Proceedings ArticleDOI
A unified algorithm for elementary functions
J. S. Walther
- pp 379-385
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This paper describes a single unified algorithm for the calculation of elementary functions including multiplication, division, sin, cos, tan, arctan, sinh, cosh, tanh, arCTanh, In, exp and square-root.Abstract:
This paper describes a single unified algorithm for the calculation of elementary functions including multiplication, division, sin, cos, tan, arctan, sinh, cosh, tanh, arctanh, In, exp and square-root The basis for the algorithm is coordinate rotation in a linear, circular, or hyperbolic coordinate system depending on which function is to be calculated The only operations required are shifting, adding, subtracting and the recall of prestored constants The limited domain of convergence of the algorithm is calculated, leading to a discussion of the modifications required to extend the domain for floating point calculationsread more
Citations
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Journal ArticleDOI
Como Trabajan las Calculadoras
TL;DR: The CORDIC metodo as mentioned in this paper is a simple algoritmo used by a calculadora to evaluate the mayoria of funciones (trigonometricas, logaritmicas, exponenciales, hiperbolicas, etc.), and aun mas, se usa el same metodo for efectuar multiplicaciones y divisiones.
Book ChapterDOI
A Hardware Approach to Interval Arithmetic for Sine and Cosine Functions
TL;DR: Some minimal modifications to the CORDIC architecture are proposed to efficiently support either interval or regular sine and cosine functions, and a low worst case error is obtained.
Proceedings ArticleDOI
An adaptive vector parallel supported transcendental function unit for stream processor
TL;DR: A stream processor with a transcendental function unit is addressed in this paper, which is based on the Cordic algorithm, and the maximum speed-up ratio is up to 3.2 compared with the primal stream processor.
Proceedings ArticleDOI
FPGA prototyping for CORDIC-based OFDM baseband receiver
Chih-Feng Wu,Muh-Tian Shiue +1 more
TL;DR: A FPGA prototyping of CORDIC-based OFDM baseband receiver is presented to demonstrate the joint carrier synchronization and channel equalization algorithm.
Proceedings ArticleDOI
Design and Implementation of CORDIC algorithm using Integrated Adder and Subtractor
TL;DR: In this article, a new integrated adder and subtractor designed using reversible gates in the place of binary adders and subtractors used in the previous design has been implemented using a variety of FPGA families.
References
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Journal ArticleDOI
The CORDIC Trigonometric Computing Technique
TL;DR: The trigonometric algorithms used in this computer and the instrumentation of these algorithms are discussed in this paper.
Journal ArticleDOI
Decimal-Binary Conversions in CORDIC
TL;DR: The CORDIC conversion technique is sufficiently general to be applied to decimal-binary conversion problems involving other mixed radix systems and other decimal codes.