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initial commit jolt

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marauder2k7 2026-05-17 17:34:15 +01:00
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Engine/lib/JoltPhysics/UnitTests/Math/TrigonometryTests.cpp Normal file
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// Jolt Physics Library (https://github.com/jrouwe/JoltPhysics)
// SPDX-FileCopyrightText: 2024 Jorrit Rouwe
// SPDX-License-Identifier: MIT
#include "UnitTestFramework.h"
#include <Jolt/Math/Trigonometry.h>
TEST_SUITE("TrigonometryTests")
{
TEST_CASE("TestACosApproximate")
{
// Check error over entire range [-1, 1]
for (int i = -1000; i <= 1000; i++)
{
float x = float(i) / 1000.0f;
float acos1 = acos(x);
float acos2 = ACosApproximate(x);
CHECK_APPROX_EQUAL(acos1, acos2, 4.3e-3f);
}
// Check edge cases for exact matches
CHECK(ACosApproximate(1.0f) == 0.0f);
CHECK(ACosApproximate(1.0e-12f) == JPH_PI / 2);
CHECK(ACosApproximate(-1.0e-12f) == JPH_PI / 2);
CHECK(ACosApproximate(-1.0f) == JPH_PI);
}
}