BlackMATov/vmath.hpp
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b83290208f5baaff469ab59b24fe11705c0a9f9d
vmath.hpp/untests/vmath_vec_fun_tests.cpp
BlackMATov b83290208f revert relational operators to functions
2020-12-07 20:30:57 +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, by Matvey Cherevko (blackmatov@gmail.com)
******************************************************************************/
#include "vmath_tests.hpp"
#include "doctest/doctest.hpp"
namespace
{
using namespace vmath_hpp;
using namespace vmath_tests;
}
TEST_CASE("vmath/vec_fun") {
SUBCASE("Detail") {
STATIC_REQUIRE(map_join([](const int& x){
return x * 2;
}, int2{1}) == int2{2});
STATIC_REQUIRE(map_join([](const int& x, const int& y){
return x + y;
}, int2{1}, int2{1}) == int2{2});
STATIC_REQUIRE(map_join([](const int& x, const int& y, const int& z){
return x + y + z;
}, int2{1}, int2{1}, int2{1}) == int2(3));
STATIC_REQUIRE(fold_join([](int acc, const int& x){
return acc + x;
}, 0, int2{1}) == 2);
STATIC_REQUIRE(fold_join([](int acc, const int& x, const int& y){
return acc + x + y;
}, 0, int2{1}, int2{1}) == 4);
STATIC_REQUIRE(fold1_join([](const int& acc, const int& x){
return acc + x;
}, int2{1}) == 2);
}
SUBCASE("Operators") {
STATIC_REQUIRE(-int2(1,-2) == int2(-1,2));
STATIC_REQUIRE(~uint2(0xF0F0F0F0,0x0F0F0F0F) == uint2(0x0F0F0F0F,0xF0F0F0F0));
STATIC_REQUIRE(!int3(-1,0,1) == bool3(false, true, false));
STATIC_REQUIRE(int2(1,2) + 3 == int2(4,5));
STATIC_REQUIRE(int2(1,2) - 3 == int2(-2,-1));
STATIC_REQUIRE(int2(1,2) * 3 == int2(3,6));
STATIC_REQUIRE(int2(2,4) / 2 == int2(1,2));
STATIC_REQUIRE((int2(11,12) & 6) == int2(2,4));
STATIC_REQUIRE((int2(11,12) | 6) == int2(15,14));
STATIC_REQUIRE((int2(11,12) ^ 6) == int2(13,10));
STATIC_REQUIRE((int2(1,0) && 1) == bool2(1,0));
STATIC_REQUIRE((int2(1,0) || 1) == bool2(1,1));
STATIC_REQUIRE(3 + int2(1,2) == int2(4,5));
STATIC_REQUIRE(3 - int2(1,2) == int2(2,1));
STATIC_REQUIRE(3 * int2(1,2) == int2(3,6));
STATIC_REQUIRE(4 / int2(2,4) == int2(2,1));
STATIC_REQUIRE((6 & int2(11,12)) == int2(2,4));
STATIC_REQUIRE((6 | int2(11,12)) == int2(15,14));
STATIC_REQUIRE((6 ^ int2(11,12)) == int2(13,10));
STATIC_REQUIRE((1 && int2(1,0)) == bool2(1,0));
STATIC_REQUIRE((1 || int2(1,0)) == bool2(1,1));
STATIC_REQUIRE(int2(1,2) + int2(3,4) == int2(4,6));
STATIC_REQUIRE(int2(1,2) - int2(3,4) == int2(-2,-2));
STATIC_REQUIRE(int2(1,2) * int2(3,4) == int2(3,8));
STATIC_REQUIRE(int2(3,4) / int2(1,2) == int2(3,2));
STATIC_REQUIRE((int2(6,7) & int2(11,12)) == int2(2,4));
STATIC_REQUIRE((int2(6,7) | int2(11,12)) == int2(15,15));
STATIC_REQUIRE((int2(6,7) ^ int2(11,12)) == int2(13,11));
STATIC_REQUIRE((int2(0,1) && int2(1,0)) == bool2(0,0));
STATIC_REQUIRE((int2(0,1) || int2(1,0)) == bool2(1,1));
{
int2 v{1,2};
REQUIRE(&v == &(v += 3));
REQUIRE(v == int2{4,5});
REQUIRE(&v == &(v += int2{1,2}));
REQUIRE(v == int2{5,7});
}
{
int2 v{4,5};
REQUIRE(&v == &(v -= 3));
REQUIRE(v == int2{1,2});
REQUIRE(&v == &(v -= int2{2,4}));
REQUIRE(v == int2{-1,-2});
}
{
int2 v{1,2};
REQUIRE(&v == &(v *= 3));
REQUIRE(v == int2{3,6});
REQUIRE(&v == &(v *= int2{2,3}));
REQUIRE(v == int2{6,18});
}
{
int2 v{6,18};
REQUIRE(&v == &(v /= 2));
REQUIRE(v == int2{3,9});
REQUIRE(&v == &(v /= int2{3,4}));
REQUIRE(v == int2{1,2});
}
{
int2 v1{11,12};
REQUIRE(&v1 == &(v1 &= 6));
REQUIRE(v1 == int2(2,4));
int2 v2{6,7};
REQUIRE(&v2 == &(v2 &= int2(11,12)));
REQUIRE(v2 == int2(2,4));
}
{
int2 v1{11,12};
REQUIRE(&v1 == &(v1 |= 6));
REQUIRE(v1 == int2(15,14));
int2 v2{6,7};
REQUIRE(&v2 == &(v2 |= int2(11,12)));
REQUIRE(v2 == int2(15,15));
}
{
int2 v1{11,12};
REQUIRE(&v1 == &(v1 ^= 6));
REQUIRE(v1 == int2(13,10));
int2 v2{6,7};
REQUIRE(&v2 == &(v2 ^= int2(11,12)));
REQUIRE(v2 == int2(13,11));
}
}
SUBCASE("Angle and Trigonometry Functions") {
STATIC_REQUIRE(radians(degrees(float2(12.13f))) == uapprox2(12.13f));
STATIC_REQUIRE(degrees(radians(float2(12.13f))) == uapprox2(12.13f));
(void)sin(float2(1.f));
(void)cos(float2(1.f));
(void)tan(float2(1.f));
(void)asin(float2(1.f));
(void)acos(float2(1.f));
(void)atan(float2(1.f));
(void)atan2(float2(1.f), float2(1.f));
(void)sinh(float2(1.f));
(void)cosh(float2(1.f));
(void)tanh(float2(1.f));
(void)asinh(float2(1.f));
(void)acosh(float2(1.f));
(void)atanh(float2(1.f));
{
float2 out_ss{}, out_cs{};
sincos(float2(10.f,15.f), &out_ss, &out_cs);
REQUIRE(out_ss == uapprox2(sin(10.f), sin(15.f)));
REQUIRE(out_cs == uapprox2(cos(10.f), cos(15.f)));
}
}
SUBCASE("Exponential Functions") {
(void)pow(float2(1.f), float2(2.f));
(void)exp(float2(1.f));
(void)log(float2(1.f));
(void)exp2(float2(1.f));
(void)log2(float2(1.f));
(void)sqrt(float2(1.f));
(void)rsqrt(float2(1.f));
}
SUBCASE("Common Functions") {
STATIC_REQUIRE(abs(float2(1.f, -1.f)) == uapprox2(1.f,1.f));
STATIC_REQUIRE(sign(float3(1.f, -1.f, 0.f)) == uapprox3(1.f,-1.f,0.f));
STATIC_REQUIRE(rcp(float2(2.f, 4.f)) == uapprox2(0.5f,0.25f));
(void)floor(float2(1.f, -1.f));
(void)trunc(float2(1.f, -1.f));
(void)round(float2(1.f, -1.f));
(void)ceil(float2(1.f, -1.f));
(void)fract(float2(1.f, -1.f));
REQUIRE(fmod(float2(1.7f), 1.2f) == uapprox2(0.5f));
REQUIRE(fmod(float2(1.7f), float2(1.2f)) == uapprox2(0.5f));
{
float2 out_i{};
REQUIRE(modf(float2(1.7f), &out_i) == uapprox2(0.7f));
REQUIRE(out_i.x == uapprox(1.f));
}
STATIC_REQUIRE(min(int2(1,2)) == 1);
STATIC_REQUIRE(min(int2(1,2), 1) == int2(1,1));
STATIC_REQUIRE(min(int2(1,1), int2(0,2)) == int2(0,1));
STATIC_REQUIRE(max(int2(1,2)) == 2);
STATIC_REQUIRE(max(int2(1,2), 1) == int2(1,2));
STATIC_REQUIRE(max(int2(1,1), int2(0,2)) == int2(1,2));
STATIC_REQUIRE(clamp(int2(1,2), 0, 1) == int2(1,1));
STATIC_REQUIRE(clamp(int2(1,2), int2(0), int2(1)) == int2(1,1));
STATIC_REQUIRE(saturate(float3(-1.f,0.5,1.5f)) == uapprox3(0.f,0.5f,1.f));
STATIC_REQUIRE(lerp(float2(0.f), float2(10.f), 0.5f) == uapprox2(5.f));
STATIC_REQUIRE(lerp(float2(0.f), float2(10.f), float2(0.5f)) == uapprox2(5.f));
STATIC_REQUIRE(step(0.5f, float2(0.4f)) == uapprox2(0.f));
STATIC_REQUIRE(step(0.5f, float2(0.6f)) == uapprox2(1.f));
STATIC_REQUIRE(step(float2(0.5f), float2(0.4f)) == uapprox2(0.f));
STATIC_REQUIRE(step(float2(0.5f), float2(0.6f)) == uapprox2(1.f));
STATIC_REQUIRE(smoothstep(0.f, 1.f, float2(0.1f)) == uapprox2(0.028f));
STATIC_REQUIRE(smoothstep(float2(0.f), float2(1.f), float2(0.1f)) == uapprox2(0.028f));
REQUIRE_FALSE(isnan(float2(1.f)).x);
REQUIRE_FALSE(isinf(float2(1.f)).x);
REQUIRE(isfinite(float2(1.f)).x);
REQUIRE_FALSE(fma(float2(2.f), float2(3.f), float2(4.f)).x == uapprox(12.f));
{
int2 out_exp{};
REQUIRE(frexp(float2(1.7f), &out_exp).x == uapprox(0.85f));
REQUIRE(out_exp == int2(1));
}
REQUIRE(ldexp(float2(0.85f), int2(1)).x == uapprox(1.7f));
}
SUBCASE("Geometric Functions") {
REQUIRE(length(float2(10.f,0.f)) == uapprox(10.f));
REQUIRE(length(float2(-10.f,0.f)) == uapprox(10.f));
STATIC_REQUIRE(length2(float2(10.f,0.f)) == uapprox(100.f));
STATIC_REQUIRE(length2(float2(-10.f,0.f)) == uapprox(100.f));
REQUIRE(distance(float2(5.f,0.f), float2(10.f,0.f)) == uapprox(5.f));
REQUIRE(distance(float2(-5.f,0.f), float2(-10.f,0.f)) == uapprox(5.f));
STATIC_REQUIRE(distance2(float2(5.f,0.f), float2(10.f,0.f)) == uapprox(25.f));
STATIC_REQUIRE(distance2(float2(-5.f,0.f), float2(-10.f,0.f)) == uapprox(25.f));
STATIC_REQUIRE(dot(int2(1,2),int2(3,4)) == 11);
STATIC_REQUIRE(cross(int2(1,0),int2(0,1)) == 1);
STATIC_REQUIRE(cross(int3(1,0,0),int3(0,1,0)) == int3(0,0,1));
REQUIRE(normalize(float2(0.5f,0.f)).x == uapprox(1.f));
STATIC_REQUIRE(faceforward(float2(1.f), float2(2.f), float2(3.f)).x == uapprox(-1.f));
STATIC_REQUIRE(reflect(float2(1.f), float2(2.f)).x == uapprox(-15.f));
REQUIRE(refract(float2(1.f), float2(2.f), 1.f).x == uapprox(-15.f));
}
SUBCASE("Relational Functions") {
STATIC_REQUIRE_FALSE(any(bool2(false, false)));
STATIC_REQUIRE(any(bool2(true, false)));
STATIC_REQUIRE(any(bool2(false, true)));
STATIC_REQUIRE(any(bool2(true, true)));
STATIC_REQUIRE_FALSE(any(int2(0, 0)));
STATIC_REQUIRE(any(int2(1, 0)));
STATIC_REQUIRE(any(int2(0, 1)));
STATIC_REQUIRE(any(int2(1, 1)));
STATIC_REQUIRE_FALSE(all(bool2(false, false)));
STATIC_REQUIRE_FALSE(all(bool2(true, false)));
STATIC_REQUIRE_FALSE(all(bool2(false, true)));
STATIC_REQUIRE(all(bool2(true, true)));
STATIC_REQUIRE_FALSE(all(int2(0, 0)));
STATIC_REQUIRE_FALSE(all(int2(1, 0)));
STATIC_REQUIRE_FALSE(all(int2(0, 1)));
STATIC_REQUIRE(all(int2(1, 1)));
STATIC_REQUIRE(approx(int3(1,1,1), int3(0,1,2)) == bool3(false, true, false));
STATIC_REQUIRE(approx(int3(0,1,2),1) == bool3(false, true, false));
STATIC_REQUIRE(approx(1,int3(0,1,2)) == bool3(false, true, false));
STATIC_REQUIRE(approx(int4(1,1,1,1), int4(0,1,2,3), 0) == bool4(false, true, false, false));
STATIC_REQUIRE(approx(int4(0,1,2,3), 1, 0) == bool4(false, true, false, false));
STATIC_REQUIRE(approx(1, int4(0,1,2,3), 0) == bool4(false, true, false, false));
STATIC_REQUIRE(approx(int4(1,1,1,1), int4(0,1,2,3), 1) == bool4(true, true, true, false));
STATIC_REQUIRE(approx(int4(0,1,2,3), 1, 1) == bool4(true, true, true, false));
STATIC_REQUIRE(approx(1, int4(0,1,2,3), 1) == bool4(true, true, true, false));
STATIC_REQUIRE(approx(int4(1,1,1,1), int4(0,1,2,3), 2) == bool4(true, true, true, true));
STATIC_REQUIRE(approx(int4(0,1,2,3), 1, 2) == bool4(true, true, true, true));
STATIC_REQUIRE(approx(1, int4(0,1,2,3), 2) == bool4(true, true, true, true));
STATIC_REQUIRE(less(int3(1,1,1), int3(0,1,2)) == bool3(false, false, true));
STATIC_REQUIRE(less(int3(0,1,2), 1) == bool3(true, false, false));
STATIC_REQUIRE(less(1, int3(0,1,2)) == bool3(false, false, true));
STATIC_REQUIRE(less_equal(int3(1,1,1), int3(0,1,2)) == bool3(false, true, true));
STATIC_REQUIRE(less_equal(int3(0,1,2), 1) == bool3(true, true, false));
STATIC_REQUIRE(less_equal(1, int3(0,1,2)) == bool3(false, true, true));
STATIC_REQUIRE(greater(int3(1,1,1), int3(0,1,2)) == bool3(true, false, false));
STATIC_REQUIRE(greater(int3(0,1,2), 1) == bool3(false, false, true));
STATIC_REQUIRE(greater(1, int3(0,1,2)) == bool3(true, false, false));
STATIC_REQUIRE(greater_equal(int3(1,1,1), int3(0,1,2)) == bool3(true, true, false));
STATIC_REQUIRE(greater_equal(int3(0,1,2), 1) == bool3(false, true, true));
STATIC_REQUIRE(greater_equal(1, int3(0,1,2)) == bool3(true, true, false));
STATIC_REQUIRE(equal_to(int3(1,1,1), int3(0,1,2)) == bool3(false, true, false));
STATIC_REQUIRE(equal_to(int3(0,1,2),1) == bool3(false, true, false));
STATIC_REQUIRE(equal_to(1,int3(0,1,2)) == bool3(false, true, false));
STATIC_REQUIRE(not_equal_to(int3(1,1,1), int3(0,1,2)) == bool3(true, false, true));
STATIC_REQUIRE(not_equal_to(int3(0,1,2),1) == bool3(true, false, true));
STATIC_REQUIRE(not_equal_to(1,int3(0,1,2)) == bool3(true, false, true));
}
}
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