| ! Test for the ISNAN intrinsic | |
| ! | |
| ! { dg-do run } | |
| ! { dg-options "-pedantic-errors -mieee" { target alpha*-*-* sh*-*-* } } | |
| ! { dg-skip-if "NaN not supported" { spu-*-* } { "*" } { "" } } | |
| ! | |
| implicit none | |
| real :: x | |
| x = -1.0 | |
| x = sqrt(x) | |
| if (.not. isnan(x)) call abort | |
| x = 0.0 | |
| x = x / x | |
| if (.not. isnan(x)) call abort | |
| x = 5.0 | |
| if (isnan(x)) call abort | |
| x = huge(x) | |
| x = 2*x | |
| if (isnan(x)) call abort | |
| end |