| ! Test for the ISNAN intrinsic on constants | |
| ! | |
| ! { dg-do run } | |
| ! { dg-options "-fno-range-check" } | |
| ! { dg-add-options ieee } | |
| ! | |
| implicit none | |
| character(len=1) :: s | |
| write(s,'(L1)') isnan(0.) | |
| if (s /= 'F') STOP 1 | |
| write(s,'(L1)') isnan(exp(huge(0.))) | |
| if (s /= 'F') STOP 2 | |
| write(s,'(L1)') isnan(0./0.) | |
| if (s /= 'T') STOP 3 | |
| end |