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! { 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.)) call abort
if (ieee_selected_real_kind(0) /= kind(0.)) call abort
if (ieee_selected_real_kind(0,0) /= kind(0.)) call abort
if (ieee_selected_real_kind(0,0,2) /= kind(0.)) call abort
end if
if (ieee_support_datatype(0.d0)) then
if (ieee_selected_real_kind(precision(0.)+1) /= kind(0.d0)) call abort
if (ieee_selected_real_kind(precision(0.),range(0.)+1) /= kind(0.d0)) call abort
if (ieee_selected_real_kind(precision(0.)+1,range(0.)+1) /= kind(0.d0)) call abort
if (ieee_selected_real_kind(precision(0.)+1,range(0.)+1,2) /= kind(0.d0)) call abort
end if
if (ieee_selected_real_kind(0,0,3) /= -5) call abort
if (ieee_selected_real_kind(100*precision(0._maxreal)) /= -1) call abort
if (ieee_selected_real_kind(0,100*range(0._maxreal)) /= -2) call abort
if (ieee_selected_real_kind(100*precision(0._maxreal),100*range(0._maxreal)) /= -3) call abort
end
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