Calling Fortran77 From HPF

• LAYER 2: Transition layer

  • Extrinsic with local view of the matrix
    • HPF_LOCAL (layer 3 F77_LOCAL or F90_LOCAL)
    • F90_LOCAL (layer 3 F77_LOCAL or F90_LOCAL)
  • Translate HPF’s assumed shape array to Fortran77’s assumed size array,
  • Determine leading dimension of assumed size array so Fortran77 routines can do index computation.

• LAYER 3: ScaLAPACK message passing layer

  • Extrinsic F77_LOCAL or F90_LOCAL

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