bug: fix constant prediction early stopping rollback (#214)

rpreen · web-flow · commit edcfd58cc5b3 · 2025-09-11T16:19:45.000+01:00
* fix constant prediction early stopping rollback

* update CHANGELOG
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Changelog
 
+Changes:
+*   Fix constant prediction early stopping rollback ([#214](https://github.com/xcsf-dev/xcsf/pull/214))
+
 ## Version 1.4.8 (Aug 26, 2025)
 
 Changes:
diff --git a/xcsf/pred_constant.c b/xcsf/pred_constant.c
@@ -46,9 +46,7 @@ void
 pred_constant_copy(const struct XCSF *xcsf, struct Cl *dest,
                    const struct Cl *src)
 {
-    (void) xcsf;
-    (void) dest;
-    (void) src;
+    memcpy(dest->prediction, src->prediction, sizeof(double) * xcsf->y_dim);
 }
 
 /**

Original file line number	Diff line number	Diff line change
`@@ -46,9 +46,7 @@ void`
`46`	`46`	`pred_constant_copy(const struct XCSF xcsf, struct Cl dest,`
`47`	`47`	`const struct Cl *src)`
`48`	`48`	`{`
`49`		`- (void) xcsf;`
`50`		`- (void) dest;`
`51`		`- (void) src;`
	`49`	`+ memcpy(dest->prediction, src->prediction, sizeof(double) * xcsf->y_dim);`
`52`	`50`	`}`
`53`	`51`
`54`	`52`	`/**`