diff options
Diffstat (limited to 'gcc/testsuite/gfortran.dg/read_infnan_1.f90')
| -rw-r--r-- | gcc/testsuite/gfortran.dg/read_infnan_1.f90 | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/read_infnan_1.f90 b/gcc/testsuite/gfortran.dg/read_infnan_1.f90 new file mode 100644 index 000000000..c5023e8fe --- /dev/null +++ b/gcc/testsuite/gfortran.dg/read_infnan_1.f90 @@ -0,0 +1,31 @@ +! { dg-do run } +! { dg-add-options ieee } +! { dg-skip-if "NaN not supported" { spu-*-* } { "*" } { "" } } + +! PR43298 Fortran library does not read in NaN, NaN(), -Inf, or Inf + +! Formatted READ part of PR fortran/43298 + +! Test case prepared by Jerry DeLisle <jvdelisle@gcc.gnu.org> +program pr43298 + real(4) :: x4(7) + real(8) :: x8(7) + character(80) :: output + +open(10, status='scratch') +! 0123456789012345678901234567890123456789012345678901234567890123456789 +write(10,'(a)') "inf nan infinity NaN(dx) -INf NAN InFiNiTy" +rewind(10) +x4 = 0.0_4 +x8 = 0.0_8 +read(10,'(7f10.3)') x4 +rewind(10) +read(10,'(7f10.3)') x8 +write (output, '("x4 =",7G6.0)') x4 +if (output.ne."x4 = Inf NaN Inf NaN -Inf NaN Inf") call abort +write (output, '("x8 =",7G6.0)') x8 +if (output.ne."x8 = Inf NaN Inf NaN -Inf NaN Inf") call abort +!print '("x4 =",7G6.0)', x4 +!print '("x8 =",7G6.0)', x8 +end program pr43298 + |