Alex Herbert created NUMBERS-192:
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Summary: Add subtract method to Sum
Key: NUMBERS-192
URL: https://issues.apache.org/jira/browse/NUMBERS-192
Project: Commons Numbers
Issue Type: Improvement
Components: core
Affects Versions: 1.1
Reporter: Alex Herbert
The Sum class can be used to add and subtract many terms. Subtraction of
individual terms is performed by negating the argument and using the {{add}}
method:
{code:java}
Sum.of(1, -2, 3, -4, 5).add(-6).add(7)
{code}
However there is no subtract method for subtraction of another sum to
complement the {{add(Sum)}} method. This prevents using the extended precision
part of the Sum in subtraction.
I suggest adding:
{code:java}
public Sum subtract(Sum other){code}
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