}
do_tiny_psnr(){
- psnr=$(tests/tiny_psnr "$1" "$2" $cmp_unit $cmp_shift 0)
+ psnr=$(tests/tiny_psnr "$1" "$2" $cmp_unit $cmp_shift 0) || return 1
val=$(expr "$psnr" : ".*$3: *\([0-9.]*\)")
size1=$(expr "$psnr" : '.*bytes: *\([0-9]*\)')
size2=$(expr "$psnr" : '.*bytes:[ 0-9]*/ *\([0-9]*\)')