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#### VAX Floating Point

Conversion of flonums to floating point is correct, and compatible with previous assemblers. Rounding is towards zero if the remainder is exactly half the least significant bit.

`D`, `F`, `G` and `H` floating point formats are understood.

Immediate floating literals (e.g. `S`$6.9`) are rendered correctly. Again, rounding is towards zero in the boundary case.

The `.float` directive produces `f` format numbers. The `.double` directive produces `d` format numbers.