Fix RealToFloat test (hopefully)
Tester to compare custom Real to IEEE float Also got the endianness right this time. I think.
Make real.h so we can change reals Needed to fix view.cpp to call Float where it expects GLfloat Had an attempt at making a half precision float, but it didn't go very well. I don't think half precision floats are *that* terrible... Probably got the bit masking wrong.