Portable vectorized software for Bessel function evaluation

Author:

Boisvert Ronald F.1,Saunders Bonita V.1

Affiliation:

1. National Institute of Standards and Technology, Gaithersburg, MD

Abstract

A suite of computer programs for the evaluation of Bessel functions and modified Bessel functions of orders zero and one for a vector of real arguments is described. Distinguishing characteristics of these programs are that (a) they are portable across a wide range of machines, and (b) they are vectorized in the case when multiple function evaluations are to be performed. The performance of the new programs are compared with software from the FNLIB collection of Fullerton on which the new software is based.

Publisher

Association for Computing Machinery (ACM)

Subject

Applied Mathematics,Software

Reference12 articles.

1. AB~AMOWlTZ M. A~D STEGUN I.A. Eds. Handbook of Mathematical Functions with Formulas Graphs and Mathematical Tables. U.S. GovernmenL Printing Office Washington D.C. 1964. AB~AMOWlTZ M. A~D STEGUN I.A. Eds. Handbook of Mathematical Functions with Formulas Graphs and Mathematical Tables. U.S. GovernmenL Printing Office Washington D.C. 1964.

2. CLENSHAW C. W. A note on the summation of Chebyshev series. M.T.A.C. 9 51 (July 1955) 118-120. CLENSHAW C. W. A note on the summation of Chebyshev series. M.T.A.C. 9 51 (July 1955) 118-120.

3. Algorithm 692: Model implementation and test package for the Sparse Basic Linear Algebra Subprograms

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1. A proposed software test service for special functions;Quality of Numerical Software;1997

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