Basic HTML version of Foils prepared June 11 99

Foil 13 Activities of the Java Grande Forum I

From Overview of Java Grande Forum DoD HPC Modernization Users Group Tutorial Monterey Californi -- June 7 99. by Geoffrey C. Fox
Two major working groups promoting standards and community actions
Numerics: Java as a language for mathematics led by Ron Boisvert and Roldan Pozo from NIST
  • http://math.nist.gov/javanumerics/
  • Changes in Java controversial handling of floating point which currently has goal of reproducible results but this leads to non optimal accuracy
  • Better Support of Complex arithmetic
  • Lightweight classes and Operator overloading -- enables implementation of complex as a class
  • "Fortran rectangular multidimensional arrays" -- Java naturally has "arrays of arrays"
  • High quality math libraries with agreed interfaces -- FFT, Matrices and Linear Algebra, Transcendental functions

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