/* MX LIBRARY FUNCTION:  mxip_image_s_const_add_f2
 *
 * PURPOSE:  Add a constant to pixel data of a mxip_image_s structure.
 *
 * AUTHOR:  K. J. Mighell (mighell@noao.edu)
 *
 * LANGUAGE:  ANSI C
 *
 * DOCUMENTATION:  http://www.noao.edu/staff/mighell/mx
 *
 * DATE:  20000313
 *
 * MOD:  3
 * 
 * Copyleft (L) 2000 Kenneth John Mighell
 */

#include "mx.h"

int mxip_image_s_const_add_f2( 
  struct mxip_image_s *image,
  double addend
) {

  char mxfunc[] = "mxip_image_s_const_add_f2";
  int status;

  int j0;

  status = 0;

  if ( mxip_image_s_ok_f1 (image) ) {
    status = 1;
    goto error;
  }

  for (j0 = 0; j0 < (image->npxi); ++j0) {
    image->vectord[j0] = (image->vectord[j0]) + addend;
  }

ok:
  status = 0;
  goto bye;

error:
  mxp_errmsg_append_f3 (mxfunc, status, "");
  goto bye;

bye:
  return (status);

}
/* end-of-file */