square - multiply a number by itself

LIBRARY

(import (scheme base))              ;R7RS

SYNOPSIS

(square z)

DESCRIPTION

Returns the square of z. This is equivalent to (* z z).

RETURN VALUES

Returns a single value which is a number.

EXAMPLES

(square 42)  => 1764
(square 2.0) => 4.0

COMPATIBILITY

Only exists in R7RS. Can be replaced with (lambda (z) (* z z)).

ERRORS

It is an error for this procedure to be passed the wrong number of arguments, and it is an error if z is not a complex number object. Implementations may signal an error, extend the procedure's domain of definition to include such arguments, or fail catastrophically.

SEE ALSO

sqrt(3scm), expt(3scm), *(3scm)

STANDARDS

R7RS

HISTORY

The square procedure first appears in R7RS.

AUTHORS

This page is part of the scheme-manpages project. It includes materials from the RnRS documents. More information can be found at https://github.com/schemedoc/manpages/.

Markup created by unroff 1.0sc,    March 04, 2023.