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Merge pull request #3147 from malortie/add-tests-to-c-api-2 

Added tests to C API missing functionalities in #3091
pull/3035/head^2
Kim Kulling 2020-04-15 22:34:54 +02:00 committed by GitHub
parent f7cab11a80 5377d740e8
commit c530635c03
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GPG Key ID: 4AEE18F83AFDEB23
10 changed files with 1147 additions and 13 deletions
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41
include/assimp/MathFunctions.h
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@ -55,36 +55,51 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
namespace Assimp {
namespace Math {
// TODO: use binary GCD for unsigned integers ....
template < typename IntegerType >
inline
IntegerType gcd( IntegerType a, IntegerType b ) {
/// @brief Will return the greatest common divisor.
/// @param a [in] Value a.
/// @param b [in] Value b.
/// @return The greatest common divisor.
template <typename IntegerType>
inline IntegerType gcd( IntegerType a, IntegerType b ) {
const IntegerType zero = (IntegerType)0;
while ( true ) {
if ( a == zero )
if ( a == zero ) {
return b;
}
b %= a;
if ( b == zero )
if ( b == zero ) {
return a;
}
a %= b;
}
}
/// @brief Will return the greatest common divisor.
/// @param a [in] Value a.
/// @param b [in] Value b.
/// @return The greatest common divisor.
template < typename IntegerType >
inline
IntegerType lcm( IntegerType a, IntegerType b ) {
inline IntegerType lcm( IntegerType a, IntegerType b ) {
const IntegerType t = gcd (a,b);
if (!t)
if (!t) {
return t;
}
return a / t * b;
}
/// @brief Will return the smallest epsilon-value for the requested type.
/// @return The numercical limit epsilon depending on its type.
template<class T>
inline
T getEpsilon() {
inline T getEpsilon() {
return std::numeric_limits<T>::epsilon();
}
/// @brief Will return the constant PI for the requested type.
/// @return Pi
template<class T>
inline T PI() {
return static_cast<T>(3.14159265358979323846);
}
}
} // namespace Math
} // namespace Assimp

8
test/CMakeLists.txt
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@ -61,6 +61,14 @@ SET( COMMON
unit/utIssues.cpp
unit/utAnim.cpp
unit/AssimpAPITest.cpp
unit/AssimpAPITest_aiMatrix3x3.cpp
unit/AssimpAPITest_aiMatrix4x4.cpp
unit/AssimpAPITest_aiQuaternion.cpp
unit/AssimpAPITest_aiVector2D.cpp
unit/AssimpAPITest_aiVector3D.cpp
unit/MathTest.cpp
unit/MathTest.h
unit/RandomNumberGeneration.h
unit/utBatchLoader.cpp
unit/utDefaultIOStream.cpp
unit/utFastAtof.cpp

151
test/unit/AssimpAPITest_aiMatrix3x3.cpp 100644
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@ -0,0 +1,151 @@
/*
---------------------------------------------------------------------------
Open Asset Import Library (assimp)
---------------------------------------------------------------------------
Copyright (c) 2006-2020, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the following
conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
---------------------------------------------------------------------------
*/
#include "UnitTestPCH.h"
#include "MathTest.h"
using namespace Assimp;
class AssimpAPITest_aiMatrix3x3 : public AssimpMathTest {
protected:
virtual void SetUp() {
result_c = result_cpp = aiMatrix3x3();
}
aiMatrix3x3 result_c, result_cpp;
};
TEST_F(AssimpAPITest_aiMatrix3x3, aiIdentityMatrix3Test) {
// Force a non-identity matrix.
result_c = aiMatrix3x3(0,0,0,0,0,0,0,0,0);
aiIdentityMatrix3(&result_c);
EXPECT_EQ(result_cpp, result_c);
}
TEST_F(AssimpAPITest_aiMatrix3x3, aiMatrix3FromMatrix4Test) {
const auto m = random_mat4();
result_cpp = aiMatrix3x3(m);
aiMatrix3FromMatrix4(&result_c, &m);
EXPECT_EQ(result_cpp, result_c);
}
TEST_F(AssimpAPITest_aiMatrix3x3, aiMatrix3FromQuaternionTest) {
const auto q = random_quat();
result_cpp = q.GetMatrix();
aiMatrix3FromQuaternion(&result_c, &q);
EXPECT_EQ(result_cpp, result_c);
}
TEST_F(AssimpAPITest_aiMatrix3x3, aiMatrix3AreEqualTest) {
result_c = result_cpp = random_mat3();
EXPECT_EQ(result_cpp == result_c,
(bool)aiMatrix3AreEqual(&result_cpp, &result_c));
}
TEST_F(AssimpAPITest_aiMatrix3x3, aiMatrix3AreEqualEpsilonTest) {
result_c = result_cpp = random_mat3();
EXPECT_EQ(result_cpp.Equal(result_c, Epsilon),
(bool)aiMatrix3AreEqualEpsilon(&result_cpp, &result_c, Epsilon));
}
TEST_F(AssimpAPITest_aiMatrix3x3, aiMultiplyMatrix3Test) {
const auto m = random_mat3();
result_c = result_cpp = random_mat3();
result_cpp *= m;
aiMultiplyMatrix3(&result_c, &m);
EXPECT_EQ(result_cpp, result_c);
}
TEST_F(AssimpAPITest_aiMatrix3x3, aiTransposeMatrix3Test) {
result_c = result_cpp = random_mat3();
result_cpp.Transpose();
aiTransposeMatrix3(&result_c);
EXPECT_EQ(result_cpp, result_c);
}
TEST_F(AssimpAPITest_aiMatrix3x3, aiMatrix3InverseTest) {
// Use a predetermined matrix to prevent arbitrary
// cases where it could have a null determinant.
result_c = result_cpp = aiMatrix3x3(
5, 2, 7,
4, 6, 9,
1, 8, 3);
result_cpp.Inverse();
aiMatrix3Inverse(&result_c);
EXPECT_EQ(result_cpp, result_c);
}
TEST_F(AssimpAPITest_aiMatrix3x3, aiMatrix3DeterminantTest) {
result_c = result_cpp = random_mat3();
EXPECT_EQ(result_cpp.Determinant(),
aiMatrix3Determinant(&result_c));
}
TEST_F(AssimpAPITest_aiMatrix3x3, aiMatrix3RotationZTest) {
const float angle(RandPI.next());
aiMatrix3x3::RotationZ(angle, result_cpp);
aiMatrix3RotationZ(&result_c, angle);
EXPECT_EQ(result_cpp, result_c);
}
TEST_F(AssimpAPITest_aiMatrix3x3, aiMatrix3FromRotationAroundAxisTest) {
const float angle(RandPI.next());
const auto axis = random_unit_vec3();
aiMatrix3x3::Rotation(angle, axis, result_cpp);
aiMatrix3FromRotationAroundAxis(&result_c, &axis, angle);
EXPECT_EQ(result_cpp, result_c);
}
TEST_F(AssimpAPITest_aiMatrix3x3, aiMatrix3TranslationTest) {
const auto axis = random_vec2();
aiMatrix3x3::Translation(axis, result_cpp);
aiMatrix3Translation(&result_c, &axis);
EXPECT_EQ(result_cpp, result_c);
}
TEST_F(AssimpAPITest_aiMatrix3x3, aiMatrix3FromToTest) {
// Use predetermined vectors to prevent running into division by zero.
const auto from = aiVector3D(1,2,1).Normalize(), to = aiVector3D(-1,1,1).Normalize();
aiMatrix3x3::FromToMatrix(from, to, result_cpp);
aiMatrix3FromTo(&result_c, &from, &to);
EXPECT_EQ(result_cpp, result_c);
}

259
test/unit/AssimpAPITest_aiMatrix4x4.cpp 100644
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@ -0,0 +1,259 @@
/*
---------------------------------------------------------------------------
Open Asset Import Library (assimp)
---------------------------------------------------------------------------
Copyright (c) 2006-2020, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the following
conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
---------------------------------------------------------------------------
*/
#include "UnitTestPCH.h"
#include "MathTest.h"
using namespace Assimp;
class AssimpAPITest_aiMatrix4x4 : public AssimpMathTest {
protected:
virtual void SetUp() {
result_c = result_cpp = aiMatrix4x4();
}
/* Generates a predetermined transformation matrix to use
for the aiDecompose functions to prevent running into
division by zero. */
aiMatrix4x4 get_predetermined_transformation_matrix_for_decomposition() const {
aiMatrix4x4 t, r;
aiMatrix4x4::Translation(aiVector3D(14,-25,-8), t);
aiMatrix4x4::Rotation(Math::PI<float>() / 4.0f, aiVector3D(1).Normalize(), r);
return t * r;
}
aiMatrix4x4 result_c, result_cpp;
};
TEST_F(AssimpAPITest_aiMatrix4x4, aiIdentityMatrix4Test) {
// Force a non-identity matrix.
result_c = aiMatrix4x4(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);
aiIdentityMatrix4(&result_c);
EXPECT_EQ(result_cpp, result_c);
}
TEST_F(AssimpAPITest_aiMatrix4x4, aiMatrix4FromMatrix3Test) {
aiMatrix3x3 m = random_mat3();
result_cpp = aiMatrix4x4(m);
aiMatrix4FromMatrix3(&result_c, &m);
EXPECT_EQ(result_cpp, result_c);
}
TEST_F(AssimpAPITest_aiMatrix4x4, aiMatrix4FromScalingQuaternionPositionTest) {
const aiVector3D s = random_vec3();
const aiQuaternion q = random_quat();
const aiVector3D t = random_vec3();
result_cpp = aiMatrix4x4(s, q, t);
aiMatrix4FromScalingQuaternionPosition(&result_c, &s, &q, &t);
EXPECT_EQ(result_cpp, result_c);
}
TEST_F(AssimpAPITest_aiMatrix4x4, aiMatrix4AddTest) {
const aiMatrix4x4 temp = random_mat4();
result_c = result_cpp = random_mat4();
result_cpp = result_cpp + temp;
aiMatrix4Add(&result_c, &temp);
EXPECT_EQ(result_cpp, result_c);
}
TEST_F(AssimpAPITest_aiMatrix4x4, aiMatrix4AreEqualTest) {
result_c = result_cpp = random_mat4();
EXPECT_EQ(result_cpp == result_c,
(bool)aiMatrix4AreEqual(&result_cpp, &result_c));
}
TEST_F(AssimpAPITest_aiMatrix4x4, aiMatrix4AreEqualEpsilonTest) {
result_c = result_cpp = random_mat4();
EXPECT_EQ(result_cpp.Equal(result_c, Epsilon),
(bool)aiMatrix4AreEqualEpsilon(&result_cpp, &result_c, Epsilon));
}
TEST_F(AssimpAPITest_aiMatrix4x4, aiMultiplyMatrix4Test) {
const auto m = random_mat4();
result_c = result_cpp = random_mat4();
result_cpp *= m;
aiMultiplyMatrix4(&result_c, &m);
EXPECT_EQ(result_cpp, result_c);
}
TEST_F(AssimpAPITest_aiMatrix4x4, aiTransposeMatrix4Test) {
result_c = result_cpp = random_mat4();
result_cpp.Transpose();
aiTransposeMatrix4(&result_c);
EXPECT_EQ(result_cpp, result_c);
}
TEST_F(AssimpAPITest_aiMatrix4x4, aiMatrix4InverseTest) {
// Use a predetermined matrix to prevent arbitrary
// cases where it could have a null determinant.
result_c = result_cpp = aiMatrix4x4(
6, 10, 15, 3,
14, 2, 12, 8,
9, 13, 5, 16,
4, 7, 11, 1);
result_cpp.Inverse();
aiMatrix4Inverse(&result_c);
EXPECT_EQ(result_cpp, result_c);
}
TEST_F(AssimpAPITest_aiMatrix4x4, aiMatrix4DeterminantTest) {
result_c = result_cpp = random_mat4();
EXPECT_EQ(result_cpp.Determinant(),
aiMatrix4Determinant(&result_c));
}
TEST_F(AssimpAPITest_aiMatrix4x4, aiMatrix4IsIdentityTest) {
EXPECT_EQ(result_cpp.IsIdentity(),
(bool)aiMatrix4IsIdentity(&result_c));
}
TEST_F(AssimpAPITest_aiMatrix4x4, aiDecomposeMatrixTest) {
aiVector3D scaling_c, scaling_cpp,
position_c, position_cpp;
aiQuaternion rotation_c, rotation_cpp;
result_c = result_cpp = get_predetermined_transformation_matrix_for_decomposition();
result_cpp.Decompose(scaling_cpp, rotation_cpp, position_cpp);
aiDecomposeMatrix(&result_c, &scaling_c, &rotation_c, &position_c);
EXPECT_EQ(scaling_cpp, scaling_c);
EXPECT_EQ(position_cpp, position_c);
EXPECT_EQ(rotation_cpp, rotation_c);
}
TEST_F(AssimpAPITest_aiMatrix4x4, aiMatrix4DecomposeIntoScalingEulerAnglesPositionTest) {
aiVector3D scaling_c, scaling_cpp,
rotation_c, rotation_cpp,
position_c, position_cpp;
result_c = result_cpp = get_predetermined_transformation_matrix_for_decomposition();
result_cpp.Decompose(scaling_cpp, rotation_cpp, position_cpp);
aiMatrix4DecomposeIntoScalingEulerAnglesPosition(&result_c, &scaling_c, &rotation_c, &position_c);
EXPECT_EQ(scaling_cpp, scaling_c);
EXPECT_EQ(position_cpp, position_c);
EXPECT_EQ(rotation_cpp, rotation_c);
}
TEST_F(AssimpAPITest_aiMatrix4x4, aiMatrix4DecomposeIntoScalingAxisAnglePositionTest) {
aiVector3D scaling_c, scaling_cpp,
axis_c, axis_cpp,
position_c, position_cpp;
float angle_c, angle_cpp;
result_c = result_cpp = get_predetermined_transformation_matrix_for_decomposition();
result_cpp.Decompose(scaling_cpp, axis_cpp, angle_cpp, position_cpp);
aiMatrix4DecomposeIntoScalingAxisAnglePosition(&result_c, &scaling_c, &axis_c, &angle_c, &position_c);
EXPECT_EQ(scaling_cpp, scaling_c);
EXPECT_EQ(axis_cpp, axis_c);
EXPECT_EQ(angle_cpp, angle_c);
EXPECT_EQ(position_cpp, position_c);
}
TEST_F(AssimpAPITest_aiMatrix4x4, aiMatrix4DecomposeNoScalingTest) {
aiVector3D position_c, position_cpp;
aiQuaternion rotation_c, rotation_cpp;
result_c = result_cpp = get_predetermined_transformation_matrix_for_decomposition();
result_cpp.DecomposeNoScaling(rotation_cpp, position_cpp);
aiMatrix4DecomposeNoScaling(&result_c, &rotation_c, &position_c);
EXPECT_EQ(position_cpp, position_c);
EXPECT_EQ(rotation_cpp, rotation_c);
}
TEST_F(AssimpAPITest_aiMatrix4x4, aiMatrix4FromEulerAnglesTest) {
const float x(RandPI.next()),
y(RandPI.next()),
z(RandPI.next());
result_cpp.FromEulerAnglesXYZ(x, y, z);
aiMatrix4FromEulerAngles(&result_c, x, y, z);
EXPECT_EQ(result_cpp, result_c);
}
TEST_F(AssimpAPITest_aiMatrix4x4, aiMatrix4RotationXTest) {
const float angle(RandPI.next());
aiMatrix4x4::RotationX(angle, result_cpp);
aiMatrix4RotationX(&result_c, angle);
EXPECT_EQ(result_cpp, result_c);
}
TEST_F(AssimpAPITest_aiMatrix4x4, aiMatrix4RotationYTest) {
const float angle(RandPI.next());
aiMatrix4x4::RotationY(angle, result_cpp);
aiMatrix4RotationY(&result_c, angle);
EXPECT_EQ(result_cpp, result_c);
}
TEST_F(AssimpAPITest_aiMatrix4x4, aiMatrix4RotationZTest) {
const float angle(RandPI.next());
aiMatrix4x4::RotationZ(angle, result_cpp);
aiMatrix4RotationZ(&result_c, angle);
EXPECT_EQ(result_cpp, result_c);
}
TEST_F(AssimpAPITest_aiMatrix4x4, aiMatrix4FromRotationAroundAxisTest) {
const float angle(RandPI.next());
const auto axis = random_unit_vec3();
aiMatrix4x4::Rotation(angle, axis, result_cpp);
aiMatrix4FromRotationAroundAxis(&result_c, &axis, angle);
EXPECT_EQ(result_cpp, result_c);
}
TEST_F(AssimpAPITest_aiMatrix4x4, aiMatrix4TranslationTest) {
const auto axis = random_vec3();
aiMatrix4x4::Translation(axis, result_cpp);
aiMatrix4Translation(&result_c, &axis);
EXPECT_EQ(result_cpp, result_c);
}
TEST_F(AssimpAPITest_aiMatrix4x4, aiMatrix4ScalingTest) {
const auto scaling = random_vec3();
aiMatrix4x4::Scaling(scaling, result_cpp);
aiMatrix4Scaling(&result_c, &scaling);
EXPECT_EQ(result_cpp, result_c);
}
TEST_F(AssimpAPITest_aiMatrix4x4, aiMatrix4FromToTest) {
// Use predetermined vectors to prevent running into division by zero.
const auto from = aiVector3D(1,2,1).Normalize(), to = aiVector3D(-1,1,1).Normalize();
aiMatrix4x4::FromToMatrix(from, to, result_cpp);
aiMatrix4FromTo(&result_c, &from, &to);
EXPECT_EQ(result_cpp, result_c);
}

135
test/unit/AssimpAPITest_aiQuaternion.cpp 100644
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@ -0,0 +1,135 @@
/*
---------------------------------------------------------------------------
Open Asset Import Library (assimp)
---------------------------------------------------------------------------
Copyright (c) 2006-2020, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the following
conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
---------------------------------------------------------------------------
*/
#include "UnitTestPCH.h"
#include "MathTest.h"
using namespace Assimp;
class AssimpAPITest_aiQuaternion : public AssimpMathTest {
protected:
virtual void SetUp() {
result_c = result_cpp = aiQuaternion();
}
aiQuaternion result_c, result_cpp;
};
TEST_F(AssimpAPITest_aiQuaternion, aiCreateQuaternionFromMatrixTest) {
// Use a predetermined transformation matrix
// to prevent running into division by zero.
aiMatrix3x3 m, r;
aiMatrix3x3::Translation(aiVector2D(14,-25), m);
aiMatrix3x3::RotationZ(Math::PI<float>() / 4.0f, r);
m = m * r;
result_cpp = aiQuaternion(m);
aiCreateQuaternionFromMatrix(&result_c, &m);
EXPECT_EQ(result_cpp, result_c);
}
TEST_F(AssimpAPITest_aiQuaternion, aiQuaternionFromEulerAnglesTest) {
const float x(RandPI.next()),
y(RandPI.next()),
z(RandPI.next());
result_cpp = aiQuaternion(x, y, z);
aiQuaternionFromEulerAngles(&result_c, x, y, z);
EXPECT_EQ(result_cpp, result_c);
}
TEST_F(AssimpAPITest_aiQuaternion, aiQuaternionFromAxisAngleTest) {
const float angle(RandPI.next());
const aiVector3D axis(random_unit_vec3());
result_cpp = aiQuaternion(axis, angle);
aiQuaternionFromAxisAngle(&result_c, &axis, angle);
EXPECT_EQ(result_cpp, result_c);
}
TEST_F(AssimpAPITest_aiQuaternion, aiQuaternionFromNormalizedQuaternionTest) {
const auto qvec3 = random_unit_vec3();
result_cpp = aiQuaternion(qvec3);
aiQuaternionFromNormalizedQuaternion(&result_c, &qvec3);
EXPECT_EQ(result_cpp, result_c);
}
TEST_F(AssimpAPITest_aiQuaternion, aiQuaternionAreEqualTest) {
result_c = result_cpp = random_quat();
EXPECT_EQ(result_cpp == result_c,
(bool)aiQuaternionAreEqual(&result_cpp, &result_c));
}
TEST_F(AssimpAPITest_aiQuaternion, aiQuaternionAreEqualEpsilonTest) {
result_c = result_cpp = random_quat();
EXPECT_EQ(result_cpp.Equal(result_c, Epsilon),
(bool)aiQuaternionAreEqualEpsilon(&result_cpp, &result_c, Epsilon));
}
TEST_F(AssimpAPITest_aiQuaternion, aiQuaternionNormalizeTest) {
result_c = result_cpp = random_quat();
aiQuaternionNormalize(&result_c);
EXPECT_EQ(result_cpp.Normalize(), result_c);
}
TEST_F(AssimpAPITest_aiQuaternion, aiQuaternionConjugateTest) {
result_c = result_cpp = random_quat();
aiQuaternionConjugate(&result_c);
EXPECT_EQ(result_cpp.Conjugate(), result_c);
}
TEST_F(AssimpAPITest_aiQuaternion, aiQuaternionMultiplyTest) {
const aiQuaternion temp = random_quat();
result_c = result_cpp = random_quat();
result_cpp = result_cpp * temp;
aiQuaternionMultiply(&result_c, &temp);
EXPECT_EQ(result_cpp, result_c);
}
TEST_F(AssimpAPITest_aiQuaternion, aiQuaternionInterpolateTest) {
// Use predetermined quaternions to prevent division by zero
// during slerp calculations.
const float INTERPOLATION(0.5f);
const auto q1 = aiQuaternion(aiVector3D(-1,1,1).Normalize(), Math::PI<float>() / 4.0f);
const auto q2 = aiQuaternion(aiVector3D(1,2,1).Normalize(), Math::PI<float>() / 2.0f);
aiQuaternion::Interpolate(result_cpp, q1, q2, INTERPOLATION);
aiQuaternionInterpolate(&result_c, &q1, &q2, INTERPOLATION);
EXPECT_EQ(result_cpp, result_c);
}

140
test/unit/AssimpAPITest_aiVector2D.cpp 100644
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/*
---------------------------------------------------------------------------
Open Asset Import Library (assimp)
---------------------------------------------------------------------------
Copyright (c) 2006-2020, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the following
conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
---------------------------------------------------------------------------
*/
#include "UnitTestPCH.h"
#include "MathTest.h"
using namespace Assimp;
class AssimpAPITest_aiVector2D : public AssimpMathTest {
protected:
virtual void SetUp() {
result_c = result_cpp = aiVector2D();
temp = random_vec2(); // Generates a random 2D vector != null vector.
}
aiVector2D result_c, result_cpp, temp;
};
TEST_F(AssimpAPITest_aiVector2D, aiVector2AreEqualTest) {
result_c = result_cpp = random_vec2();
EXPECT_EQ(result_cpp == result_c,
(bool)aiVector2AreEqual(&result_cpp, &result_c));
}
TEST_F(AssimpAPITest_aiVector2D, aiVector2AreEqualEpsilonTest) {
result_c = result_cpp = random_vec2();
EXPECT_EQ(result_cpp.Equal(result_c, Epsilon),
(bool)aiVector2AreEqualEpsilon(&result_cpp, &result_c, Epsilon));
}
TEST_F(AssimpAPITest_aiVector2D, aiVector2AddTest) {
result_c = result_cpp = random_vec2();
result_cpp += temp;
aiVector2Add(&result_c, &temp);
EXPECT_EQ(result_cpp, result_c);
}
TEST_F(AssimpAPITest_aiVector2D, aiVector2SubtractTest) {
result_c = result_cpp = random_vec2();
result_cpp -= temp;
aiVector2Subtract(&result_c, &temp);
EXPECT_EQ(result_cpp, result_c);
}
TEST_F(AssimpAPITest_aiVector2D, aiVector2ScaleTest) {
const float FACTOR = RandNonZero.next();
result_c = result_cpp = random_vec2();
result_cpp *= FACTOR;
aiVector2Scale(&result_c, FACTOR);
EXPECT_EQ(result_cpp, result_c);
}
TEST_F(AssimpAPITest_aiVector2D, aiVector2SymMulTest) {
result_c = result_cpp = random_vec2();
result_cpp = result_cpp.SymMul(temp);
aiVector2SymMul(&result_c, &temp);
EXPECT_EQ(result_cpp, result_c);
}
TEST_F(AssimpAPITest_aiVector2D, aiVector2DivideByScalarTest) {
const float DIVISOR = RandNonZero.next();
result_c = result_cpp = random_vec2();
result_cpp /= DIVISOR;
aiVector2DivideByScalar(&result_c, DIVISOR);
EXPECT_EQ(result_cpp, result_c);
}
TEST_F(AssimpAPITest_aiVector2D, aiVector2DivideByVectorTest) {
result_c = result_cpp = random_vec2();
result_cpp = result_cpp / temp;
aiVector2DivideByVector(&result_c, &temp);
EXPECT_EQ(result_cpp, result_c);
}
TEST_F(AssimpAPITest_aiVector2D, aiVector2LengthTest) {
result_c = result_cpp = random_vec2();
EXPECT_EQ(result_cpp.Length(), aiVector2Length(&result_c));
}
TEST_F(AssimpAPITest_aiVector2D, aiVector2SquareLengthTest) {
result_c = result_cpp = random_vec2();
EXPECT_EQ(result_cpp.SquareLength(), aiVector2SquareLength(&result_c));
}
TEST_F(AssimpAPITest_aiVector2D, aiVector2NegateTest) {
result_c = result_cpp = random_vec2();
aiVector2Negate(&result_c);
EXPECT_EQ(-result_cpp, result_c);
}
TEST_F(AssimpAPITest_aiVector2D, aiVector2DotProductTest) {
result_c = result_cpp = random_vec2();
EXPECT_EQ(result_cpp * result_c,
aiVector2DotProduct(&result_cpp, &result_c));
}
TEST_F(AssimpAPITest_aiVector2D, aiVector2NormalizeTest) {
result_c = result_cpp = random_vec2();
aiVector2Normalize(&result_c);
EXPECT_EQ(result_cpp.Normalize(), result_c);
}

185
test/unit/AssimpAPITest_aiVector3D.cpp 100644
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/*
---------------------------------------------------------------------------
Open Asset Import Library (assimp)
---------------------------------------------------------------------------
Copyright (c) 2006-2020, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the following
conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
---------------------------------------------------------------------------
*/
#include "UnitTestPCH.h"
#include "MathTest.h"
using namespace Assimp;
class AssimpAPITest_aiVector3D : public AssimpMathTest {
protected:
virtual void SetUp() {
result_c = result_cpp = aiVector3D();
temp = random_vec3(); // Generates a random 3D vector != null vector.
}
aiVector3D result_c, result_cpp, temp;
};
TEST_F(AssimpAPITest_aiVector3D, aiVector3AreEqualTest) {
result_c = result_cpp = random_vec3();
EXPECT_EQ(result_cpp == result_c,
(bool)aiVector3AreEqual(&result_cpp, &result_c));
}
TEST_F(AssimpAPITest_aiVector3D, aiVector3AreEqualEpsilonTest) {
result_c = result_cpp = random_vec3();
EXPECT_EQ(result_cpp.Equal(result_c, Epsilon),
(bool)aiVector3AreEqualEpsilon(&result_cpp, &result_c, Epsilon));
}
TEST_F(AssimpAPITest_aiVector3D, aiVector3LessThanTest) {
result_c = result_cpp = random_vec3();
EXPECT_EQ(result_cpp < temp,
(bool)aiVector3LessThan(&result_c, &temp));
}
TEST_F(AssimpAPITest_aiVector3D, aiVector3AddTest) {
result_c = result_cpp = random_vec3();
result_cpp += temp;
aiVector3Add(&result_c, &temp);
EXPECT_EQ(result_cpp, result_c);
}
TEST_F(AssimpAPITest_aiVector3D, aiVector3SubtractTest) {
result_c = result_cpp = random_vec3();
result_cpp -= temp;
aiVector3Subtract(&result_c, &temp);
EXPECT_EQ(result_cpp, result_c);
}
TEST_F(AssimpAPITest_aiVector3D, aiVector3ScaleTest) {
const float FACTOR = RandNonZero.next();
result_c = result_cpp = random_vec3();
result_cpp *= FACTOR;
aiVector3Scale(&result_c, FACTOR);
EXPECT_EQ(result_cpp, result_c);
}
TEST_F(AssimpAPITest_aiVector3D, aiVector3SymMulTest) {
result_c = result_cpp = random_vec3();
result_cpp = result_cpp.SymMul(temp);
aiVector3SymMul(&result_c, &temp);
EXPECT_EQ(result_cpp, result_c);
}
TEST_F(AssimpAPITest_aiVector3D, aiVector3DivideByScalarTest) {
const float DIVISOR = RandNonZero.next();
result_c = result_cpp = random_vec3();
result_cpp /= DIVISOR;
aiVector3DivideByScalar(&result_c, DIVISOR);
EXPECT_EQ(result_cpp, result_c);
}
TEST_F(AssimpAPITest_aiVector3D, aiVector3DivideByVectorTest) {
result_c = result_cpp = random_vec3();
result_cpp = result_cpp / temp;
aiVector3DivideByVector(&result_c, &temp);
EXPECT_EQ(result_cpp, result_c);
}
TEST_F(AssimpAPITest_aiVector3D, aiVector3LengthTest) {
result_c = result_cpp = random_vec3();
EXPECT_EQ(result_cpp.Length(), aiVector3Length(&result_c));
}
TEST_F(AssimpAPITest_aiVector3D, aiVector3SquareLengthTest) {
result_c = result_cpp = random_vec3();
EXPECT_EQ(result_cpp.SquareLength(), aiVector3SquareLength(&result_c));
}
TEST_F(AssimpAPITest_aiVector3D, aiVector3NegateTest) {
result_c = result_cpp = random_vec3();
aiVector3Negate(&result_c);
EXPECT_EQ(-result_cpp, result_c);
}
TEST_F(AssimpAPITest_aiVector3D, aiVector3DotProductTest) {
result_c = result_cpp = random_vec3();
EXPECT_EQ(result_cpp * result_c,
aiVector3DotProduct(&result_cpp, &result_c));
}
TEST_F(AssimpAPITest_aiVector3D, aiVector3CrossProductTest) {
result_c = result_cpp = random_vec3();
result_cpp = result_cpp ^ temp;
aiVector3CrossProduct(&result_c, &result_c, &temp);
EXPECT_EQ(result_cpp, result_c);
}
TEST_F(AssimpAPITest_aiVector3D, aiVector3NormalizeTest) {
result_c = result_cpp = random_vec3();
aiVector3Normalize(&result_c);
EXPECT_EQ(result_cpp.Normalize(), result_c);
}
TEST_F(AssimpAPITest_aiVector3D, aiVector3NormalizeSafeTest) {
result_c = result_cpp = random_vec3();
aiVector3NormalizeSafe(&result_c);
EXPECT_EQ(result_cpp.NormalizeSafe(), result_c);
}
TEST_F(AssimpAPITest_aiVector3D, aiVector3RotateByQuaternionTest) {
aiVector3D v_c, v_cpp;
v_c = v_cpp = random_vec3();
const auto q = random_quat();
aiVector3RotateByQuaternion(&v_c, &q);
EXPECT_EQ(q.Rotate(v_cpp), v_c);
}
TEST_F(AssimpAPITest_aiVector3D, aiTransformVecByMatrix3Test) {
const auto m = random_mat3();
aiVector3D v_c, v_cpp;
v_c = v_cpp = random_vec3();
v_cpp *= m;
aiTransformVecByMatrix3(&v_c, &m);
EXPECT_EQ(v_cpp, v_c);
}
TEST_F(AssimpAPITest_aiVector3D, aiTransformVecByMatrix4Test) {
const auto m = random_mat4();
aiVector3D v_c, v_cpp;
v_c = v_cpp = random_vec3();
v_cpp *= m;
aiTransformVecByMatrix4(&v_c, &m);
EXPECT_EQ(v_cpp, v_c);
}

56
test/unit/MathTest.cpp 100644
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/*
---------------------------------------------------------------------------
Open Asset Import Library (assimp)
---------------------------------------------------------------------------
Copyright (c) 2006-2020, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the following
conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
---------------------------------------------------------------------------
*/
#include "MathTest.h"
namespace Assimp {
// Initialize epsilon value.
const float AssimpMathTest::Epsilon = Math::getEpsilon<float>();
// Initialize with an interval of [1,100].
RandomUniformFloatGenerator AssimpMathTest::RandNonZero(1.0f, 100.0f);
// Initialize with an interval of [-PI,PI] inclusively.
RandomUniformFloatGenerator AssimpMathTest::RandPI(-Math::PI<float>(), Math::PI<float>());
}

103
test/unit/MathTest.h 100644
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@ -0,0 +1,103 @@
/*
---------------------------------------------------------------------------
Open Asset Import Library (assimp)
---------------------------------------------------------------------------
Copyright (c) 2006-2020, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the following
conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
---------------------------------------------------------------------------
*/
#ifndef ASSIMP_MATH_TEST_H
#define ASSIMP_MATH_TEST_H
#include "UnitTestPCH.h"
#include <assimp/types.h>
#include "RandomNumberGeneration.h"
namespace Assimp {
/** Custom test class providing several math related utilities. */
class AssimpMathTest : public ::testing::Test {
public:
/** Return a random non-null 2D vector. */
inline static aiVector2D random_vec2() {
return aiVector2D(RandNonZero.next(), RandNonZero.next());
}
/** Return a random non-null 3D vector. */
inline static aiVector3D random_vec3() {
return aiVector3D(RandNonZero.next(), RandNonZero.next(),RandNonZero.next());
}
/** Return a random unit 3D vector. */
inline static aiVector3D random_unit_vec3() {
return random_vec3().NormalizeSafe();
}
/** Return a quaternion with random orientation and
* rotation angle around axis. */
inline static aiQuaternion random_quat() {
return aiQuaternion(random_unit_vec3(), RandPI.next());
}
/** Return a random non-null 3x3 matrix. */
inline static aiMatrix3x3 random_mat3() {
return aiMatrix3x3(
RandNonZero.next(), RandNonZero.next(),RandNonZero.next(),
RandNonZero.next(), RandNonZero.next(),RandNonZero.next(),
RandNonZero.next(), RandNonZero.next(),RandNonZero.next());
}
/** Return a random non-null 4x4 matrix. */
inline static aiMatrix4x4 random_mat4() {
return aiMatrix4x4(
RandNonZero.next(), RandNonZero.next(),RandNonZero.next(), RandNonZero.next(),
RandNonZero.next(), RandNonZero.next(),RandNonZero.next(), RandNonZero.next(),
RandNonZero.next(), RandNonZero.next(),RandNonZero.next(), RandNonZero.next(),
RandNonZero.next(), RandNonZero.next(),RandNonZero.next(), RandNonZero.next());
}
/** Epsilon value to use in tests. */
static const float Epsilon;
/** Random number generators. */
static RandomUniformFloatGenerator RandNonZero, RandPI;
};
}
#endif // ASSIMP_MATH_TEST_H

82
test/unit/RandomNumberGeneration.h 100644
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/*
---------------------------------------------------------------------------
Open Asset Import Library (assimp)
---------------------------------------------------------------------------
Copyright (c) 2006-2020, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the following
conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
---------------------------------------------------------------------------
*/
#ifndef ASSIMP_RANDOM_NUMBER_GENERATION_H
#define ASSIMP_RANDOM_NUMBER_GENERATION_H
#include <random>
namespace Assimp {
/** Helper class to use for generating pseudo-random
* real numbers, with a uniform distribution. */
template<typename T>
class RandomUniformRealGenerator {
public:
RandomUniformRealGenerator() :
dist_(),
rd_(),
re_(rd_()) {
// empty
}
RandomUniformRealGenerator(T min, T max) :
dist_(min, max),
rd_(),
re_(rd_()) {
// empty
}
inline T next() {
return dist_(re_);
}
private:
std::uniform_real_distribution<T> dist_;
std::random_device rd_;
std::default_random_engine re_;
};
using RandomUniformFloatGenerator = RandomUniformRealGenerator<float>;
}
#endif // ASSIMP_RANDOM_NUMBER_GENERATION_H