[phobos] [D-Programming-Language/phobos] 2b4fc3: documentation update and @safe pure etc unittests

[GitHub via phobos]

  Branch: refs/heads/master
  Home:   https://github.com/D-Programming-Language/phobos
  Commit: 2b4fc3402e05adfc406c7dd4c78e8d2915b222ac
      https://github.com/D-Programming-Language/phobos/commit/2b4fc3402e05adfc406c7dd4c78e8d2915b222ac
  Author: Robert burner Schadek <rburners at gmail.com>
  Date:   2015-01-25 (Sun, 25 Jan 2015)

  Changed paths:
    M std/math.d

  Log Message:
  -----------
  documentation update and @safe pure etc unittests

some more


  Commit: cb9969f3f320c62128df9740b2913e879763d943
      https://github.com/D-Programming-Language/phobos/commit/cb9969f3f320c62128df9740b2913e879763d943
  Author: Andrei Alexandrescu <andrei at erdani.com>
  Date:   2015-01-26 (Mon, 26 Jan 2015)

  Changed paths:
    M std/math.d

  Log Message:
  -----------
  Merge pull request #2892 from burner/math_documentation_update

std.math documentation update and @safe pure etc. unittests


Compare: https://github.com/D-Programming-Language/phobos/compare/60cc9686daed...cb9969f3f320