mirror of
https://github.com/TorqueGameEngines/Torque3D.git
synced 2026-01-20 12:44:46 +00:00
117 lines
4.1 KiB
C++
117 lines
4.1 KiB
C++
//-----------------------------------------------------------------------------
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// Copyright (c) 2012 GarageGames, LLC
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to
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// deal in the Software without restriction, including without limitation the
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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// sell copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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// IN THE SOFTWARE.
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//-----------------------------------------------------------------------------
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#include "platform/platform.h"
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#include "unit/test.h"
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#include "math/mMath.h"
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#include "math/mRandom.h"
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extern void default_matF_x_matF_C(const F32 *a, const F32 *b, F32 *mresult);
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extern void mInstallLibrary_ASM();
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// If we're x86 and not Mac, then include these. There's probably a better way to do this.
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#if defined(TORQUE_CPU_X86) && !defined(TORQUE_OS_MAC)
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extern "C" void Athlon_MatrixF_x_MatrixF(const F32 *matA, const F32 *matB, F32 *result);
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extern "C" void SSE_MatrixF_x_MatrixF(const F32 *matA, const F32 *matB, F32 *result);
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#endif
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#if defined( __VEC__ )
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extern void vec_MatrixF_x_MatrixF(const F32 *matA, const F32 *matB, F32 *result);
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#endif
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using namespace UnitTesting;
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CreateUnitTest( TestMatrixMul, "Math/Matrix/Multiply" )
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{
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// The purpose of this test is to verify that the matrix multiplication operation
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// always agrees with the different implementations of itself within a reasonable
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// epsilon.
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void run()
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{
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F32 m1[16], m2[16], mrC[16];
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// I am not positive that the best way to do this is to use random numbers
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// but I think that using some kind of standard matrix may not always catch
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// all problems.
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for( int i = 0; i < 16; i++ )
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{
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m1[i] = gRandGen.randF();
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m2[i] = gRandGen.randF();
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}
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// C will be the baseline
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default_matF_x_matF_C( m1, m2, mrC );
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#if defined(TORQUE_CPU_X86) && !defined(TORQUE_OS_MAC)
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// Check the CPU info
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U32 cpuProperties = Platform::SystemInfo.processor.properties;
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bool same = true;
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// Test 3D NOW! if it is available
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F32 mrAMD[16];
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if( cpuProperties & CPU_PROP_3DNOW )
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{
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Athlon_MatrixF_x_MatrixF( m1, m2, mrAMD );
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for( int i = 0; i < 16; i++ )
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same &= mIsEqual( mrC[i], mrAMD[i] );
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test( same, "Matrix multiplication verification failed. (C vs. 3D NOW!)" );
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}
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else
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warn( "Could not test 3D NOW! matrix multiplication because CPU does not support 3D NOW!." );
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same = true;
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// Test SSE if it is available
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F32 mrSSE[16];
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if( cpuProperties & CPU_PROP_SSE )
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{
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SSE_MatrixF_x_MatrixF( m1, m2, mrSSE );
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for( int i = 0; i < 16; i++ )
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same &= mIsEqual( mrC[i], mrSSE[i] );
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test( same, "Matrix multiplication verification failed. (C vs. SSE)" );
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}
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else
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warn( "Could not test SSE matrix multiplication because CPU does not support SSE." );
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same = true;
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#endif
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// If Altivec exists, test it!
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#if defined( __VEC__ )
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bool same = false;
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F32 mrVEC[16];
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vec_MatrixF_x_MatrixF( m1, m2, mrVEC );
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for( int i = 0; i < 16; i++ )
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same &= isEqual( mrC[i], mrVEC[i] );
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test( same, "Matrix multiplication verification failed. (C vs. Altivec)" );
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#else
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warn( "Could not test Altivec matrix multiplication because CPU does not support Altivec." );
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#endif
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}
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};
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