toms683

toms683, a FORTRAN77 code which evaluates an exponential integral with complex argument, by Donald Amos. This is a version of ACM TOMS algorithm 683.

The original version of toms683 is available through ACM: https://www.acm.org/pubs/calgo or NETLIB: https://www.netlib.org/toms/index.html

Licensing:

The computer code and data files made available on this web page are distributed under the MIT license

Languages:

toms683 is available in a FORTRAN77 version.

Related Data and Programs:

toms683_test

Author:

Original Fortran77 version by Donald Amos.

Reference:

1. Donald Amos,
   Algorithm 683: A portable Fortran subroutine for exponential integrals of a complex argument,
   ACM Transactions on Mathematical Software,
   Volume 16, Number 2, June 1990, pages 178-182.

Source Code:

• toms683.f, the source code.
• toms683.sh, compiles the source code.