Although typically performed with a and n both being integers, many computing systems allow other types of numeric operands.

I always thought this might not be the case for Perl though.

From my 1992 copy of "Programming perl" (1st Edition; p83)
The % operator converts to integers before finding the remainder.

Though I'm not exactly sure what perlop wants to tell me aboput that topic.

Multiplicative Operators:
Binary ``%'' computes the modulus of two numbers. Given integer operands $a and $b: If $b is positive, then $a % $b is $a minus the largest multiple of $b that is not greater than $a. If $b is negative, then $a % $b is $a minus the smallest multiple of $b that is not less than $a (i.e. the result will be less than or equal to zero). Note that when use integer is in scope, ``%'' gives you direct access to the modulus operator as implemented by your C compiler. This operator is not as well defined for negative operands, but it will execute faster.

In reply to Re^7: Supporting long long types in XS (NV,PV) by pKai
in thread Supporting long long types in XS by chrisdolan

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