| ! { dg-do run } |
| |
| use :: ieee_arithmetic |
| use :: iso_fortran_env, only : real_kinds |
| implicit none |
| |
| ! This should be |
| ! integer, parameter :: maxreal = maxval(real_kinds) |
| ! but it works because REAL_KINDS happen to be in increasing order |
| integer, parameter :: maxreal = real_kinds(size(real_kinds)) |
| |
| ! Test IEEE_SELECTED_REAL_KIND in specification expressions |
| |
| integer(kind=ieee_selected_real_kind()) :: i1 |
| integer(kind=ieee_selected_real_kind(10)) :: i2 |
| integer(kind=ieee_selected_real_kind(10,10)) :: i3 |
| integer(kind=ieee_selected_real_kind(10,10,2)) :: i4 |
| |
| ! Test IEEE_SELECTED_REAL_KIND |
| |
| if (ieee_support_datatype(0.)) then |
| if (ieee_selected_real_kind() /= kind(0.)) STOP 1 |
| if (ieee_selected_real_kind(0) /= kind(0.)) STOP 2 |
| if (ieee_selected_real_kind(0,0) /= kind(0.)) STOP 3 |
| if (ieee_selected_real_kind(0,0,2) /= kind(0.)) STOP 4 |
| end if |
| |
| if (ieee_support_datatype(0.d0)) then |
| if (ieee_selected_real_kind(precision(0.)+1) /= kind(0.d0)) STOP 5 |
| if (ieee_selected_real_kind(precision(0.),range(0.)+1) /= kind(0.d0)) STOP 6 |
| if (ieee_selected_real_kind(precision(0.)+1,range(0.)+1) /= kind(0.d0)) STOP 7 |
| if (ieee_selected_real_kind(precision(0.)+1,range(0.)+1,2) /= kind(0.d0)) STOP 8 |
| end if |
| |
| if (ieee_selected_real_kind(0,0,3) /= -5) STOP 9 |
| if (ieee_selected_real_kind(100*precision(0._maxreal)) /= -1) STOP 10 |
| if (ieee_selected_real_kind(0,100*range(0._maxreal)) /= -2) STOP 11 |
| if (ieee_selected_real_kind(100*precision(0._maxreal),100*range(0._maxreal)) /= -3) STOP 12 |
| |
| end |
