Added expiremental operator*
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43
Matrix.cpp
43
Matrix.cpp
@ -1,7 +1,6 @@
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#include "Matrix.h"
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template <>
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void MatrixOf<float>::Transpose(MatrixOf<float>* r) {
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template <> void MatrixOf<float>::Transpose(MatrixOf<float> *r) {
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// Check dimensions first
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// We dont care about the rows and cols (we overwrite them)
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// but the data size should be equal to avoid problems
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@ -23,9 +22,8 @@ void MatrixOf<float>::Transpose(MatrixOf<float>* r) {
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}
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template <>
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void MatrixOf<float>::Multiply(MatrixOf<float>* m1,
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MatrixOf<float>* m2,
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MatrixOf<float>* r) {
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void MatrixOf<float>::Multiply(const MatrixOf<float> *m1, MatrixOf<float> *m2,
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MatrixOf<float> *r) {
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for (unsigned int rowIx1 = 0; rowIx1 < m1->rows; rowIx1++) {
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for (unsigned int colIx2 = 0; colIx2 < m2->cols; colIx2++) {
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unsigned int rDataIx = colIx2 * m2->cols + rowIx1;
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@ -40,15 +38,15 @@ void MatrixOf<float>::Multiply(MatrixOf<float>* m1,
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}
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template <>
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void MatrixOf<float>::Multiply(MatrixOf<float>* m2, MatrixOf<float>* r) {
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void MatrixOf<float>::Multiply(MatrixOf<float> *m2, MatrixOf<float> *r) {
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Multiply(this, m2, r);
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}
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template <>
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Vector3 MatrixOf<float>::Multiply(MatrixOf<float>* m, Vector3 v) {
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float* vData = new float[3]{v.x, v.y, v.z};
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Vector3 MatrixOf<float>::Multiply(const MatrixOf<float> *m, Vector3 v) {
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float *vData = new float[3]{v.x, v.y, v.z};
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MatrixOf<float> v_m = MatrixOf<float>(3, 1, vData);
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float* rData = new float[3]{};
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float *rData = new float[3]{};
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MatrixOf<float> r_m = MatrixOf<float>(3, 1, rData);
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Multiply(m, &v_m, &r_m);
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@ -59,18 +57,25 @@ Vector3 MatrixOf<float>::Multiply(MatrixOf<float>* m, Vector3 v) {
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return r;
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}
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template <>
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float MatrixOf<float>::Get(unsigned int rowIx, unsigned int colIx) {
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template <typename T> Vector3 MatrixOf<T>::operator*(const Vector3 v) const {
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float *vData = new float[3]{v.x, v.y, v.z};
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MatrixOf<float> v_m = MatrixOf<float>(3, 1, vData);
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float *rData = new float[3]{};
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MatrixOf<float> r_m = MatrixOf<float>(3, 1, rData);
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Multiply(this, &v_m, &r_m);
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Vector3 r = Vector3(r_m.data[0], r_m.data[1], r_m.data[2]);
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delete[] vData;
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delete[] rData;
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return r;
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}
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template <> float MatrixOf<float>::Get(unsigned int rowIx, unsigned int colIx) {
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unsigned int dataIx = rowIx * this->cols + colIx;
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return this->data[dataIx];
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}
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template <>
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unsigned int MatrixOf<float>::RowCount() {
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return rows;
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}
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template <> unsigned int MatrixOf<float>::RowCount() { return rows; }
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template <>
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unsigned int MatrixOf<float>::ColCount() {
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return cols;
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}
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template <> unsigned int MatrixOf<float>::ColCount() { return cols; }
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22
Matrix.h
22
Matrix.h
@ -4,30 +4,30 @@
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#include "Vector3.h"
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/// @brief Single precision float matrix
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template <typename T>
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class MatrixOf {
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public:
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MatrixOf(unsigned int rows, unsigned int cols, T* data)
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template <typename T> class MatrixOf {
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public:
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MatrixOf(unsigned int rows, unsigned int cols, T *data)
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: rows(rows), cols(cols), data(data) {}
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MatrixOf(Vector3 v); // creates a 3,1 matrix
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// MatrixOf(Vector3 v); // creates a 3,1 matrix
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/// @brief Transpose with result in matrix m
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/// @param r The matrix in which the transposed matrix is stored
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void Transpose(MatrixOf<T>* r);
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void Transpose(MatrixOf<T> *r);
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static void Multiply(MatrixOf<T>* m1, MatrixOf<T>* m2, MatrixOf<T>* r);
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void Multiply(MatrixOf<T>* m, MatrixOf<T>* r);
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static void Multiply(const MatrixOf<T> *m1, MatrixOf<T> *m2, MatrixOf<T> *r);
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void Multiply(MatrixOf<T> *m, MatrixOf<T> *r);
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static Vector3 Multiply(MatrixOf<T>* m, Vector3 v);
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static Vector3 Multiply(const MatrixOf<T> *m, Vector3 v);
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Vector3 operator*(const Vector3 v) const;
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T Get(unsigned int rowIx, unsigned int colIx);
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unsigned int RowCount();
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unsigned int ColCount();
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private:
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private:
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unsigned int rows;
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unsigned int cols;
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T* data;
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T *data;
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};
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#endif
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