diff options
Diffstat (limited to 'gcc/testsuite/gfortran.dg/fold_nearest.f90')
| -rw-r--r-- | gcc/testsuite/gfortran.dg/fold_nearest.f90 | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/fold_nearest.f90 b/gcc/testsuite/gfortran.dg/fold_nearest.f90 new file mode 100644 index 000000000..743e2023a --- /dev/null +++ b/gcc/testsuite/gfortran.dg/fold_nearest.f90 @@ -0,0 +1,27 @@ +! { dg-do run } +! Tests for the constant folding of the NEAREST intrinsic +! We compare against the results of the runtime implementation, +! thereby making sure that they remain consistent +REAL, PARAMETER :: x(10) = (/ 1., 0.49999997, 0.5, 8388609.0, -1., & + -0.49999997, -0.5, -8388609.0, & + 0., 0. /), & + dir(10) = (/ -1., +1., -1., -1., +1., & + -1., +1., +1., & + +1.,-1./) +REAL :: a(10) + +a = x +if (nearest (x(1), dir(1)) /= nearest (a(1), dir(1))) call abort () +if (nearest (x(2), dir(2)) /= nearest (a(2), dir(2))) call abort () +if (nearest (x(3), dir(3)) /= nearest (a(3), dir(3))) call abort () +if (nearest (x(4), dir(4)) /= nearest (a(4), dir(4))) call abort () +if (nearest (x(5), dir(5)) /= nearest (a(5), dir(5))) call abort () +if (nearest (x(6), dir(6)) /= nearest (a(6), dir(6))) call abort () +if (nearest (x(7), dir(7)) /= nearest (a(7), dir(7))) call abort () +if (nearest (x(8), dir(8)) /= nearest (a(8), dir(8))) call abort () +! These last two tests are commented out because mpfr provides no support +! for denormals, and therefore we get TINY instead of the correct result. +!if (nearest (x(9), dir(9)) /= nearest (a(9), dir(9))) call abort () +!if (nearest (x(10), dir(10)) /= nearest (a(10), dir(10))) call abort () + +end |