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commit db6b6ed9955dce8a2bfafb2b8eb1b115063d9c5c
parent c38249593fa9ecfdd658270755bfbf91446c52a4
Author: klewer-martin <martin.cachari@gmail.com>
Date:   Wed, 31 Mar 2021 20:06:32 -0300

Update: ex45.c

Diffstat:
M
guia03/ex45.c
 | 
14
++++++--------

1 file changed, 6 insertions(+), 8 deletions(-)
diff --git a/guia03/ex45.c b/guia03/ex45.c
@@ -24,7 +24,7 @@ int main (void)
         /* Initialize the matrix with random numbers in range 0 - MATRIX_MAX */
         for(size_t j = 0; j < N; j++) {
             matrix[i][j] = ((double)rand()/(double)(RAND_MAX)) * 20;
-            printf("%5.1f ", matrix[i][j]);
+            printf("%10f ", matrix[i][j]);
         }
 
         /* This to make it fancy too*/    
@@ -38,7 +38,7 @@ int main (void)
 
     determinant = matrix_det(N, matrix);
 
-    printf("\nDeterminant = %2.1f.-\nTrace = %2.1f.-\n", determinant, trace);
+    printf("\nDeterminant = %10f.-\nTrace = %10f.-\n", determinant, trace);
 
     return 0;
 }
@@ -46,12 +46,10 @@ int main (void)
 double matrix_det(size_t n, double matrix[][n])
 {
     double det;
-    if(n == 2) {
-        det = ((matrix[0][0] * matrix[1][1]) - (matrix[0][1] * matrix[1][0]));
-    } else if (n == 3) {
-        det = (matrix[0][0] * (matrix[1][1] * matrix[2][2] - matrix[1][2] * matrix[2][1])) 
+    if(n == 2)
+        return ((matrix[0][0] * matrix[1][1]) - (matrix[0][1] * matrix[1][0]));
+    else if (n == 3)
+        return (matrix[0][0] * (matrix[1][1] * matrix[2][2] - matrix[1][2] * matrix[2][1])) 
             - (matrix[0][1] * (matrix[1][0] * matrix[2][2] - matrix[1][2] * matrix[2][0]))
             - (matrix[0][2] * (matrix[1][0] * matrix[2][1] - matrix[1][1] * matrix[2][0]));
-    }
-    return det;
 }