| ! { 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 |
