introduce new enforce_precision facility which sets the x87 control word appropriately in the current scope in 32-bit mode
using constants in fast_rec test
Return of functor shows 'unspecified' in doc
Exclude M0(...) helper macros from generating doc
Merge pull request #552 from MetaScale/enforce_precision

introduce new enforce_precision facility
remove redundant typedefs and fix warnings
more warning fixes
remove unused typedef in storage_order test
fixing ellie scalar cover
fixing some ulps for failing unit tests
spurious cpp file in the middle of boolean
bad handling of invalids in some exponential files
oxygenating boost constants
polishing unit tests for constant/meta/
olishing unit tests for constant/simd
new pass on oxygenating constants

also suppressing maxinit (equiv to valmin)  and bitincrement (equiv to mindenormal)
spurious test in valmax
new pass of constants oxygenation
change similar code for allbits.