tree c9f7c22562e56ad40b2ccc82d610c97bf9045172
parent 368187dd96e44430ed3eff270dfec171298a7149
author Alex Herbert <aherbert@apache.org> 1586897877 +0100
committer Alex Herbert <aherbert@apache.org> 1586897877 +0100

Fraction: Optimise divide by fraction

The divide uses multiply by reciprocal. This can avoid the call to
reciprocal() by directly inverting the numerator and denominator. These
will already by in reduced form and thus this avoids the reduction
algorithm.