Scheme Programmer's Manual

NAME

fx+, fx* - fixnum addition and multiplication

LIBRARY

(import (rnrs))                     ;R6RS
(import (rnrs arithmetic fixnums))  ;R6RS

SYNOPSIS

(fx+ fx1 fx2)
(fx* fx1 fx2)

DESCRIPTION

These procedures return the sum or product of their arguments, provided that sum or product is a fixnum.

RETURN VALUES

The sum or product of the arguments.

EXAMPLES

(fx+ 2 3) => 5 (fx* 2 3) => 6 (fx+ (greatest-fixnum) 1) => &implementation-restriction exception (fx* (least-fixnum) -1) => &implementation-restriction exception

ERRORS

This procedure can raise exceptions with the following condition types:

&implementation-restriction: Raised when the sum or product is not a fixnum.
&assertion: Raised when an argument is not a fixnum.

STANDARDS

R6RS

AUTHORS

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