D-Programming-Language/dmd — pull request #1146 by jpf91 (2012-09-27 17:33:31+00:00)
Title: Use 15 digits for math test if real is double

* If real is just an alias for double (e.g. on ARM), the precision might be only 15 decimal digits.
* Also add tests for frexp: nan, -nan, -infinity, +ininity, -0, +0