Seems some people don't use ppt to avoid confusion with parts per
trillion.

if we reference it by full name

The intermediate storage is never reused

First step of simplication

Fixes GitLab issue #179

Complains mostly about libisc, false positives.

Only warnings left in --enable-warnings, on my host, are Bison warnings.

73:20: E201 whitespace after '('
74:9: E128 continuation line under-indented for visual indent

Each function is only called once.  Move the functions closer to their callers.
Also, make indentation more consistent.

ntpd casts long<->double all the time, too many false positive.

Return of atof() tested for errno, but atof() never sets errno.

No idea if just a false positive.

many false positives, and it hates Unity.