From: yu.dongliang <18588496441@163.com>
Date: Sun, 1 Sep 2024 19:42:57 +0000 (+0800)
Subject: tmp
X-Git-Url: http://baseworks.info/?a=commitdiff_plain;ds=sidebyside;p=mat.git

tmp
---

diff --git a/mat.c b/mat.c
index e825247..6646411 100644
--- a/mat.c
+++ b/mat.c
@@ -154,9 +154,10 @@ void mat_mul(mat_t* m, mat_t* m0, mat_t* m1)
 	mat_trans(t1, m1);
 
 	for (i = 0; i < n; i++) {
-		for (j = 0; j < n; j++) {
+		int* d0 = m0->b->data + (i + m0->i) * m0->b->n + m0->j;
+		int* d  = m ->b->data + (i + m->i)  * m->b->n  + m->j;
 
-			int* d0 = m0->b->data + (i + m0->i) * m0->b->n + m0->j;
+		for (j = 0; j < n; j++) {
 			int* d1 = t1->b->data + (j + t1->i) * t1->b->n + t1->j;
 
 			int sum = 0;
@@ -164,9 +165,7 @@ void mat_mul(mat_t* m, mat_t* m0, mat_t* m1)
 				sum += d0[k] * d1[k];
 			}
 
-			int ij  = (i + m->i) * m->b->n + (j + m->j);
-
-			m->b->data[ij] = sum;
+			d[j] = sum;
 		}
 	}