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Virtual Workshop Modules
Fortran 90
Introduction
1. What is Fortran 90?
2. Syntax Improvements
   2.1 Fortran 77 Extensions
   2.2 Attributes
3. Array Features
   3.1 Elemental Operations
   3.2 Array Sections and Constructors
   3.3 Allocatable Arrays
4. Automatic Arrays
   4.1 Declaring Dummy Arguments
5. Interface Block
   5.1 Interface Block Example
   5.2 Module and Use Statements
6. Array Inquiry Functions
   6.1 Example
   6.2 Array Transformation Functions
   6.3 Reduction Operations
   6.4 WHERE
   6.5 Vector Subscripts
7. INTENT Attributes
   7.1 Keyword and Optional Arguments
   7.2 Derived Types
8. HPF and Fortran 90
   8.1 Fortran 90, not HPF
   8.2 Fortran 90 and MPI-2
References
Quiz
Evaluation
Questions?
6.2 Array Transformation Functions
Again, judicious use of Fortran 90's many intrinsic functions gives the compiler maximum flexibility in determining how operations should be implemented. Potentially, this includes the possibility of efficient parallel implementations of these intrinsic functions.
  • Array construction functions
    • SPREAD, PACK, RESHAPE, ...
  • Vector and matrix multiplication
    • DOT_PRODUCT, MATMUL
  • Reduction functions
    • SUM, PRODUCT, COUNT, MAXVAL, ANY, ALL...
  • Geometric location functions
    • MAXLOC, MINLOC
  • Array manipulation functions
    • CSHIFT, EOSHIFT, TRANSPOSE

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