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README

FIESTA stands for Feynman Integral Evaluation by a Sector decomposiTion Approach.

Articles

Papers about FIESTA1-4 were published in Computer Physics Communications.


IMPORTANT NOTICE: ALL VERSIONS 2.7-4.0 HAVE AN ERROR THAT CAN PRODUCE TO WRONG RESULTS! YOU SHOULD EITHER

  • switch to 4.1
  • set SmallX = 0.001 in Mathematica
  • use -SmallX 0.001 when directly using CIntegratePool (old databases can be used)

Installation

Either download a binary package, or

Those who had a clone before the url change should run

  • git remote set-url origin git@bitbucket.org:feynmanIntegrals/fiesta.git

Usage

  • make test (just to get sure that the binaries work)
  • Follow the instuctions in the articles
  • There are some examples in the examples folder

Versions

Static versions 4.0 and 4.1 build on Ubuntu 14.10 64bit can be found on the Download page.

Version 4 comes with speed improvements, bug fixes and the possibility to use GPUs.