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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 18:13:55 +0900 (2020-05-25)
parents 1830386684a0
children
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line source
! Test for the ISNAN intrinsic on constants
!
! { dg-do run }
! { dg-options "-fno-range-check" }
! { dg-add-options ieee }
!
  implicit none
  character(len=1) :: s
  write(s,'(L1)') isnan(0.)
  if (s /= 'F') STOP 1

  write(s,'(L1)') isnan(exp(huge(0.)))
  if (s /= 'F') STOP 2

  write(s,'(L1)') isnan(0./0.)
  if (s /= 'T') STOP 3
end