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Contents
Example tested with Q'Nial7.
Define new operator using an atlas of operators:
arithmetic is OP A B{[first,last,+,-,*,quotient,mod,power] A B}
Test new operator:
-23 arithmetic 7
-23 7 -16 -30 -161 -4 5 -3404825447
Negative divisors are not accepted for integer quotient <code>quotient</code> or remainder <code>mod</code>, and in both cases the result is an error with the message <code>?negative divisor</code>.
For <code>quotient</code>, if the divisor <code>B</code> is zero, the result is zero.
For <code>mod</code>, if the divisor <code>B</code> is zero, the result is <code>A</code>.
The quotient on division by a positive integer <code>B</code> is always an integer on the same side of the origin as <code>A</code>.
Nial definition of <code>quotient</code>:
A quotient B =f= floor (A / B)
<code>floor</code> rounds towards negative infinity (next lower integer).
Version data entries
10 entries across 7 versions & 1 rubygems