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File No. S360-25(Os)
Form GY28-6642-4
Program Logic
IBM System/3S0 Operating System
FORTRAN IV (H) Compiler
Program Logic Manual
Program Number 360S-PO-500
This publication describes the internal design of
the IBM System/360 Operating System FORTRAN IV (H)
compiler program. This compiler transforms source
modules written in the FORTRAN IV language into object
modules that are suitable for input to the linkage
editor for subsequent execution on System/360. At the
user's option, the compiler optimizes its object
modules so that they can be executed with improved
efficiency.
This manual is directed to IBM customer engineers
who are responsible for program maintenance. It can be
used to locate specific areas of the program and to
relate these areas to the corresponding program
listings. Because program logic information is not
necessary for program operation and use, distribution
of this manual is restricted to persons with
program-maintenance responsibilities.
Fifth Edition (June 1970)
This is a major revision of, and makes obsolete, the previous edition,
Form Y28-6642-3. changes to the text, and small changes to
illustrations, are indicated by a vertical line to the left of the
change; changed or added illustrations are denoted by the symbol