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Diffstat (limited to 'gcc/testsuite/gfortran.dg/nan_5.f90')
| -rw-r--r-- | gcc/testsuite/gfortran.dg/nan_5.f90 | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/nan_5.f90 b/gcc/testsuite/gfortran.dg/nan_5.f90 new file mode 100644 index 000000000..be1169d93 --- /dev/null +++ b/gcc/testsuite/gfortran.dg/nan_5.f90 @@ -0,0 +1,28 @@ +! Check that we correctly simplify ISNAN +! +! { dg-do compile } +! +! { dg-options "-fno-range-check" } +! { dg-add-options ieee } +! { dg-skip-if "NaN not supported" { spu-*-* } { "*" } { "" } } + + implicit none + real, parameter :: inf = 2 * huge(inf) + real, parameter :: nan1 = 0. / 0. + real, parameter :: nan2 = 1.5 * nan1 + real, parameter :: nan3 = inf / inf + real, parameter :: nan4 = inf - inf + real, parameter :: nan5 = 0. * inf + real, parameter :: normal = 42. + + integer(kind=merge(4, 0, isnan(nan1))) :: a + integer(kind=merge(4, 0, isnan(nan2))) :: b + integer(kind=merge(4, 0, isnan(nan3))) :: c + integer(kind=merge(4, 0, isnan(nan4))) :: d + integer(kind=merge(4, 0, isnan(nan5))) :: e + + integer(kind=merge(0, 4, isnan(inf))) :: f + integer(kind=merge(0, 4, isnan(-inf))) :: g + integer(kind=merge(0, 4, isnan(normal))) :: h + + end |