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vmath.hpp/untests/vmath_mat_fun_tests.cpp
BlackMATov d97f925f6c Happy New Year! 🥳
2023-01-05 07:27:55 +07:00

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/*******************************************************************************
* This file is part of the "https://github.com/blackmatov/vmath.hpp"
* For conditions of distribution and use, see copyright notice in LICENSE.md
* Copyright (C) 2020-2023, by Matvey Cherevko (blackmatov@gmail.com)
******************************************************************************/
#include "vmath_tests.hpp"
namespace
{
using namespace vmath_hpp;
using namespace vmath_tests;
template < typename T, int Size >
constexpr mat<T, Size> generate_frank_matrix() {
mat<T, Size> m;
for ( int i = 1; i <= Size; ++i ) {
for ( int j = 1; j <= Size; ++j ) {
if ( j < i - Size ) {
m[unsigned(i - 1)][unsigned(j - 1)] = 0;
} else if ( j == (i - 1) ) {
m[unsigned(i - 1)][unsigned(j - 1)] = Size + 1 - i;
} else {
m[unsigned(i - 1)][unsigned(j - 1)] = Size + 1 - j;
}
}
}
return m;
}
}
TEST_CASE("vmath/mat_fun") {
SUBCASE("operators") {
STATIC_CHECK(+imat2(1,-2,3,-4) == imat2(1,-2,3,-4));
STATIC_CHECK(-imat2(1,-2,3,-4) == imat2(-1,2,-3,4));
STATIC_CHECK(~umat2(0xF0F0F0F0,0x0F0F0F0F,0xF0F0F0F0,0x0F0F0F0F) == umat2(0x0F0F0F0F,0xF0F0F0F0,0x0F0F0F0F,0xF0F0F0F0));
STATIC_CHECK((!imat2(-1,0,1,2)) == bmat2(false,true,false,false));
STATIC_CHECK(imat2(1,2,3,4) + 2 == imat2(3,4,5,6));
STATIC_CHECK(imat2(1,2,3,4) - 2 == imat2(-1,0,1,2));
STATIC_CHECK(imat2(1,2,3,4) * 2 == imat2(2,4,6,8));
STATIC_CHECK(imat2(1,2,3,4) / 2 == imat2(0,1,1,2));
STATIC_CHECK((imat2(11,12,11,12) & 6) == imat2(2,4,2,4));
STATIC_CHECK((imat2(11,12,11,12) | 6) == imat2(15,14,15,14));
STATIC_CHECK((imat2(11,12,11,12) ^ 6) == imat2(13,10,13,10));
STATIC_CHECK((imat2(1,2,3,4) << 2) == imat2(4,8,12,16));
STATIC_CHECK((imat2(4,8,12,16) >> 2) == imat2(1,2,3,4));
STATIC_CHECK((imat2(1,0,1,0) && 1) == bmat2(1,0,1,0));
STATIC_CHECK((imat2(1,0,1,0) || 1) == bmat2(1,1,1,1));
STATIC_CHECK(4 + imat2(1,2,3,4) == imat2(5,6,7,8));
STATIC_CHECK(4 - imat2(1,2,3,4) == imat2(3,2,1,0));
STATIC_CHECK(4 * imat2(1,2,3,4) == imat2(4,8,12,16));
STATIC_CHECK(4 / imat2(1,2,3,4) == imat2(4,2,1,1));
STATIC_CHECK((6 &imat2(11,12,11,12)) == imat2(2,4,2,4));
STATIC_CHECK((6 |imat2(11,12,11,12)) == imat2(15,14,15,14));
STATIC_CHECK((6 ^ imat2(11,12,11,12)) == imat2(13,10,13,10));
STATIC_CHECK((2 << imat2(1,2,3,4)) == imat2(4,8,16,32));
STATIC_CHECK((16 >> imat2(1,2,3,4)) == imat2(8,4,2,1));
STATIC_CHECK((1 && imat2(1,0,1,0)) == bmat2(1,0,1,0));
STATIC_CHECK((1 || imat2(1,0,1,0)) == bmat2(1,1,1,1));
STATIC_CHECK(imat2(1,2,3,4) + imat2(5,6,7,8) == imat2(6,8,10,12));
STATIC_CHECK(imat2(1,2,3,4) - imat2(5,6,7,8) == imat2(-4,-4,-4,-4));
STATIC_CHECK(imat2() * imat2() == imat2());
STATIC_CHECK(imat3() * imat3() == imat3());
STATIC_CHECK(ivec2(1,2) * imat2() == ivec2(1,2));
STATIC_CHECK(ivec3(1,2,3) * imat3() == ivec3(1,2,3));
STATIC_CHECK(ivec4(1,2,3,4) * imat4() == ivec4(1,2,3,4));
STATIC_CHECK((imat2(6,7,6,7) & imat2(11,12,11,12)) == imat2(2,4,2,4));
STATIC_CHECK((imat2(6,7,6,7) | imat2(11,12,11,12)) == imat2(15,15,15,15));
STATIC_CHECK((imat2(6,7,6,7) ^ imat2(11,12,11,12)) == imat2(13,11,13,11));
STATIC_CHECK((imat2(0,1,0,1) && imat2(1,0,1,0)) == bmat2(0,0,0,0));
STATIC_CHECK((imat2(0,1,0,1) || imat2(1,0,1,0)) == bmat2(1,1,1,1));
{
imat2 v{1,2,3,4};
CHECK(&v == &(++v));
CHECK(v == imat2{2,3,4,5});
CHECK(&v == &(--v));
CHECK(v == imat2{1,2,3,4});
}
{
imat2 v{1,2,3,4};
CHECK(v++ == imat2{1,2,3,4});
CHECK(v == imat2{2,3,4,5});
CHECK(v-- == imat2{2,3,4,5});
CHECK(v == imat2{1,2,3,4});
}
{
imat2 v{1,2,3,4};
CHECK(&v == &(v += 3));
CHECK(v == imat2{4,5,6,7});
CHECK(&v == &(v += imat2{1,2,3,4}));
CHECK(v == imat2{5,7,9,11});
}
{
imat2 v{4,5,6,7};
CHECK(&v == &(v -= 3));
CHECK(v == imat2{1,2,3,4});
CHECK(&v == &(v -= imat2{2,4,6,8}));
CHECK(v == imat2{-1,-2,-3,-4});
}
{
imat2 v{1,2,3,4};
CHECK(&v == &(v *= 3));
CHECK(v == imat2{3,6,9,12});
}
{
ivec4 v{0, 0, 0, 1};
CHECK(&v == &(v *= translate(ivec3{1,2,3})));
CHECK(v == uapprox4(1,2,3,1));
}
{
ivec3 v{1, 2, 3};
CHECK(&v == &(v *= imat3(scale(ivec3{2,3,4}))));
CHECK(v == ivec3(2,6,12));
}
{
imat4 v = translate(ivec3{1, 2, 3});
CHECK(&v == &(v *= translate(ivec3{1,2,3})));
CHECK(v == translate(ivec3{2,4,6}));
}
{
imat3 v = imat3(scale(ivec3{1, 2, 3}));
CHECK(&v == &(v *= imat3(scale(ivec3{2,3,4}))));
CHECK(v == imat3(scale(ivec3{2,6,12})));
}
{
imat2 v1{11,12,11,12};
CHECK(&v1 == &(v1 &= 6));
CHECK(v1 == imat2(2,4,2,4));
imat2 v2{6,7,6,7};
CHECK(&v2 == &(v2 &= imat2(11,12,11,12)));
CHECK(v2 == imat2(2,4,2,4));
}
{
imat2 v1{11,12,11,12};
CHECK(&v1 == &(v1 |= 6));
CHECK(v1 == imat2(15,14,15,14));
imat2 v2{6,7,6,7};
CHECK(&v2 == &(v2 |= imat2(11,12,11,12)));
CHECK(v2 == imat2(15,15,15,15));
}
{
imat2 v1{11,12,11,12};
CHECK(&v1 == &(v1 ^= 6));
CHECK(v1 == imat2(13,10,13,10));
imat2 v2{6,7,6,7};
CHECK(&v2 == &(v2 ^= imat2(11,12,11,12)));
CHECK(v2 == imat2(13,11,13,11));
}
{
imat2 v1{2,3,4,5};
CHECK(&v1 == &(v1 <<= 2));
CHECK(v1 == imat2(8,12,16,20));
CHECK(&v1 == &(v1 <<= imat2(1,2,3,4)));
CHECK(v1 == imat2(16,48,128,320));
}
{
imat2 v1{16,48,128,320};
CHECK(&v1 == &(v1 >>= 2));
CHECK(v1 == imat2(4,12,32,80));
CHECK(&v1 == &(v1 >>= imat2(1,2,3,4)));
CHECK(v1 == imat2(2,3,4,5));
}
}
SUBCASE("Operators2") {
STATIC_CHECK(imat2{} + 0.0 == dmat2{});
STATIC_CHECK(0.0 + imat2{} == dmat2{});
STATIC_CHECK(imat2{} + dmat2{} == dmat2{2.0});
STATIC_CHECK(dmat2{} + imat2{} == dmat2{2.0});
STATIC_CHECK(imat2{} - 0.0 == dmat2{});
STATIC_CHECK(0.0 - imat2{} == dmat2{-1.0});
STATIC_CHECK(imat2{} - dmat2{} == dmat2{0.0});
STATIC_CHECK(dmat2{} - imat2{} == dmat2{0.0});
STATIC_CHECK(imat2{} * 1.0 == dmat2{});
STATIC_CHECK(0.0 * imat2{1} == dmat2{0.0});
STATIC_CHECK(ivec2{} * dmat2{} == dvec2{});
STATIC_CHECK(imat2{} * dmat2{} == dmat2{});
STATIC_CHECK(dmat2{} * imat2{1} == dmat2{});
STATIC_CHECK(imat2{} / 1.0 == dmat2{});
STATIC_CHECK(0.0 / imat2{1,1,1,1} == dmat2{0.0});
}
SUBCASE("Conversions2") {
{
STATIC_CHECK(dmat2(1.0) == dmat2(1));
STATIC_CHECK(dmat2(ivec2(1,2)) == dmat2(dvec2(1,2)));
STATIC_CHECK(dmat2(ivec2(1,2),fvec2(3,4)) == dmat2(1,2,3,4));
STATIC_CHECK(dmat2(imat2(1)) == dmat2(1));
STATIC_CHECK(dmat2(imat3(1)) == dmat2(1));
STATIC_CHECK(dmat2(imat4(1)) == dmat2(1));
}
{
STATIC_CHECK(dmat3(1.0) == dmat3(1));
STATIC_CHECK(dmat3(ivec3(1,2,3)) == dmat3(dvec3(1,2,3)));
STATIC_CHECK(dmat3(ivec3(1,2,3),fvec3(2,3,4),uvec3(3,4,5)) == dmat3(1,2,3,2,3,4,3,4,5));
STATIC_CHECK(dmat3(imat2(1),uvec2(2)) == dmat3(dmat2(1),dvec2(2)));
STATIC_CHECK(dmat3(imat2(1)) == dmat3(1));
STATIC_CHECK(dmat3(imat3(1)) == dmat3(1));
STATIC_CHECK(dmat3(imat4(1)) == dmat3(1));
}
{
STATIC_CHECK(dmat4(1.0) == dmat4(1));
STATIC_CHECK(dmat4(ivec4(1,2,3,4)) == dmat4(dvec4(1,2,3,4)));
STATIC_CHECK(dmat4(ivec4(1,2,3,4),fvec4(2,3,4,5),uvec4(3,4,5,6),ivec4(4,5,6,7)) == dmat4(1,2,3,4,2,3,4,5,3,4,5,6,4,5,6,7));
STATIC_CHECK(dmat4(imat3(1),uvec3(2)) == dmat4(dmat3(1),dvec3(2)));
STATIC_CHECK(dmat4(imat2(1)) == dmat4(1));
STATIC_CHECK(dmat4(imat3(1)) == dmat4(1));
STATIC_CHECK(dmat4(imat4(1)) == dmat4(1));
}
}
SUBCASE("relational functions") {
STATIC_CHECK_FALSE(any(bmat2(false, false, false, false)));
STATIC_CHECK(any(bmat2(true, false, true, false)));
STATIC_CHECK(any(bmat2(false, true, false, true)));
STATIC_CHECK(any(bmat2(true, true, true, true)));
STATIC_CHECK_FALSE(any(imat2(0, 0, 0, 0)));
STATIC_CHECK(any(imat2(1, 0, 1, 0)));
STATIC_CHECK(any(imat2(0, 1, 0, 1)));
STATIC_CHECK(any(imat2(1, 1, 1, 1)));
STATIC_CHECK_FALSE(all(bmat2(false, false, false, false)));
STATIC_CHECK_FALSE(all(bmat2(true, false, true, false)));
STATIC_CHECK_FALSE(all(bmat2(false, true, false, true)));
STATIC_CHECK(all(bmat2(true, true, true, true)));
STATIC_CHECK_FALSE(all(imat2(0, 0, 0, 0)));
STATIC_CHECK_FALSE(all(imat2(1, 0, 1, 0)));
STATIC_CHECK_FALSE(all(imat2(0, 1, 0, 1)));
STATIC_CHECK(all(imat2(1, 1, 1, 1)));
STATIC_CHECK(approx(imat2(1,1,1,1), imat2(0,1,2,3)) == bmat2(false, true, false, false));
STATIC_CHECK(approx(imat2(1,1,1,1), imat2(0,1,2,3), 0) == bmat2(false, true, false, false));
STATIC_CHECK(approx(imat2(1,1,1,1), imat2(0,1,2,3), 1) == bmat2(true, true, true, false));
STATIC_CHECK(approx(imat2(1,1,1,1), imat2(0,1,2,3), 2) == bmat2(true, true, true, true));
STATIC_CHECK(less(imat2(1,1,1,1), imat2(0,1,2,3)) == bmat2(false, false, true, true));
STATIC_CHECK(less_equal(imat2(1,1,1,1), imat2(0,1,2,3)) == bmat2(false, true, true, true));
STATIC_CHECK(greater(imat2(1,1,1,1), imat2(0,1,2,3)) == bmat2(true, false, false, false));
STATIC_CHECK(greater_equal(imat2(1,1,1,1), imat2(0,1,2,3)) == bmat2(true, true, false, false));
STATIC_CHECK(equal_to(imat2(1,1,1,1), imat2(0,1,2,3)) == bmat2(false, true, false, false));
STATIC_CHECK(not_equal_to(imat2(1,1,1,1), imat2(0,1,2,3)) == bmat2(true, false, true, true));
}
SUBCASE("transpose") {
STATIC_CHECK(transpose(imat2(
1, 2,
3, 4
)) == imat2(
1, 3,
2, 4
));
STATIC_CHECK(transpose(imat3(
1, 2, 3,
4, 5, 6,
7, 8, 9
)) == imat3(
1, 4, 7,
2, 5, 8,
3, 6, 9
));
STATIC_CHECK(transpose(imat4(
1, 2, 3, 4,
5, 6, 7, 8,
9, 10, 11, 12,
13, 14, 15, 16
)) == imat4(
1, 5, 9, 13,
2, 6, 10, 14,
3, 7, 11, 15,
4, 8, 12, 16
));
}
SUBCASE("determinant") {
constexpr imat2 m2{1,2,3,4};
constexpr imat3 m3{1,2,3,4,5,6,7,8,9};
constexpr imat4 m4{1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16};
STATIC_CHECK(determinant(m2) == determinant(transpose(m2)));
STATIC_CHECK(determinant(m3) == determinant(transpose(m3)));
STATIC_CHECK(determinant(m4) == determinant(transpose(m4)));
STATIC_CHECK(determinant(generate_frank_matrix<int, 2>()) == 1);
STATIC_CHECK(determinant(generate_frank_matrix<int, 3>()) == 1);
STATIC_CHECK(determinant(generate_frank_matrix<int, 4>()) == 1);
STATIC_CHECK(determinant(transpose(generate_frank_matrix<int, 2>())) == 1);
STATIC_CHECK(determinant(transpose(generate_frank_matrix<int, 3>())) == 1);
STATIC_CHECK(determinant(transpose(generate_frank_matrix<int, 4>())) == 1);
}
SUBCASE("inverse") {
STATIC_CHECK(inverse(fmat2()) == fmat2());
STATIC_CHECK(inverse(fmat3()) == fmat3());
STATIC_CHECK(inverse(fmat4()) == fmat4());
STATIC_CHECK(inverse(fmat2(0.5)) == fmat2(2.f));
STATIC_CHECK(inverse(fmat3(0.5)) == fmat3(2.f));
STATIC_CHECK(inverse(fmat4(0.5)) == fmat4(2.f));
{
constexpr fmat4 m1 = translate(fvec3(1.f, 2.f, 3.f));
constexpr fmat4 rm1 = inverse(m1);
STATIC_CHECK(all(approx(
unit4_z<float> * m1 * rm1,
unit4_z<float>)));
}
{
const fvec3 axis2 = normalize(fvec3(1.f, 2.f, 3.f));
const fmat4 m2 = fmat4(rotate(0.5f,axis2));
const fmat4 rm2 = inverse(m2);
CHECK(all(approx(
unit4_z<float> * m2 * rm2,
unit4_z<float>)));
}
{
const fvec3 axis3 = normalize(fvec3(1.f, 2.f, 3.f));
const fmat3 m3 = fmat3(rotate(0.5f,axis3));
const fmat3 rm3 = inverse(m3);
CHECK(all(approx(
unit3_z<float> * m3 * rm3,
unit3_z<float>)));
}
{
const fvec3 axis4 = normalize(fvec3(0.f, 0.f, 3.f));
const fmat2 m4 = fmat2(rotate(0.5f,axis4));
const fmat2 rm4 = inverse(m4);
CHECK(all(approx(
unit2_y<float> * m4 * rm4,
unit2_y<float>)));
}
}
}
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