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commit 110b1ff2c8d19535cc1252539e8e0b7c98eb2a55
Author: Bas Couwenberg <sebas...@xs4all.nl>
Date: Fri Jan 15 13:55:40 2016 +0100
Add patch by Sandro Santilli to fix test failure on various architectures.
---
debian/changelog | 1 +
...-any-drift-of-cutter-point-on-lines-split.patch | 37 ++++++++++++++++++++++
debian/patches/series | 1 +
3 files changed, 39 insertions(+)
diff --git a/debian/changelog b/debian/changelog
index 741a7ca..1023181 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -3,6 +3,7 @@ postgis (2.2.1+dfsg-2) UNRELEASED; urgency=medium
[ Bas Couwenberg ]
* Add patch by Helge Deller to fix wkb_output test failure on hppa & mips.
(closes: #810859)
+ * Add patch by Sandro Santilli to fix test failure on various architectures.
[ Markus Wanner ]
* Add patch relax-test-timing-constraints.patch to increase chances of
diff --git
a/debian/patches/avoid-any-drift-of-cutter-point-on-lines-split.patch
b/debian/patches/avoid-any-drift-of-cutter-point-on-lines-split.patch
new file mode 100644
index 0000000..4eb230d
--- /dev/null
+++ b/debian/patches/avoid-any-drift-of-cutter-point-on-lines-split.patch
@@ -0,0 +1,37 @@
+Description: Avoid any drift of cutter point on lines split.
+ Should fix splitting operations on at least arm64, ppc64el and s390x.
+ See #3422 and #3401 (for 2.2 branch)
+Author: Sandro Santilli <s...@keybit.net>
+Bug: https://trac.osgeo.org/postgis/ticket/3422
+Origin: https://trac.osgeo.org/postgis/changeset/14595
+
+--- a/liblwgeom/lwgeom_geos_split.c
++++ b/liblwgeom/lwgeom_geos_split.c
+@@ -258,6 +258,7 @@ lwline_split_by_point_to(const LWLINE* l
+ {
+ mindist = dist;
+ seg=i;
++ if ( mindist == 0.0 ) break; /* can't be closer than ON
line */
+ }
+ p1 = p2;
+ }
+@@ -273,11 +274,18 @@ lwline_split_by_point_to(const LWLINE* l
+
+ /*
+ * We need to project the
+- * point on the closest segment.
++ * point on the closest segment,
++ * to interpolate Z and M if needed
+ */
+ getPoint4d_p(ipa, seg, &p1);
+ getPoint4d_p(ipa, seg+1, &p2);
+ closest_point_on_segment(&pt, &p1, &p2, &pt_projected);
++ /* But X and Y we want the ones of the input point,
++ * as on some architectures the interpolation math moves the
++ * coordinates (see #3422)
++ */
++ pt_projected.x = pt.x;
++ pt_projected.y = pt.y;
+
+ LWDEBUGF(3, "Projected point:(%g %g), seg:%d, p1:(%g %g), p2:(%g %g)",
pt_projected.x, pt_projected.y, seg, p1.x, p1.y, p2.x, p2.y);
+
diff --git a/debian/patches/series b/debian/patches/series
index 138cd0a..2ccdc94 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -1,3 +1,4 @@
link-liblwgeom
hppa.patch
relax-test-timing-constraints.patch
+avoid-any-drift-of-cutter-point-on-lines-split.patch
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