Minors bug fixes

diff --git a/matrix.c b/matrix.c
index 1f03129f368512b00f6656bf2ee2050f463b203a..1d4fd75fd38eff8d971dd6e3398fe0eb7cd004ab 100644 (file)
--- a/matrix.c
+++ b/matrix.c
@@ -33,7 +33,7 @@ static inline bool isSquare(matrix *m){
 
 void copyMatrix(matrix *dest, matrix *src){
        if(!sameDimensions(dest, src)){
-               fprintf(stderr, "Wrong dimensions (%dx%d != %dx%d)\n", a->rows, a->cols, b->rows, b->cols);
+               fprintf(stderr, "Wrong dimensions (%dx%d != %dx%d)\n", dest->rows, dest->cols, src->rows, src->cols);
                return;
        }
        for(int i = 0; i < src->rows; ++i){
@@ -179,7 +179,7 @@ long double determinant(matrix *m){
 void cofactor(matrix *m){
        if(!isSquare(m)){
                fprintf(stderr, "Matrix is not square (%dx%d)\n", m->rows, m->cols);
-               return NULL;
+               return;
        }
        matrix *r = newMatrix(m->rows, m->cols);
        for(int i = 0; i < r->rows; ++i){
@@ -213,7 +213,7 @@ matrix *dotProduct(matrix *a, matrix *b){
 
 void adjugate(matrix *m){
        cofactor(m);
-       matrix *t = transpose(cm);
+       matrix *t = transpose(m);
        copyMatrix(m, t);
        freeMatrix(&t);
 }