File: plf95demos.inc.in

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plplot 5.10.0%2Bdfsg-1
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      function myisnan(x)

      use plplot_flt
      implicit none
      logical :: myisnan
      real (kind=plflt) :: x

@HAVE_F95_ISNAN_FALSE@      myisnan = (x.ne.x)
@HAVE_F95_ISNAN_TRUE@      myisnan = isnan(x)

      return

      end function