songsenand
/
cgal
mirror of https://github.com/CGAL/cgal
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Interval arithmetics was broken even with gcc...

This commit is contained in:
Marc Glisse 2013-07-24 13:42:09 +02:00
parent 15d03643fc
commit edd2d1735e
1 changed files with 6 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
Number_types/include/CGAL/FPU.h
View File

@ -152,8 +152,13 @@ inline double IA_force_to_double(double x)
// In case one does not care about such "extreme" situations, one can
// set CGAL_IA_NO_X86_OVER_UNDER_FLOW_PROTECT.
// LLVM doesn't have -frounding-math so needs extra protection.
// GCC also migrates fesetround calls through FP instructions, so protect
// everyone (but Microsoft for now).
// TODO: reorganize the various protections, separating excess precision from
// abusive optimizations.
#if (defined CGAL_FPU_HAS_EXCESS_PRECISION && \
!defined CGAL_IA_NO_X86_OVER_UNDER_FLOW_PROTECT) || defined __llvm__
!defined CGAL_IA_NO_X86_OVER_UNDER_FLOW_PROTECT) || defined __llvm__ \
|| !defined _MSC_VER
# define CGAL_IA_FORCE_TO_DOUBLE(x) CGAL::IA_force_to_double(x)
#else
# define CGAL_IA_FORCE_TO_DOUBLE(x) (x)