#! /bin/bash
# This script tests: ppmbrighten
# Also requires:

# Failure message
## Ppmbrighten is sensitive to subtle differences in floating point math.
## If this test fails, please run the program and visually examine
## the output.

ppmbrighten -v 100 testimg.ppm | cksum
ppmbrighten -v 100 -normalize testimg.ppm | cksum
ppmbrighten -s 100 -v -50 testimg.ppm | cksum