Intel has developed a set of recommended algorithms for performing floating-point division, floating-point square root, integer division, and integer remainder operations on the Intel® Itanium® architecture. All the Intel-provided floating-point algorithms have been carefully designed to provide IEEE-correct results. The integer algorithms provide results that are mathematically correct, as defined by the C and Fortran language specifications. This document provides an overview of the scope of the algorithm set, describes the mathematics of each algorithm, and includes each in the form of a function coded in Itanium™ assembly language. The intention is that these can be inlined by compilers, used as the core of mathematical libraries, or called on as macros by assembly language programmers.
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