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SafeSubtract

Visual Studio 2012

Subtracts two numbers in a way that protects against overflow.

template<typename T, typename U>
inline bool SafeSubtract (
   T t,
   U u,
   T& result
) throw ();

true if no error occurs; false if an error occurs.

This method is part of SafeInt Library and is designed for a single subtraction operation without creating an instance of the SafeInt Class.

Note
This method should only be used when a single mathematical operation must be protected. If there are multiple operations, you should use the SafeInt class instead of calling the individual stand-alone functions.

For more information about the template types T and U, see SafeInt Functions.

Header: safeint.h

Namespace: Microsoft::Utilities

SafeInt Class

SafeAdd

SafeInt Functions

SafeInt Library

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