BlackMATov/vmath.hpp
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cast_to

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BlackMATov
2020-11-25 20:32:27 +07:00
parent a8e34285ee
commit bf3baf9c64
7 changed files with 116 additions and 0 deletions
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2
headers/vmath.hpp/vmath.hpp
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@@ -9,5 +9,7 @@
#include "vmath_fun.hpp"
#include "vmath_mat.hpp"
#include "vmath_mat_fun.hpp"
#include "vmath_mat_ext.hpp"
#include "vmath_vec.hpp"
#include "vmath_vec_fun.hpp"
#include "vmath_vec_ext.hpp"

19
headers/vmath.hpp/vmath_ext.hpp Normal file
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@@ -0,0 +1,19 @@
/*******************************************************************************
* 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)
******************************************************************************/
#pragma once
#include "vmath_fwd.hpp"
#include "vmath_fun.hpp"
namespace vmath_hpp
{
template < typename To, typename From >
constexpr To cast_to(From x) noexcept {
return static_cast<To>(x);
}
}

14
headers/vmath.hpp/vmath_mat_ext.hpp
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@@ -8,10 +8,24 @@
#include "vmath_fwd.hpp"
#include "vmath_ext.hpp"
#include "vmath_fun.hpp"
#include "vmath_vec.hpp"
#include "vmath_vec_fun.hpp"
#include "vmath_vec_ext.hpp"
#include "vmath_mat.hpp"
#include "vmath_mat_fun.hpp"
namespace vmath_hpp
{
template < typename To, typename From, std::size_t Size >
constexpr mat<To, Size> cast_to(const mat<From, Size>& xs) {
return detail::map([](const vec<From, Size>& x){ return cast_to<To>(x); }, xs);
}
}
namespace vmath_hpp
{
// identity

23
headers/vmath.hpp/vmath_vec_ext.hpp Normal file
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@@ -0,0 +1,23 @@
/*******************************************************************************
* 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)
******************************************************************************/
#pragma once
#include "vmath_fwd.hpp"
#include "vmath_ext.hpp"
#include "vmath_fun.hpp"
#include "vmath_vec.hpp"
#include "vmath_vec_fun.hpp"
namespace vmath_hpp
{
template < typename To, typename From, std::size_t Size >
constexpr vec<To, Size> cast_to(const vec<From, Size>& xs) {
return detail::map([](From x){ return cast_to<To>(x); }, xs);
}
}

26
untests/vmath_ext_tests.cpp Normal file
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@@ -0,0 +1,26 @@
/*******************************************************************************
* 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.hpp/vmath_ext.hpp>
#define CATCH_CONFIG_FAST_COMPILE
#include <catch2/catch.hpp>
#include "vmath_tests.hpp"
namespace
{
using namespace vmath_hpp;
using namespace vmath_tests;
}
TEST_CASE("vmath/ext") {
SECTION("cast_to") {
constexpr auto i = cast_to<int>(1.5f);
STATIC_REQUIRE(i == 1);
STATIC_REQUIRE(std::is_same_v<decltype(i), const int>);
}
}

6
untests/vmath_mat_ext_tests.cpp
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@@ -18,6 +18,12 @@ namespace
}
TEST_CASE("vmath/mat_ext") {
SECTION("cast_to") {
constexpr auto m = cast_to<int>(mat2f{1.5f});
STATIC_REQUIRE(m == mat2i(1));
STATIC_REQUIRE(std::is_same_v<decltype(m)::row_type, vec2i>);
}
SECTION("identity") {
STATIC_REQUIRE(vec4f(2.f,3.f,4.f,1.f) * identity<float>() == approx4(2.f,3.f,4.f,1.f));
STATIC_REQUIRE(vec4f(2.f,3.f,4.f,1.f) * identity<float>() == approx4(2.f,3.f,4.f,1.f));

26
untests/vmath_vec_ext_tests.cpp Normal file
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@@ -0,0 +1,26 @@
/*******************************************************************************
* 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.hpp/vmath_vec_ext.hpp>
#define CATCH_CONFIG_FAST_COMPILE
#include <catch2/catch.hpp>
#include "vmath_tests.hpp"
namespace
{
using namespace vmath_hpp;
using namespace vmath_tests;
}
TEST_CASE("vmath/vec_ext") {
SECTION("cast_to") {
constexpr auto v = cast_to<int>(vec2f{1.5f});
STATIC_REQUIRE(v == vec2i(1));
STATIC_REQUIRE(std::is_same_v<decltype(v)::value_type, int>);
}
}