Implementation of Exact Computation

What's new? Last Update: Feb. 1, 1997.

Real/Expr is a set of C++ class libraries which supports the precision-driven approach to implementation of exact algorithms in computational geometry.
Our Interpretation of Exact Computation
Introduction to Real/Expr
Example Programs
The example program to compute the sign of determinants can be found here.
Source Codes

[ Exact Geometric Computation Homepage ] [ CS Projects ] [ CS Dept ] [ CIMS ] [ NYU ]
Should you have any comment, send an e-mail to Kouji Ouchi(
or the project supervisor Prof. Chee Yap (