! { 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))) STOP 1 if (nearest (x(2), dir(2)) /= nearest (a(2), dir(2))) STOP 2 if (nearest (x(3), dir(3)) /= nearest (a(3), dir(3))) STOP 3 if (nearest (x(4), dir(4)) /= nearest (a(4), dir(4))) STOP 4 if (nearest (x(5), dir(5)) /= nearest (a(5), dir(5))) STOP 5 if (nearest (x(6), dir(6)) /= nearest (a(6), dir(6))) STOP 6 if (nearest (x(7), dir(7)) /= nearest (a(7), dir(7))) STOP 7 if (nearest (x(8), dir(8)) /= nearest (a(8), dir(8))) STOP 8 ! 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))) STOP 9 !if (nearest (x(10), dir(10)) /= nearest (a(10), dir(10))) STOP 10 end