------- Comment #2 from howarth at nitro dot med dot uc dot edu 2009-08-06
01:28 -------
Interestingly...
gfortran -O2 -fgraphite-identity -floop-interchange air.f90 -o air
compiles the air benchmark without errors but the resulting code produces...
AIRFLOW IN A BOX
Version 2.0
(c) Hanley Innovations 1995
1.00000000000000002E-002 0.29999999999999999 10.000000000000000
0.10000000000000001 0
272.76999999999998 272.76999999999998 272.76999999999998
272.76999999999998 0.0000000000000000
11 12
X-DATA
1 0.0000000000000000 0.10000000000000001 4
2 5.00000000000000028E-002 0.22000000000000000 4
3 0.10000000000000001 0.29999999999999999 4
4 0.20000000000000001 0.40000000000000002 4
5 0.29999999999999999 0.50000000000000000 4
6 0.40000000000000002 0.59999999999999998 4
7 0.50000000000000000 0.69999999999999996 4
8 0.59999999999999998 0.80000000000000004 4
9 0.69999999999999996 0.90000000000000002 4
10 0.80000000000000004 0.96999999999999997 4
11 0.90000000000000002 1.0000000000000000 4
Y-DATA
0.0000000000000000 0.10000000000000001 4
4.00000000000000008E-002 0.14999999999999999 4
8.00000000000000017E-002 0.20000000000000001 4
0.14999999999999999 0.29999999999999999 4
0.20000000000000001 0.40000000000000002 4
0.29999999999999999 0.50000000000000000 4
0.40000000000000002 0.59999999999999998 4
0.50000000000000000 0.69999999999999996 4
0.59999999999999998 0.80000000000000004 4
0.69999999999999996 0.89000000000000001 4
0.80000000000000004 0.94999999999999996 4
0.94999999999999996 1.0000000000000000 4
ITERATION# TIME FINAL MASS RESIDUAL
14 100.000043187820 0.01000000 NaN
deltat, final t, iterations
100.00000000000000 100.00004318782042 14
14 NaN
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40980
