View Word: D*

Word Name:

D*

Type:

Standard word

Data Stack Signature:

d:x d:y -- d:x*y

Return Stack Signature:

--

Availability:

V1.2

Description:

Performs a signed multiplication of x and y.

Example:

2468123. 99. D* D. (displays 244344177)
-2468123. 99. D* D. (displays -244344177)
2468123. -99. D* D. (displays -244344177)
-2468123. -99. D* D. (displays 244344177)

Comment:

Because x and y are treated as signed, they only have 31 bits of magnitude. The most significant bit is interpreted as the sign bit.

See Also:

*