# HG changeset patch
# User Sebastien Jodogne <s.jodogne@gmail.com>
# Date 1520586419 -3600
# Node ID ab9c799f5de15dc447f18947aab4ab4f271c03d4
# Parent  15d92d93738b8582948eff92e374b41539549829
fix interpolation with negative coordinates

diff -r 15d92d93738b -r ab9c799f5de1 UnitTestsSources/UnitTestsMain.cpp
--- a/UnitTestsSources/UnitTestsMain.cpp	Fri Mar 09 10:06:40 2018 +0100
+++ b/UnitTestsSources/UnitTestsMain.cpp	Fri Mar 09 10:06:59 2018 +0100
@@ -140,10 +140,24 @@
   ASSERT_FLOAT_EQ(146.1f, OrthancStone::GeometryToolbox::ComputeBilinearInterpolation
                   (20.5f, 14.2f, 91, 210, 162, 95));
 
+  ASSERT_NEAR(146.1f, OrthancStone::GeometryToolbox::ComputeBilinearInterpolation
+              (-20.5f, 14.2f, 91, 210, 162, 95), 0.0001f);
+
+  ASSERT_NEAR(146.1f, OrthancStone::GeometryToolbox::ComputeBilinearInterpolation
+              (-20.5f, -8.8f, 91, 210, 162, 95), 0.0001f);
+
+  ASSERT_NEAR(146.1f, OrthancStone::GeometryToolbox::ComputeBilinearInterpolation
+              (20.5f, -8.8f, 91, 210, 162, 95), 0.0001f);
+
   ASSERT_FLOAT_EQ(123.35f, OrthancStone::GeometryToolbox::ComputeTrilinearInterpolation
                   (20.5f, 15.2f, 5.7f,
                    91, 210, 162, 95,
                    51, 190, 80, 92));
+
+  ASSERT_FLOAT_EQ(123.35f, OrthancStone::GeometryToolbox::ComputeTrilinearInterpolation
+                  (20.5f, 15.2f, -6.3f,
+                   91, 210, 162, 95,
+                   51, 190, 80, 92));
 }