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12.10.49 Floor rounding

Unsafe Operation: $floor-fixnum FX

Rounding as defined by floor. This is an identity function, returning N itself.

Unsafe Operation: $floor-bignum BN

Rounding as defined by floor. This is an identity function, returning N itself.

Unsafe Operation: $floor-flonum FL

Rounding as defined by floor. Return a flonum.

Unsafe Operation: $floor-ratnum RN

Rounding as defined by floor. Return an exact integer.