Patent ID: 9053045
Filing Date: 2015-06-09
Classification: G06F

Abstract:
1. Polynomial circuitry for calculating a polynomial having terms including powers of an input variable, said input variable represented by a mantissa and an exponent, said circuitry comprising: at least one respective coefficient table corresponding to a respective one of said terms of said polynomial; wherein: for each respective one of said terms of said polynomial, each respective coefficient table is loaded with a plurality of respective instances of a respective coefficient for said respective one of said terms of said polynomial, and respective instances of said respective coefficient for said respective one of said terms of said polynomial are multiple versions of said respective coefficient, each version being shifted by a different number of bits; and respective decoder circuitry associated with each respective one of said coefficient tables, said respective decoder circuitry selecting one of said instances of said respective coefficient for said respective one of said terms of said polynomial based on said exponent and on a range, from among a plurality of ranges, of input values into which said input variable falls.