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Add initial matrix tests

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This commit is contained in:
Pavel Krajcevski 2014-02-20 15:34:12 -05:00
parent 62cce58c2f
commit 1b7691993d
3 changed files with 188 additions and 105 deletions
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153
Base/include/MatrixBase.h
View file

@ -30,99 +30,45 @@
namespace FasTC {
template <typename T, const int nRows, const int nCols>
class MatrixBase {
protected:
// Vector representation
static const int kNumElements = nRows * nCols;
T mat[kNumElements];
class MatrixBase : public VectorBase<T, nRows * nCols> {
private:
typedef VectorBase<T, nRows * nCols> Base;
public:
static const int Size = Base::Size;
// Constructors
MatrixBase() { }
MatrixBase(const MatrixBase<T, nRows, nCols> &other) {
for(int i = 0; i < kNumElements; i++) {
mat[i] = other[i];
for(int i = 0; i < Size; i++) {
(*this)[i] = other[i];
}
}
// Accessors
T &operator()(int idx) { return mat[idx]; }
const T &operator()(int idx) const { return mat[idx]; }
T &operator()(int r, int c) { return mat[r * nCols + c]; }
const T &operator() const (int r, int c) { return mat[r * nCols + c]; }
T &operator()(int idx) { return Base::operator()(idx); }
T &operator[](int idx) { return Base::operator[](idx); }
const T &operator()(int idx) const { return Base::operator()(idx); }
const T &operator[](int idx) const { return Base::operator[](idx); }
T &operator[](int idx) { return mat[idx]; }
const T &operator[](int idx) const { return mat[idx]; }
T &operator()(int r, int c) { return (*this)[r * nCols + c]; }
const T &operator() (int r, int c) const { return (*this)[r * nCols + c]; }
// Operators
template<typename _T>
MatrixBase<T, nRows, nCols> operator+(const MatrixBase<_T, nRows, nCols> &m) {
MatrixBase<T, nRows, nCols> a;
for(int i = 0; i < kNumElements; i++) {
a[i] = mat[i] + m[i];
}
return a;
}
template<typename _T>
MatrixBase<T, nRows, nCols> &operator+=(const MatrixBase<_T, nRows, nCols> &m) {
for(int i = 0; i < kNumElements; i++) {
mat[i] += m[i];
}
// Allow casts to the respective array representation...
operator const T *() const { return this->vec; }
MatrixBase<T, nRows, nCols> &operator=(const T *v) {
for(int i = 0; i < Size; i++)
(*this)[i] = v[i];
return *this;
}
// Allows casting to other vector types if the underlying type system does as well...
template<typename _T>
MatrixBase<T, nRows, nCols> operator-(const MatrixBase<_T, nRows, nCols> &m) {
MatrixBase<T, nRows, nCols> a;
for(int i = 0; i < kNumElements; i++) {
a[i] = mat[i] - m[i];
operator MatrixBase<_T, nRows, nCols>() const {
MatrixBase<_T, nRows, nCols> ret;
for(int i = 0; i < Size; i++) {
ret[i] = static_cast<_T>(this->vec[i]);
}
return a;
}
template<typename _T>
MatrixBase<T, nRows, nCols> &operator-=(const MatrixBase<_T, nRows, nCols> &m) {
for(int i = 0; i < kNumElements; i++) {
mat[i] -= m[i];
}
return *this;
}
template<typename _T>
MatrixBase<T, nRows, nCols> operator*(_T s) {
MatrixBase<T, nRows, nCols> a;
for(int i = 0; i < kNumElements; i++) {
a[i] = mat[i] * s;
}
return a;
}
template<typename _T>
MatrixBase<T, nRows, nCols> &operator*=(_T s) {
for(int i = 0; i < kNumElements; i++) {
mat[i] *= s;
}
return *this;
}
template<typename _T>
MatrixBase<T, nRows, nCols> operator/(_T s) {
MatrixBase<T, nRows, nCols> a;
for(int i = 0; i < kNumElements; i++) {
a[i] = mat[i] / s;
}
return a;
}
template<typename _T>
MatrixBase<T, nRows, nCols> &operator/=(_T s) {
for(int i = 0; i < kNumElements; i++) {
mat[i] /= s;
}
return *this;
return ret;
}
// Matrix multiplication
@ -152,40 +98,41 @@ namespace FasTC {
return result;
}
// Outer product...
template<typename _T, typename _U, const int N, const int M>
friend MatrixBase<_T, N, M> operator^(
const VectorBase<_T, N> &a,
const VectorBase<_U, M> &b
) {
MatrixBase<_T, N, M> result;
for(int i = 0; i < N; i++)
for(int j = 0; j < M; j++)
result(i, j) = a[i] * b[j];
return result;
}
template<typename _T, typename _U, const int N, const int M>
friend MatrixBase<_T, N, M> OuterProduct(
const VectorBase<_T, N> &a,
const VectorBase<_U, M> &b
) {
return a ^ b;
}
// Double dot product
template<typename _T>
T DDot(const MatrixBase<_T, nRows, nCols> &m) {
T result = 0;
for(int i = 0; i < kNumElements; i++) {
result += mat[i] * m[i];
for(int i = 0; i < Size; i++) {
result += (*this)[i] * m[i];
}
return result;
}
};
// Outer product...
template<typename _T, typename _U, const int N, const int M>
MatrixBase<_T, N, M> operator^(
const VectorBase<_T, N> &a,
const VectorBase<_U, M> &b
) {
MatrixBase<_T, N, M> result;
for(int i = 0; i < N; i++)
for(int j = 0; j < M; j++)
result(i, j) = a[i] * b[j];
return result;
}
template<typename _T, typename _U, const int N, const int M>
MatrixBase<_T, N, M> OuterProduct(
const VectorBase<_T, N> &a,
const VectorBase<_U, M> &b
) {
return a ^ b;
}
};
#endif // BASE_INCLUDE_MATRIXBASE_H_

6
Base/test/CMakeLists.txt
View file

@ -55,7 +55,7 @@ INCLUDE_DIRECTORIES(${FasTC_BINARY_DIR}/Base/include )
INCLUDE_DIRECTORIES(${FasTC_SOURCE_DIR}/GTest/include)
SET(TESTS
Vector Pixel Image Color
Vector Matrix Pixel Image Color
)
FOREACH(TEST ${TESTS})
@ -70,7 +70,9 @@ FOREACH(TEST ${TESTS})
ADD_EXECUTABLE(${TEST_NAME} ${TEST_MODULE})
# Vector tests need to use uninitialized variables
IF(${TEST_NAME} STREQUAL "Test_Base_Vector")
IF((${TEST_NAME} STREQUAL "Test_Base_Vector")
OR
(${TEST_NAME} STREQUAL "Test_Base_Matrix"))
IF(CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUXX)
SET_TARGET_PROPERTIES(
${TEST_NAME}

134
Base/test/TestMatrix.cpp Normal file
View file

@ -0,0 +1,134 @@
/* FasTC
* Copyright (c) 2014 University of North Carolina at Chapel Hill.
* All rights reserved.
*
* Permission to use, copy, modify, and distribute this software and its
* documentation for educational, research, and non-profit purposes, without
* fee, and without a written agreement is hereby granted, provided that the
* above copyright notice, this paragraph, and the following four paragraphs
* appear in all copies.
*
* Permission to incorporate this software into commercial products may be
* obtained by contacting the authors or the Office of Technology Development
* at the University of North Carolina at Chapel Hill <otd@unc.edu>.
*
* This software program and documentation are copyrighted by the University of
* North Carolina at Chapel Hill. The software program and documentation are
* supplied "as is," without any accompanying services from the University of
* North Carolina at Chapel Hill or the authors. The University of North
* Carolina at Chapel Hill and the authors do not warrant that the operation of
* the program will be uninterrupted or error-free. The end-user understands
* that the program was developed for research purposes and is advised not to
* rely exclusively on the program for any reason.
*
* IN NO EVENT SHALL THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL OR THE
* AUTHORS BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL,
* OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS, ARISING OUT OF THE USE OF
* THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF NORTH CAROLINA
* AT CHAPEL HILL OR THE AUTHORS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
* THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL AND THE AUTHORS SPECIFICALLY
* DISCLAIM ANY WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE AND ANY
* STATUTORY WARRANTY OF NON-INFRINGEMENT. THE SOFTWARE PROVIDED HEREUNDER IS ON
* AN "AS IS" BASIS, AND THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL AND
* THE AUTHORS HAVE NO OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT, UPDATES,
* ENHANCEMENTS, OR MODIFICATIONS.
*
* Please send all BUG REPORTS to <pavel@cs.unc.edu>.
*
* The authors may be contacted via:
*
* Pavel Krajcevski
* Dept of Computer Science
* 201 S Columbia St
* Frederick P. Brooks, Jr. Computer Science Bldg
* Chapel Hill, NC 27599-3175
* USA
*
* <http://gamma.cs.unc.edu/FasTC/>
*/
#include "gtest/gtest.h"
#include "MatrixBase.h"
static const float kEpsilon = 1e-6;
TEST(MatrixBase, Constructors) {
FasTC::MatrixBase<float, 3, 4> m3f;
FasTC::MatrixBase<double, 1, 1> m1d;
FasTC::MatrixBase<int, 7, 200> m7i;
FasTC::MatrixBase<unsigned, 16, 16> m16u;
#define TEST_VECTOR_COPY_CONS(mat, t, n, m) \
do { \
FasTC::MatrixBase<t, n, m> d##mat (mat); \
for(int i = 0; i < n*m; i++) { \
EXPECT_EQ(d##mat [i], mat[i]); \
} \
} while(0) \
TEST_VECTOR_COPY_CONS(m3f, float, 3, 4);
TEST_VECTOR_COPY_CONS(m1d, double, 1, 1);
TEST_VECTOR_COPY_CONS(m7i, int, 7, 200);
TEST_VECTOR_COPY_CONS(m16u, unsigned, 16, 16);
#undef TEST_VECTOR_COPY_CONS
}
TEST(MatrixBase, Accessors) {
FasTC::MatrixBase<float, 3, 1> v3f;
v3f[0] = 1.0f;
v3f[1] = -2.3f;
v3f[2] = 1000;
for(int i = 0; i < 3; i++) {
EXPECT_EQ(v3f[i], v3f(i));
}
v3f(0) = -1.0f;
v3f(1) = 2.3f;
v3f(2) = -1000;
for(int i = 0; i < 3; i++) {
EXPECT_EQ(v3f(i), v3f[i]);
}
}
TEST(MatrixBase, PointerConversion) {
FasTC::MatrixBase<float, 2, 3> v3f;
v3f(0,0) = 1.0f;
v3f(0,1) = -2.3f;
v3f(0,2) = 1000.0f;
v3f(1,0) = 1.0f;
v3f(1,1) = -2.3f;
v3f(1,2) = 1000.0f;
float cmp[6] = { 1.0f, -2.3f, 1000.0f, 1.0f, -2.3f, 1000.0f };
const float *v3fp = v3f;
int result = memcmp(cmp, v3fp, 6 * sizeof(float));
EXPECT_EQ(result, 0);
cmp[0] = -1.0f;
cmp[1] = 2.3f;
cmp[2] = 1000.0f;
cmp[3] = -1.0f;
cmp[4] = 2.3f;
cmp[5] = 1000.0f;
v3f = cmp;
for(int i = 0; i < 3; i++) {
EXPECT_EQ(v3f[i], cmp[i]);
}
}
TEST(MatrixBase, CastVector) {
FasTC::MatrixBase<float, 3, 2> v3f;
FasTC::MatrixBase<double, 3, 2> v3d = v3f;
FasTC::MatrixBase<int, 3, 2> v3i = v3f;
for(int i = 0; i < 3*2; i++) {
EXPECT_EQ(v3d(i), static_cast<double>(v3f(i)));
EXPECT_EQ(v3i(i), static_cast<int>(v3f(i)));
}
}