From fa080de7afc95aa1c19a6e6fc0e0708ced2eadc4 Mon Sep 17 00:00:00 2001 From: Joseph Hunkeler Date: Wed, 8 Jul 2015 20:46:52 -0400 Subject: Initial commit --- sys/imfort/impl1s.x | 42 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 sys/imfort/impl1s.x (limited to 'sys/imfort/impl1s.x') diff --git a/sys/imfort/impl1s.x b/sys/imfort/impl1s.x new file mode 100644 index 00000000..9faa62d4 --- /dev/null +++ b/sys/imfort/impl1s.x @@ -0,0 +1,42 @@ +# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc. + +include +include "imfort.h" + +# IMPL1S -- Put a line to a 1 dimensional image of type short. +# No automatic datatype conversion is performed. It is illegal to reference +# out of bounds. + +procedure impl1s (im, buf, ier) + +pointer im # image descriptor +short buf[ARB] # user data buffer +int ier + +long offset +int nchars, npix +int imwpix() + +begin + # Verify the image is of type short. + if (IM_PIXTYPE(im) != TY_SHORT) { + ier = IE_NOTSHORT + call im_seterrim (ier, im) + return + } + + npix = IM_LEN(im,1) + nchars = npix * SZ_SHORT + + # Compute offset into pixel file. + offset = IM_PIXOFF(im) + + # Write one line of data. + if (nchars != imwpix (im, buf, nchars, offset, 0)) { + ier = IE_WRPIX + call im_seterrim (ier, im) + return + } + + ier = OK +end -- cgit