http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53319
Bug #: 53319
Summary: exact subtract of two decimal floating-point values
raises FE_INEXACT
Classification: Unclassified
Product: gcc
Version: 4.7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
AssignedTo: [email protected]
ReportedBy: [email protected]
Code similar to
_Decimal64 res1, val = 0.9999999999999999DD /* 16 9s */
res1 = val;
res1 = res1 - val; /* exactly zero */
raises FE_INEXACT when in fact the result is an exact zero.
