Patent · US Active

Transcendental function evaluation

US10725742B2 · kind B2 · utility

0Cited by

2References

20Claims

0Family size

Assignee

TEXAS INSTRUMENTS INCORPORATED · US

Inventors

Prasanth Viswanathan Pillai · Kanchinakote, IN
Richard Mark Poley · Sugar Land, US
Venkatesh Natarajan · Bengaluru, IN
Alexander Tessarolo · Sydney, AU

Key dates

Filing date	Jun 5, 2018
Grant date	Jul 28, 2020
Priority date	—
Expiry date	Oct 9, 2038

Classification

Technology area (CPC G)Physics
CPC primaryG06F7/548
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

In described examples, an apparatus is arranged to generate a linear term, a quadratic term, and a constant term of a transcendental function with, respectively, a first circuit, a second circuit, and a third circuit in response to least significant bits of an input operand and in response to, respectively, a first, a second, and a third table value that is retrieved in response to, respectively, a first, a second, and a third index generated in response to most significant bits of the input operand. The third circuit is further arranged to generate a mantissa of an output operand in response to a sum of the linear term, the quadratic term, and the constant term.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.