Compare commits
3 Commits
6594829227
...
78579ded18
| Author | SHA1 | Date | |
|---|---|---|---|
|
|
78579ded18 | ||
|
|
5f52f6eef2 | ||
| f2b748a9c5 |
36
matrix.c
36
matrix.c
@ -1,5 +1,6 @@
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <stdio.h>
|
||||
#include "matrix.h"
|
||||
|
||||
// TODO Matrix-Funktionen implementieren
|
||||
@ -7,6 +8,13 @@
|
||||
Matrix createMatrix(unsigned int rows, unsigned int cols)
|
||||
{
|
||||
Matrix matrix;
|
||||
Matrix empty = {0, 0, NULL};
|
||||
|
||||
if(rows == 0 || cols == 0)
|
||||
{
|
||||
//print("Fehler: Dimensionen muessen >= 1 sein!");
|
||||
return empty;
|
||||
}
|
||||
|
||||
matrix.rows = rows;
|
||||
matrix.cols = cols;
|
||||
@ -14,7 +22,7 @@ Matrix createMatrix(unsigned int rows, unsigned int cols)
|
||||
|
||||
if(matrix.buffer == NULL)
|
||||
{
|
||||
printf("Fehler bei der Speicherreservierung! Keine Matrix erstellt!");
|
||||
//printf("Fehler bei der Speicherreservierung! Keine Matrix erstellt!");
|
||||
matrix.rows = 0;
|
||||
matrix.cols = 0;
|
||||
}
|
||||
@ -24,41 +32,41 @@ Matrix createMatrix(unsigned int rows, unsigned int cols)
|
||||
|
||||
void clearMatrix(Matrix *matrix)
|
||||
{
|
||||
free(matrix.buffer);
|
||||
free(matrix->buffer);
|
||||
|
||||
matrix->buffer = NULL;
|
||||
matrix->rows = 0;
|
||||
matrix->cols = 0;
|
||||
}
|
||||
|
||||
void setMatrixAt(MatrixType value, Matrix *matrix, unsigned int rowIdx, unsigned int colIdx)
|
||||
void setMatrixAt(MatrixType value, Matrix matrix, unsigned int rowIdx, unsigned int colIdx)
|
||||
{
|
||||
if(matrix->buffer == NULL)
|
||||
if(matrix.buffer == NULL)
|
||||
{
|
||||
printf("Fehler beim Setzen! Matrix nicht initialisiert");
|
||||
//printf("Fehler beim Setzen! Matrix nicht initialisiert");
|
||||
return;
|
||||
}
|
||||
|
||||
if(rowIdx >= matrix->rows || colIdx >= matrix->cols)
|
||||
if(rowIdx >= matrix.rows || colIdx >= matrix.cols)
|
||||
{
|
||||
printf("Ungueltige Indizes beim Setzen!\n");
|
||||
//printf("Ungueltige Indizes beim Setzen!\n");
|
||||
return;
|
||||
}
|
||||
|
||||
matrix->buffer[rowIdx * matrix->cols + colIdx] = value;
|
||||
matrix.buffer[rowIdx * matrix.cols + colIdx] = value;
|
||||
}
|
||||
|
||||
MatrixType getMatrixAt(const Matrix matrix, unsigned int rowIdx, unsigned int colIdx)
|
||||
{
|
||||
if(matrix.buffer == NULL)
|
||||
{
|
||||
printf("Fehler beim Lesen! Matrix nicht initialisiert");
|
||||
//printf("Fehler beim Lesen! Matrix nicht initialisiert");
|
||||
return 0;
|
||||
}
|
||||
|
||||
if(rowIdx >= matrix.rows || colIdx >= matrix.cols)
|
||||
{
|
||||
printf("Ungueltige Indizes beim Lesen!\n");
|
||||
//printf("Ungueltige Indizes beim Lesen!\n");
|
||||
return 0;
|
||||
}
|
||||
|
||||
@ -69,7 +77,7 @@ Matrix add(const Matrix matrix1, const Matrix matrix2)
|
||||
{
|
||||
if((matrix1.rows != matrix2.rows) || (matrix1.cols != matrix2.cols))
|
||||
{
|
||||
printf("Fehler bei Addition: Matrix Dimensionen passen nicht ueberein!\n");
|
||||
//printf("Fehler bei Addition: Matrix Dimensionen passen nicht ueberein!\n");
|
||||
Matrix empty = {0, 0, NULL};
|
||||
return empty;
|
||||
}
|
||||
@ -88,7 +96,7 @@ Matrix add(const Matrix matrix1, const Matrix matrix2)
|
||||
matrix2Wert = getMatrixAt(matrix2, row, col);
|
||||
summe = matrix1Wert + matrix2Wert;
|
||||
|
||||
setMatrixAt(summe, &ergebnisMatrix, row, col);
|
||||
setMatrixAt(summe, ergebnisMatrix, row, col);
|
||||
}
|
||||
}
|
||||
|
||||
@ -99,7 +107,7 @@ Matrix multiply(const Matrix matrix1, const Matrix matrix2)
|
||||
{
|
||||
if(matrix1.cols != matrix2.rows)
|
||||
{
|
||||
printf("Fehler bei Multiplikation: Matrix Dimensionen passen nicht ueberein!\n");
|
||||
//printf("Fehler bei Multiplikation: Matrix Dimensionen passen nicht ueberein!\n");
|
||||
Matrix empty = {0, 0, NULL};
|
||||
return empty;
|
||||
}
|
||||
@ -119,7 +127,7 @@ Matrix multiply(const Matrix matrix1, const Matrix matrix2)
|
||||
erg += getMatrixAt(matrix1, row, k) * getMatrixAt(matrix2, k, col);
|
||||
}
|
||||
|
||||
setMatrixAt(erg, &ergebnisMatrix, row, col);
|
||||
setMatrixAt(erg, ergebnisMatrix, row, col);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
@ -164,7 +164,7 @@ void test_setMatrixAtFailsOnIndicesOutOfRange(void)
|
||||
Matrix matrixToTest = {.rows=2, .cols=3, .buffer=buffer};
|
||||
|
||||
setMatrixAt(-1, matrixToTest, 2, 3);
|
||||
TEST_ASSERT_EQUAL_FLOAT_ARRAY(expectedResults, matrixToTest.buffer, matrixToTest.cols * matrixToTest.rows);
|
||||
TEST_ASSERT_EQUAL_FLOAT_ARRAY(expectedResults, matrixToTest.buffer, sizeof(buffer)/sizeof(MatrixType));
|
||||
}
|
||||
|
||||
void setUp(void) {
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user