New port, math/amath: simple command line calculator

[jrm]

Summary

New port, math/amath: simple command line calculator

Features a case sensitive command line interface, internal IEEE 754
calculations with 15 significant digits, calculations with real and
complex numbers, variables and user defined functions, logarithmic
and exponential functions, trigonometric and hyperbolic function
and selected mathematical constants and rounding functions.

Test Plan

portlint -AC: OK
testport: OK (poudriere: 9.3-RELEASE-p48, i386)
testport: OK (poudriere: 9.3-RELEASE-p48, amd64)
testport: OK (poudriere: 10.3-RELEASE-p10, i386)
testport: OK (poudriere: 10.3-RELEASE-p10, amd64)
testport: OK (poudriere: 11.0-RELEASE-p1, i386)
testport: OK (poudriere: 11.0-RELEASE-p1, amd64)

[mat]

math/amath/Makefile

18 ↗

(On Diff #21811)

I don't think anything warrants creating a variable for only one use :-)

20–22 ↗

(On Diff #21811)

This can be replaced by:

MAKE_ARGS=CC=${CC}

27 ↗

(On Diff #21811)

do-test:

[jrm]

Update with suggestions from mat:

• Don't create extra variable, but reuse ${PORTNAME}.
• Don't patch Makefile to work around hardcoded CC=gcc, but set MAKE_ARGS.
• Use do-test target instead of regression-test.

[swills]

Approved