File FIX_excess-x87-precision.patch of Package sfcgal

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File FIX_excess-x87-precision.patch of Package sfcgal (Revision bc3c4a41044277479485fcf4469e2111)

Currently displaying revision bc3c4a41044277479485fcf4469e2111 , Show latest

From: Jan Engelhardt <jengelh@inai.de>
Date: 2022-01-04 17:31:55.750698127 +0100
References: https://build.opensuse.org/package/view_file/openSUSE:Factory/icu/icu-avoid-x87-excess-precision.diff?expand=1

Force storing intermediate results to a 64-bit double and thus round
before attempting to make a comparison.
---
 test/unit/SFCGAL/algorithm/VolumeTest.cpp |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

Index: SFCGAL-v1.3.10/test/unit/SFCGAL/algorithm/VolumeTest.cpp
===================================================================
--- SFCGAL-v1.3.10.orig/test/unit/SFCGAL/algorithm/VolumeTest.cpp
+++ SFCGAL-v1.3.10/test/unit/SFCGAL/algorithm/VolumeTest.cpp
@@ -59,7 +59,9 @@ BOOST_AUTO_TEST_CASE( cubeWithHoleVolume
                 ((.2 .8 .2,.8 .8 .2,.8 .8 .8,.2 .8 .8,.2 .8 .2))))" );
     const Kernel::FT c( .6 );
     const Kernel::FT ref =  1 - c*c*c;
-    BOOST_CHECK_EQUAL( CGAL::to_double( algorithm::volume( s->as<Solid>(), algorithm::NoValidityCheck() ) ), CGAL::to_double( ref ) );
+    volatile double a = CGAL::to_double(algorithm::volume(s->as<Solid>(), algorithm::NoValidityCheck()));
+    volatile double b = CGAL::to_double(ref);
+    BOOST_CHECK_EQUAL(a, b);
 }
 
 BOOST_AUTO_TEST_CASE( invertedCubeVolume )

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File FIX_excess-x87-precision.patch of Package sfcgal (Revision bc3c4a41044277479485fcf4469e2111)

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