diff options
Diffstat (limited to 'gcc/testsuite/gfortran.dg/read_float_1.f90')
| -rw-r--r-- | gcc/testsuite/gfortran.dg/read_float_1.f90 | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/read_float_1.f90 b/gcc/testsuite/gfortran.dg/read_float_1.f90 new file mode 100644 index 00000000000..e38036f8b92 --- /dev/null +++ b/gcc/testsuite/gfortran.dg/read_float_1.f90 @@ -0,0 +1,12 @@ +! { dg-do run } +! PR18218 +! The IO library has an algorithm that involved repeated multiplication by 10, +! resulting in introducing large cumulative floating point errors. +program foo + character*20 s + real*8 d + s = "-.18774312893273 " + read(unit=s, fmt='(g20.14)') d + if (d + 0.18774312893273d0 .gt. 1d-13) call abort +end program + |