Added SHORT-FLOAT-LESS-AST.
Added SINGLE-FLOAT-LESS-AST.
Added DOUBLE-FLOAT-LESS-AST.
Added LONG-FLOAT-LESS-AST.
Added SHORT-FLOAT-NOT-GREATER-AST.
Added SINGLE-FLOAT-NOT-GREATER-AST.
Added DOUBLE-FLOAT-NOT-GREATER-AST.
Added LONG-FLOAT-NOT-GREATER-AST.
Created macro for code factoring.
Used new macro to factor code.
Improved comments.