Basic HTML version of Foils prepared 26 September 1996

Foil 21 More on Fortran90 Arrays and Subroutines

From HPCC Software Technologies Fall 96 -- Overview and HPF Delivered Lectures of CPS615 Basic Simulation Track for Computational Science -- 26 September 96. by Geoffrey C. Fox


1 One passes "assumed-shape" arrays from calling to callee routines using INTERFACE syntax
2 INTERFACE
  • SUBROUTINE residual (r,u,f)
    • REAL r(:,:) , u(:,:) , F(:,:)
  • END SUBROUTINE
3 END INTERFACE is called by
4 call residual (r,u,f) or
5 call residual ( r(0:nx:2, 0:ny:2) , u(0:nx:2, 0:ny:2) , f(0:nx:2, 0:ny:2) )
6 where latter example just processes every other element of arrays

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