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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 12:15:05 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 12:15:05 +0000
commit46651ce6fe013220ed397add242004d764fc0153 (patch)
tree6e5299f990f88e60174a1d3ae6e48eedd2688b2b /src/backend/optimizer/geqo/geqo_copy.c
parentInitial commit. (diff)
downloadpostgresql-14-upstream.tar.xz
postgresql-14-upstream.zip
Adding upstream version 14.5.upstream/14.5upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/backend/optimizer/geqo/geqo_copy.c')
-rw-r--r--src/backend/optimizer/geqo/geqo_copy.c54
1 files changed, 54 insertions, 0 deletions
diff --git a/src/backend/optimizer/geqo/geqo_copy.c b/src/backend/optimizer/geqo/geqo_copy.c
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+++ b/src/backend/optimizer/geqo/geqo_copy.c
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+/*------------------------------------------------------------------------
+ *
+ * geqo_copy.c
+ *
+ * Portions Copyright (c) 1996-2021, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * src/backend/optimizer/geqo/geqo_copy.c
+ *
+ *-------------------------------------------------------------------------
+ */
+
+/* contributed by:
+ =*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=
+ * Martin Utesch * Institute of Automatic Control *
+ = = University of Mining and Technology =
+ * utesch@aut.tu-freiberg.de * Freiberg, Germany *
+ =*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=
+ */
+
+/* this is adopted from D. Whitley's Genitor algorithm */
+
+/*************************************************************/
+/* */
+/* Copyright (c) 1990 */
+/* Darrell L. Whitley */
+/* Computer Science Department */
+/* Colorado State University */
+/* */
+/* Permission is hereby granted to copy all or any part of */
+/* this program for free distribution. The author's name */
+/* and this copyright notice must be included in any copy. */
+/* */
+/*************************************************************/
+
+#include "postgres.h"
+#include "optimizer/geqo_copy.h"
+
+/* geqo_copy
+ *
+ * copies one gene to another
+ *
+ */
+void
+geqo_copy(PlannerInfo *root, Chromosome *chromo1, Chromosome *chromo2,
+ int string_length)
+{
+ int i;
+
+ for (i = 0; i < string_length; i++)
+ chromo1->string[i] = chromo2->string[i];
+
+ chromo1->worth = chromo2->worth;
+}