add supports broadcasting
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38
matrix.c
38
matrix.c
@ -68,16 +68,44 @@ MatrixType getMatrixAt(const Matrix matrix, unsigned int rowIdx, unsigned int co
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}
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Matrix add(const Matrix matrix1, const Matrix matrix2)
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{
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Matrix add(const Matrix matrix1, const Matrix matrix2) {
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Matrix matrix;
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if(matrix1.cols != matrix2.cols || matrix1.rows != matrix2.rows)
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if(matrix1.rows != matrix2.rows )
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{
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matrix.buffer=NULL;
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matrix.cols = 0;
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matrix.rows = 0;
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return matrix;
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}
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if (matrix1.cols < matrix2.cols) {
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matrix.cols = matrix2.cols;
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matrix.rows = matrix2.rows;
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matrix.buffer = (MatrixType*)malloc(sizeof(MatrixType) * matrix.rows * matrix.cols);
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for (int i = 0; i < matrix.rows; i++) {
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for (int j = 0; j < matrix.cols; j++){
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matrix.buffer[i * matrix.cols + j] = matrix2.buffer[i * matrix.cols + j]+matrix1.buffer[i*matrix1.cols];
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}
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}
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return matrix;
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}
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if (matrix1.cols > matrix2.cols)
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{
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matrix.cols = matrix1.cols;
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matrix.rows = matrix1.rows;
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matrix.buffer = (MatrixType*)malloc(sizeof(MatrixType) * matrix.rows * matrix.cols);
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for (int i = 0; i < matrix.rows; i++) {
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for (int j = 0; j < matrix.cols; j++){
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matrix.buffer[i * matrix.cols + j] = matrix1.buffer[i * matrix.cols + j]+matrix2.buffer[i*matrix2.cols];
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}
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}
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return matrix;
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}
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else
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{
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@ -86,13 +114,14 @@ Matrix add(const Matrix matrix1, const Matrix matrix2)
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matrix.buffer= (MatrixType*) malloc(matrix.rows*matrix.cols * sizeof(MatrixType));
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for (int i = 0; i < matrix1.rows; i++) {
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for (int j = 0; j < matrix1.cols; j++) {
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(matrix.buffer[i*matrix.cols+j])= (matrix1.buffer[i*matrix.cols+j]) + (matrix2.buffer[i*matrix.cols+j]);
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(matrix.buffer[i*matrix.cols+j])= (matrix1.buffer[i*matrix.cols+j]) + (matrix2.buffer[i*matrix2.cols+j]);
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}
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}
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return matrix;
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}
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}
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Matrix multiply(const Matrix matrix1, const Matrix matrix2)
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{
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Matrix matrix;
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@ -122,4 +151,5 @@ Matrix multiply(const Matrix matrix1, const Matrix matrix2)
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return matrix;
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}
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//Siehe I1-Pr Aufgabe
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}
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