diff options
Diffstat (limited to 'gcc/testsuite/gfortran.dg/dec_exp_1.f90')
| -rw-r--r-- | gcc/testsuite/gfortran.dg/dec_exp_1.f90 | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/dec_exp_1.f90 b/gcc/testsuite/gfortran.dg/dec_exp_1.f90 new file mode 100644 index 00000000000..c8b395aa9ce --- /dev/null +++ b/gcc/testsuite/gfortran.dg/dec_exp_1.f90 @@ -0,0 +1,35 @@ +! { dg-do run } +! { dg-options "-fdec" } +! +! Test support for providing a default exponent of zero when unspecified in +! real constants with -fdec. +! + +subroutine asserteq (rexp, ract, msg) + real, intent(in) :: rexp, ract + character(*), intent(in) :: msg + if (rexp .ne. ract) then + write (*, '(A,F12.6,F12.6)') msg, rexp, ract + call abort() + endif +end subroutine + +implicit none + +real, parameter :: r1 = 8e0 +real, parameter :: r2 = 8e ! { equivalent to 8e0 } +real, volatile :: r3, r4 +character(2) :: s +r3 = 8e ! { equivalent to 8e0 } +s = '8e' + +read (s, *) r4 + +call asserteq (r1, r2, "[const]") +call asserteq (r1, r3, "[vol. ]") +call asserteq (r1, r4, "[read ]") + +r4 = 8e + 48e +call asserteq (56e, r4, "[sum ]") + +end |