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bug fixes (data in buffer unbenannt)

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AD005\z0046beb 2025-11-12 11:36:28 +01:00
parent 5b32e1475c
commit b661866a16
2 changed files with 31 additions and 22 deletions
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51
matrix.c
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@ -10,7 +10,7 @@ Matrix createMatrix(unsigned int rows, unsigned int cols)
Matrix m; Matrix m;
m.rows = rows; m.rows = rows;
m.cols = cols; m.cols = cols;
m.data = NULL; m.buffer = NULL;
if(rows == 0 || cols == 0) if(rows == 0 || cols == 0)
{ {
@ -18,11 +18,14 @@ Matrix createMatrix(unsigned int rows, unsigned int cols)
exit(EXIT_FAILURE); exit(EXIT_FAILURE);
} }
m.data = calloc(rows * cols, sizeof(MatrixType)); m.buffer = calloc(rows * cols, sizeof(MatrixType));
if (m.data == NULL) if (m.buffer == NULL)
{ {
printf("Error");
exit(EXIT_FAILURE); m.rows = 0;
m.cols = 0;
m.buffer = NULL;
return m;
} }
return m; return m;
@ -30,22 +33,22 @@ Matrix createMatrix(unsigned int rows, unsigned int cols)
void clearMatrix(Matrix *matrix) void clearMatrix(Matrix *matrix)
{ {
free(matrix->data); free(matrix->buffer);
matrix->rows = 0; matrix->rows = 0;
matrix->cols = 0; matrix->cols = 0;
matrix->data = NULL; matrix->buffer = NULL;
} }
void setMatrixAt(MatrixType value, Matrix matrix, unsigned int rowIdx, unsigned int colIdx) void setMatrixAt(MatrixType value, Matrix matrix, unsigned int rowIdx, unsigned int colIdx)
{ {
matrix.data[(rowIdx * matrix.cols) + colIdx] = value; //wir setzen den data-Wert an der Stelle (rowIdx*Spalten + colIdx) auf den Wert von value matrix.buffer[(rowIdx * matrix.cols) + colIdx] = value; //wir setzen den data-Wert an der Stelle (rowIdx*Spalten + colIdx) auf den Wert von value
} }
MatrixType getMatrixAt(const Matrix matrix, unsigned int rowIdx, unsigned int colIdx) MatrixType getMatrixAt(const Matrix matrix, unsigned int rowIdx, unsigned int colIdx)
{ {
return matrix.data[(rowIdx * matrix.cols) + colIdx]; return matrix.buffer[(rowIdx * matrix.cols) + colIdx];
} }
static int can_add(Matrix matrix1, Matrix matrix2) { static int can_add(Matrix matrix1, Matrix matrix2) {
@ -101,7 +104,7 @@ Matrix add(const Matrix matrix1, const Matrix matrix2) //wir addieren nur wenn b
for(int i = 0; i < (matrix1.rows * matrix1.cols); i++) for(int i = 0; i < (matrix1.rows * matrix1.cols); i++)
matrix_erg.data[i] = matrix1.data[i] + matrix2.data[i]; matrix_erg.buffer[i] = matrix1.buffer[i] + matrix2.buffer[i];
break; break;
@ -110,7 +113,7 @@ Matrix add(const Matrix matrix1, const Matrix matrix2) //wir addieren nur wenn b
for(int i = 0; i < erg_rows; i++){ for(int i = 0; i < erg_rows; i++){
for(int j = 0; j < erg_cols; j++) for(int j = 0; j < erg_cols; j++)
matrix_erg.data[i * erg_cols + j] = matrix1.data[i * erg_cols + j] + matrix2.data[i]; matrix_erg.buffer[i * erg_cols + j] = matrix1.buffer[i * erg_cols + j] + matrix2.buffer[i];
} }
break; break;
@ -119,7 +122,7 @@ Matrix add(const Matrix matrix1, const Matrix matrix2) //wir addieren nur wenn b
for(int i = 0; i < erg_rows; i++){ for(int i = 0; i < erg_rows; i++){
for(int j = 0; j < erg_cols; j++) for(int j = 0; j < erg_cols; j++)
matrix_erg.data[i * erg_cols + j] = matrix1.data[i] + matrix2.data[i * erg_cols + j]; matrix_erg.buffer[i * erg_cols + j] = matrix1.buffer[i] + matrix2.buffer[i * erg_cols + j];
} }
break; break;
@ -128,7 +131,7 @@ Matrix add(const Matrix matrix1, const Matrix matrix2) //wir addieren nur wenn b
for(int i = 0; i < erg_rows; i++){ for(int i = 0; i < erg_rows; i++){
for(int j = 0; j < erg_cols; j++) for(int j = 0; j < erg_cols; j++)
matrix_erg.data[i * erg_cols + j] = matrix1.data[i * erg_cols + j] + matrix2.data[j]; matrix_erg.buffer[i * erg_cols + j] = matrix1.buffer[i * erg_cols + j] + matrix2.buffer[j];
} }
break; break;
@ -137,13 +140,16 @@ Matrix add(const Matrix matrix1, const Matrix matrix2) //wir addieren nur wenn b
for(int i = 0; i < erg_rows; i++){ for(int i = 0; i < erg_rows; i++){
for(int j = 0; j < erg_cols; j++) for(int j = 0; j < erg_cols; j++)
matrix_erg.data[i * erg_cols + j] = matrix1.data[j] + matrix2.data[i * erg_cols + j]; matrix_erg.buffer[i * erg_cols + j] = matrix1.buffer[j] + matrix2.buffer[i * erg_cols + j];
} }
break; break;
default: default:
printf("Matrix addition not possible\n");
exit(EXIT_FAILURE); matrix_erg.rows = 0;
matrix_erg.cols = 0;
matrix_erg.buffer = NULL;
return matrix_erg;
} }
@ -183,10 +189,10 @@ Matrix multiply(const Matrix matrix1, const Matrix matrix2)
for (int k = 0; k < matrix1.cols; k++) for (int k = 0; k < matrix1.cols; k++)
{ {
sum += matrix1.data[i * matrix1.cols + k] * matrix2.data[k * matrix2.cols + j]; sum += matrix1.buffer[i * matrix1.cols + k] * matrix2.buffer[k * matrix2.cols + j];
} }
matrix_erg.data [i * erg_cols + j] = sum; matrix_erg.buffer [i * erg_cols + j] = sum;
} }
} }
@ -195,7 +201,10 @@ Matrix multiply(const Matrix matrix1, const Matrix matrix2)
} }
else else
{ {
printf("Matrix multiplication not possible\n");
exit(EXIT_FAILURE); matrix_erg.rows = 0;
matrix_erg.cols = 0;
matrix_erg.buffer = NULL;
return matrix_erg;
} }
} }

2
matrix.h
View File

@ -11,7 +11,7 @@ typedef struct
{ {
unsigned int rows; unsigned int rows;
unsigned int cols; unsigned int cols;
MatrixType *data; MatrixType *buffer;
}Matrix; }Matrix;
Matrix createMatrix(unsigned int rows, unsigned int cols); Matrix createMatrix(unsigned int rows, unsigned int cols);