AnimTestbed/3rdparty/ozz-animation/test/base/maths/math_ex_tests.cc

99 lines
4.1 KiB
C++

//----------------------------------------------------------------------------//
// //
// ozz-animation is hosted at http://github.com/guillaumeblanc/ozz-animation //
// and distributed under the MIT License (MIT). //
// //
// Copyright (c) Guillaume Blanc //
// //
// Permission is hereby granted, free of charge, to any person obtaining a //
// copy of this software and associated documentation files (the "Software"), //
// to deal in the Software without restriction, including without limitation //
// the rights to use, copy, modify, merge, publish, distribute, sublicense, //
// and/or sell copies of the Software, and to permit persons to whom the //
// Software is furnished to do so, subject to the following conditions: //
// //
// The above copyright notice and this permission notice shall be included in //
// all copies or substantial portions of the Software. //
// //
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR //
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, //
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL //
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER //
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING //
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER //
// DEALINGS IN THE SOFTWARE. //
// //
//----------------------------------------------------------------------------//
#include "ozz/base/maths/math_constant.h"
#include "ozz/base/maths/math_ex.h"
#include "gtest/gtest.h"
#include "ozz/base/gtest_helper.h"
TEST(Trigonometry, ozz_math_ex) {
EXPECT_FLOAT_EQ(ozz::math::kPi, 3.1415926535897932384626433832795f);
EXPECT_FLOAT_EQ(ozz::math::kPi * ozz::math::kRadianToDegree, 180.f);
EXPECT_FLOAT_EQ(180.f * ozz::math::kDegreeToRadian, ozz::math::kPi);
}
TEST(FloatArithmetic, ozz_math_ex) {
EXPECT_FLOAT_EQ(ozz::math::Lerp(0.f, 1.f, 0.f), 0.f);
EXPECT_FLOAT_EQ(ozz::math::Lerp(0.f, 1.f, 1.f), 1.f);
EXPECT_FLOAT_EQ(ozz::math::Lerp(0.f, 1.f, .3f), .3f);
EXPECT_FLOAT_EQ(ozz::math::Lerp(0.f, 1.f, 12.f), 12.f);
EXPECT_FLOAT_EQ(ozz::math::Lerp(0.f, 1.f, -12.f), -12.f);
}
TEST(FloatComparison, ozz_math_ex) {
const float a = {.5f};
const float b = {4.f};
const float c = {2.f};
const float min = ozz::math::Min(a, b);
EXPECT_FLOAT_EQ(min, a);
const float max = ozz::math::Max(a, b);
EXPECT_FLOAT_EQ(max, b);
const float clamp = ozz::math::Clamp(a, c, b);
EXPECT_FLOAT_EQ(clamp, c);
const float clamp0 = ozz::math::Clamp(a, b, c);
EXPECT_FLOAT_EQ(clamp0, c);
const float clamp1 = ozz::math::Clamp(c, a, b);
EXPECT_FLOAT_EQ(clamp1, c);
}
TEST(Select, ozz_math_ex) {
int a = -27, b = 46;
int *pa = &a, *pb = &b;
int *cpa = &a, *cpb = &b;
{ // Integer select
EXPECT_EQ(ozz::math::Select(true, a, b), a);
EXPECT_EQ(ozz::math::Select(true, b, a), b);
EXPECT_EQ(ozz::math::Select(false, a, b), b);
}
{ // Float select
EXPECT_FLOAT_EQ(ozz::math::Select(true, 46.f, 27.f), 46.f);
EXPECT_FLOAT_EQ(ozz::math::Select(false, 99.f, 46.f), 46.f);
}
{ // Pointer select
EXPECT_EQ(ozz::math::Select(true, pa, pb), pa);
EXPECT_EQ(ozz::math::Select(true, pb, pa), pb);
EXPECT_EQ(ozz::math::Select(false, pa, pb), pb);
}
{ // Const pointer select
EXPECT_EQ(ozz::math::Select(true, cpa, cpb), cpa);
EXPECT_EQ(ozz::math::Select(true, cpb, cpa), cpb);
EXPECT_EQ(ozz::math::Select(false, cpa, cpb), cpb);
EXPECT_EQ(ozz::math::Select(false, pa, cpb), cpb);
}
}