Algorithm 737: INTLIB—a portable Fortran 77 interval standard-function library
ACM Transactions on Mathematical Software (TOMS)
ACM Transactions on Mathematical Software (TOMS)
Software for Interval Arithmetic: A Reasonably Portable Package
ACM Transactions on Mathematical Software (TOMS)
C-XSC: A C++ Class Library for Extended Scientific Computing
C-XSC: A C++ Class Library for Extended Scientific Computing
Automatic Differentiation and Interval Arithmetic for Estimation of Disequilibrium Models
Computational Economics - Special issue on computational economics in Geneva: volume 1: computational econometrics, statistics, and optimization
Complex fans: a representation for vectors in polar form with interval attributes
ACM Transactions on Mathematical Software (TOMS)
On stopping criteria in verified nonlinear systems or optimization algorithms
ACM Transactions on Mathematical Software (TOMS)
Verifying topological indices for higher-order rank deficiencies
Journal of Complexity
FILIB++, a fast interval library supporting containment computations
ACM Transactions on Mathematical Software (TOMS)
Optimization Methods & Software - GLOBAL OPTIMIZATION
Journal of Computational and Applied Mathematics
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Interval arithmetic is useful in automatically verified computations, that is, in computations in which the algorithm itself rigorously proves that the answer must lie within certain bounds. In addition to rigor, interval arithmetic also provides a simple and sometimes sharp method of bounding ranges of functions for global optimization and other tasks. Convenient use of interval arithmetic requires an interval data type in the programming language. Although various packages supply such a data type, previous ones are machine specific, obsolete, and unsupported, for languages other than Fortran, or commercial. The Fortran 90 module INTERVAL_ARITHMETIC provides a portable interval data type in Fortran 90. This data type is based on two double-precision real Fortran storage units. Module INTERVAL_ARTHMETIC uses the Fortran 77 library INTLIB (ACM TOMS Algorithm 737) as a supporting library. The module has been employed extensively in the author's own research.