A new algorithm for the evaluation of the incomplete gamma function on vector computers

  • Authors:

  • H. Früchtl;P. Otto

  • Affiliations:

  • Friedrich-Alexander-Univ., Erlangen, Germany;Friedrich-Alexander-Univ., Erlangen, Germany

  • Venue:
  • ACM Transactions on Mathematical Software (TOMS)
  • Year:
  • 1994

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Abstract

Several methods of evaluating the Incomplete Gamma Function are compared according to accuracy and computation time. An improved algorithm is presented which allows significantly faster computation of two-electron integrals on most vector computers, especially in the case of GLO functions. Parameters for F0(t) are tabulated.