! { 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