diff options
Diffstat (limited to 'gcc/testsuite/gfortran.fortran-torture/execute/power.f90')
| -rw-r--r-- | gcc/testsuite/gfortran.fortran-torture/execute/power.f90 | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.fortran-torture/execute/power.f90 b/gcc/testsuite/gfortran.fortran-torture/execute/power.f90 new file mode 100644 index 00000000000..91ddc73d3e4 --- /dev/null +++ b/gcc/testsuite/gfortran.fortran-torture/execute/power.f90 @@ -0,0 +1,43 @@ +! Program to test the power (**) operator +program testpow + implicit none + real(kind=4) r, s, two + real(kind=8) :: q + complex(kind=4) :: c + real, parameter :: del = 0.0001 + integer i + + two = 2.0 + + r = two ** 1 + if (abs (r - 2.0) .gt. del) call abort + r = two ** 2 + if (abs (r - 4.0) .gt. del) call abort + r = two ** 3 + if (abs (r - 8.0) .gt. del) call abort + r = two ** 4 + if (abs (r - 16.0) .gt. del) call abort + r = two ** 0 + if (abs (r - 1.0) .gt. del) call abort + r = two ** (-1) + if (abs (r - 0.5) .gt. del) call abort + r = two ** (-2) + if (abs (r - 0.25) .gt. del) call abort + r = two ** (-4) + if (abs (r - 0.0625) .gt. del) call abort + s = 3.0 + r = two ** s + if (abs (r - 8.0) .gt. del) call abort + s = -3.0 + r = two ** s + if (abs (r - 0.125) .gt. del) call abort + i = 3 + r = two ** i + if (abs (r - 8.0) .gt. del) call abort + i = -3 + r = two ** i + if (abs (r - 0.125) .gt. del) call abort + c = (2.0, 3.0) + c = c ** two + if (abs(c - (-5.0, 12.0)) .gt. del) call abort +end program |