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[Bug fortran/31202] New: wrong code generated with gfortran
- From: "jv244 at cam dot ac dot uk" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 16 Mar 2007 11:27:19 -0000
- Subject: [Bug fortran/31202] New: wrong code generated with gfortran
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
With a recent gfortran, the following compiles, but generates the wrong
results:
! http://gcc.gnu.org/ml/fortran/2005-04/msg00139.html
real*8 :: a
integer*8 :: i1,i2
a=.4999999999999999444888487687421729788184165954589843750_8
i2=NINT(.4999999999999999444888487687421729788184165954589843750_8)
i1=NINT(a)
! 0.499999999999999944488848768742 0 0
write(6,'(F40.30,2I2)') a,i1,i2
IF (i1.NE.i2) CALL ABORT()
a=4503599627370497.0_8
i1=NINT(a,KIND=8)
i2=NINT(4503599627370497.0_8,KIND=8)
! 4503599627370497 4503599627370497 4503599627370497
write(6,*) 4503599627370497_8,i1,i2
IF (i1.NE.i2) CALL ABORT()
END
--
Summary: wrong code generated with gfortran
Product: gcc
Version: 4.3.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: fortran
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: jv244 at cam dot ac dot uk
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31202