Porting programs to XL Fortran

Outline of the porting process
Portability of directives
Common industry extensions that XL Fortran supports
Mixing data types in statements
Date and time routines
Other libc routines
Changing the default sizes of data types
Name conflicts between your procedures and XL Fortran intrinsic procedures
Reproducing results from other systems
Finding nonstandard extensions

XL Fortran provides many features intended to make it easier to take programs that were originally written for other computer systems or compilers and recompile them with XL Fortran.