src/usr.bin/bc, branch releng/9.1

MFC r233121:

2012-04-01T15:05:15Z

Repair function when used with large scales Submitted by: AIDA Shinra

MFC r232994:

2012-03-18T14:49:36Z

- Fix an erroneous invocation of the editline. - Fix wrong scaling in the bc.library. - Let length(0.000) conform to what gnu bc does. PR: bin/159227 Submitted by: AIDA Shinra

Move most of the remaining USD/PSD/SMM papers into share/doc

2010-12-04T10:11:20Z

Fix some more warnings found by clang.

2010-11-22T20:10:48Z

- Fix signal handling in bc/dc. Now Ctrl-C terminates the execution.

2010-06-06T11:36:08Z

Requested by: gk (via private mail) Approved by: delphij (mentor)

Fix a bug in previous revision.

2010-02-05T18:17:17Z

The bc(1) program may need to deal with files when it's being run in interactive mode, so we can not blindly use interactive mode (in turn use libedit) but need to check if the input source is really the standard input. This commit should fix a regression where 'bc -l' would not parse the mathlib. Reported by: trasz

Use libedit when interacting with tty, which provided history

2010-02-04T18:43:05Z

functionality, etc. as did by GNU bc. This also fixes an issue where BSDL bc can not handle very long line. Reported by: imp Reviewed by: imp

- style(9)

2010-02-03T21:06:13Z

Approved by: delphij (mentor)

- style.Makefile(5)

2010-02-03T19:12:27Z

Submitted by: uqs Approved by: delphij (mentor)

- Remove --debug option and intentionally undocument -d, which is only

2010-01-22T23:35:06Z

kept for compatibility with 4.4BSD behavior. - Sync SYNOPSIS with usage(). - Use an alternative way to represent short and long options which have same semantics. Reviewed by: gabor