view examples/fortsub.f @ 17423:3856298f1ff8

eliminate unimplemented vax and cray floating point formats * mach-info.h * test/io.tst: Delete vaxd, vaxg, and cray from list of architectures in fopen test. # HG changeset patch # User John W. Eaton <jwe@octave.org> # Date 1379028062 14400 # Thu Sep 12 19:21:02 2013 -0400 # Node ID ea2763020ac1aa15ad0d43d787b61ff3b8469209 # Parent e89e86e1a5518c11058930fec5e907e60e31251b eliminate unimplemented vax and cray floating point formats * mach-info.h (oct_mach_info::float_format): Delete flt_fmt_vaxd, flt_fmt_vaxg, and flt_fmt_cray enum values. * ls-mat4.cc (float_format_to_mopt_digit, mopt_digit_to_float_format): Delete cases for vaxd, vaxg, and cray floating point formats. * lo-ieee.cc (octave_ieee_init): Likewise. * mach-info.cc (get_float_format, oct_mach_info::string_to_float_format, oct_mach_info::float_format_as_string): Likewise. * oct-stream.cc: Delete explicit template instantiation for do_write. (octave_stream::write, do_read): Delete checks for vaxd and vaxg floating point formats. * pr-output.cc (pr_any_float): Don't check for cray or unknonwn float formats. * data-conv.cc (VAX_D_double_to_IEEE_little_double, VAX_G_double_to_IEEE_little_double, Cray_to_IEEE_little_double, IEEE_big_float_to_IEEE_little_float, VAX_D_float_to_IEEE_little_float, VAX_G_float_to_IEEE_little_float, Cray_to_IEEE_little_float, IEEE_little_double_to_IEEE_big_double, VAX_D_double_to_IEEE_big_double, VAX_G_double_to_IEEE_big_double, Cray_to_IEEE_big_double, IEEE_little_float_to_IEEE_big_float, VAX_D_float_to_IEEE_big_float, VAX_G_float_to_IEEE_big_float, Cray_to_IEEE_big_float, IEEE_little_double_to_VAX_D_double, IEEE_big_double_to_VAX_D_double, VAX_G_double_to_VAX_D_double, Cray_to_VAX_D_double, IEEE_little_float_to_VAX_D_float, IEEE_big_float_to_VAX_D_float, VAX_G_float_to_VAX_D_float, Cray_to_VAX_D_float, IEEE_little_double_to_VAX_G_double, IEEE_big_double_to_VAX_G_double, VAX_D_double_to_VAX_G_double, Cray_to_VAX_G_double, IEEE_little_float_to_VAX_G_float, IEEE_big_float_to_VAX_G_float, VAX_D_float_to_VAX_G_float, Cray_to_VAX_G_float): Delete. (do_double_format_conversion): Eliminate unimplemented vaxd, vaxg, and cray conversions. * file-io.cc (Ffopen, Ffread): Fix doc strings.
author John W. Eaton <jwe@octave.org>
date Thu, 12 Sep 2013 19:21:02 -0400
parents 4295d634797d
children
line wrap: on
line source

      subroutine fortsub (n, a, s)
      implicit none
      character*(*) s
      real*8 a(*)
      integer*4 i, n, ioerr
      do i = 1, n
        if (a(i) .eq. 0d0) then
          call xstopx ('fortsub: divide by zero')
        else
          a(i) = 1d0 / a(i)
        endif
      enddo
      write (unit = s, fmt = '(a,i3,a,a)', iostat = ioerr)
     $       'There are ', n,
     $       ' values in the input vector', char(0)
      if (ioerr .ne. 0) then
        call xstopx ('fortsub: error writing string')
      endif
      return
      end