Files
2025-02-Numerical/hws/hw3/matutil.c
2025-10-13 16:46:01 +09:00

67 lines
1.4 KiB
C

#include "matutil.h"
void print_vector_float(int size, float *v) {
int i;
for (i = 0; i < size; i++) {
printf("%6.2f ", v[i]);
}
printf("\n");
}
void print_vector_int(int size, int *v) {
int i;
for (i = 0; i < size; i++) {
printf("%d ", v[i]);
}
printf("\n");
}
float **new_matrix(int m, int n) {
return matrix(1, m, 1, n);
}
void simple_free_matrix(int m, int n, float **mat) {
free_matrix(mat, 1, m, 1, n);
}
void print_matrix(int m, int n, float **mat) {
int i, j;
for (i = 1; i <= m; i++) {
for (j = 1; j <= n; j++) {
printf("%6.2f ", mat[i][j]);
}
printf("\n");
}
}
void copy_matrix(int m, int n, float **src, float **dst) {
int i, j;
for (i = 1; i <= m; i++) {
for (j = 1; j <= n; j++) {
dst[i][j] = src[i][j];
}
}
}
/* for JMatrixData */
void copy_jmatdata(JMatrixData *src, JMatrixData *dst) {
dst->m = src->m;
dst->n = src->n;
copy_matrix(src->m, src->n, src->a, dst->a);
copy_matrix(src->m, 1, src->b, dst->b);
}
void free_jmatdata(JMatrixData *data) {
simple_free_matrix(data->m, data->n, data->a);
simple_free_matrix(data->m, 1, data->b);
}
JMatrixData *new_jmatdata(int m, int n) {
JMatrixData *data = malloc(sizeof(JMatrixData));
data->m = m;
data->n = n;
data->a = new_matrix(data->m, data->n);
data->b = new_matrix(data->m, 1);
return data;
}