 1; |
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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_ulp_float_dist(); |
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Error += test_ulp_float_step(); |
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Error += test_ulp_double_dist(); |
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Error += test_ulp_double_step(); |
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return Error; |
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}
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