Control error checking with #define in C++ flaot conversion

Conflicts:

	cpp/include/float_utils.h
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About to switch to new annotation classes
Removing old annotations system
Work on migration to new annotation system
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About to work on finding appropriate upscaling factor
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'less_than' to 'lesser_than'
Fixed range issue with Division
Refactoring of Fixed-Integer C library
Work on getting the SafeInt32 class to be used by the generated code....
Abstracted out C compilation functions
Tidying up the code-generation, before launching blue-vec!
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