info2Praktikum-NeuronalesNetz/matrix.c

#include <stdlib.h>
#include <string.h>
#include "matrix.h"

// TODO Matrix-Funktionen implementieren

Matrix createMatrix(unsigned int rows, unsigned int cols)
{   
    Matrix matrix;
    matrix.rows = rows;
    matrix.cols = cols;

    matrix.data = (MatrixType *)malloc(rows* cols* sizeof(MatrixType));

    if(matrix.data == NULL){

        matrix.rows = 0;
        matrix.cols = 0;
        
        return matrix;
    }

    for (int i = 0; i < rows; i++)
    {
        for (int j = 0; j < cols; j++)
        {
            matrix.data[i * matrix.cols + j] = UNDEFINED_MATRIX_VALUE;
        }
    }
}

void clearMatrix(Matrix *matrix)
{
    if(matrix->data != NULL)
    {
        free(matrix->data);
        matrix->data = NULL;
    }

    matrix->rows = 0;
    matrix->cols =0;
    
}

void setMatrixAt(MatrixType value, Matrix matrix, unsigned int rowIdx, unsigned int colIdx)
{
    if(rowIdx >= matrix.rows || colIdx >= matrix.cols)
    {
        fprintf(stderr, "Fehler: Ungültiger Index (%u, %u) bei Matrixgröße %u x %u\n", rowIdx, colIdx, matrix.rows, matrix.cols);
    }

    matrix.data[rowIdx * matrix.cols +colIdx] = value;
}

MatrixType getMatrixAt(const Matrix matrix, unsigned int rowIdx, unsigned int colIdx)
{
}

Matrix add(const Matrix matrix1, const Matrix matrix2)
{
}

Matrix multiply(const Matrix matrix1, const Matrix matrix2)
{
}