improve formatting of large values in pr-output functions * pr-output.cc (make_real_format): Initialize local variables. Switch to E format if available precision is exceeded. Set int format based on leading digits. (make_complex_matrix_format): Also allow switching to E format if printing in fixed_point_format. Set int format based on leading digits. (make_real_matrix_format, make_complex_format, make_complex_matrix_format, make_range_format): Initialize local variables.

gnulib = http://hg.octave.org/gnulib