Estimated hours taken:
Branches: main, release
Reorganize the code in the compiler to centralize the code which handles
output of floating point literals.
compiler/c_util.m:
Add new routines make_float_literal and output_float_literal.
These output to 17 digits precision.
Also add some comments.
compiler/mlds_to_c.m:
compiler/llds_out.m:
compiler/mlds_to_java.m:
compiler/ilasm.m:
Use the new routines.
Also add some comments.
tests/hard_coded/Mmakefile:
tests/hard_coded/float_consistency.m:
tests/hard_coded/float_consistency.exp:
A regression test.
