Redo the merge of the experimental branch of the complex math functions.

In order to maintain the proper file history of the experimental branch
files, redo the merge of the complex math library from the experimental
branch and adjust Makefile.am accordingly.



git-svn-id: svn+ssh://svn.code.sf.net/p/mingw-w64/code/trunk@2706 4407c894-4637-0410-b4f5-ada5f102cad1
74 files changed