diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gfortran.fortran-torture/execute/random_2.f90')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gfortran.fortran-torture/execute/random_2.f90 | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gfortran.fortran-torture/execute/random_2.f90 b/gcc-4.9/gcc/testsuite/gfortran.fortran-torture/execute/random_2.f90 new file mode 100644 index 000000000..166683305 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gfortran.fortran-torture/execute/random_2.f90 @@ -0,0 +1,24 @@ +! Check that the real(4) and real(8) random number generators return the same +! sequence of values. +program random_4 + integer, dimension(:), allocatable :: seed + real(kind=4), dimension(10) :: r4 + real(kind=8), dimension(10) :: r8 + real, parameter :: delta = 0.0001 + integer n + + call random_seed (size=n) + allocate (seed(n)) + call random_seed (get=seed) + ! Test both array valued and scalar routines. + call random_number(r4) + call random_number (r4(10)) + + ! Reset the seed and get the real(8) values. + call random_seed (put=seed) + call random_number(r8) + call random_number (r8(10)) + + if (any ((r4 - r8) .gt. delta)) call abort +end program + |