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multiply, besteht MatrixTests

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Max-R 2025-11-22 15:17:12 +01:00
parent 4e2ee7078a
commit b187a13b17
1 changed files with 22 additions and 4 deletions
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26
matrix.c
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@ -162,9 +162,27 @@ Matrix add(const Matrix matrix1, const Matrix matrix2) {
Matrix errorMatrix = {0, 0, NULL}; Matrix errorMatrix = {0, 0, NULL};
return errorMatrix; return errorMatrix;
} }
return result; return result;
} }
Matrix multiply(const Matrix matrix1, const Matrix matrix2) { return matrix1; } Matrix multiply(const Matrix matrix1, const Matrix matrix2) {
//Spalten1 müssen gleich zeilen2 sein! dann multiplizieren
if (matrix1.cols == matrix2.rows){
Matrix multMatrix = createMatrix(matrix1.rows,matrix2.cols);
for (int r=0; r< matrix1.rows; r++){
for (int c=0; c< matrix2.cols; c++){
MatrixType sum = 0.0;
for (int k=0; k< matrix1.cols; k++){
sum+= matrix1.buffer[r*matrix1.cols+k]*matrix2.buffer[k*matrix2.cols+c];
}
multMatrix.buffer[r*multMatrix.cols+c] = sum;
}
}
return multMatrix;
}
//sonst fehler
else{
Matrix errorMatrix = {0, 0, NULL};
return errorMatrix;
}
//return matrix1;
}