Generic Image Library: Algorithms and Utility Functions

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# Algorithms and Utility Functions
[Point]

## Detailed Description

Algorithms and Utility Functions for points.

Example:

    assert(iround(point2<double>(3.1, 3.9)) == point2<std::ptrdiff_t>(3,4));

## Functions

point2< std::ptrdiff_t > | iround (const point2< float > &p)
point2< std::ptrdiff_t > | iround (const point2< double > &p)
point2< std::ptrdiff_t > | ifloor (const point2< float > &p)
point2< std::ptrdiff_t > | ifloor (const point2< double > &p)
point2< std::ptrdiff_t > | iceil (const point2< float > &p)
point2< std::ptrdiff_t > | iceil (const point2< double > &p)