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Waterloo FORTRAN

Watcom International Not Supported z/OS, z/VM
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Product Overview

The architecture of Waterloo FORTRAN consists of several key components. The compiler translates FORTRAN 77 source code into object code. The linker combines object files and libraries into an executable.

The runtime libraries provide support for input/output, mathematical functions, and other essential services. The compiler uses a command-line interface. The linker resolves external references and creates the executable.

The runtime libraries provide the necessary functions for program execution. The file system of the z/OS or z/VM environment is used for storing source code, object files, and executables. Security relies on the underlying z/OS or z/VM system's security features.

Authentication is handled by the operating system. Access control is managed through the operating system's security mechanisms, such as RACF. Encryption is handled by the operating system.

The product is no longer supported. Migration to a supported FORTRAN compiler, such as IBM XL Fortran, is recommended. This involves porting the FORTRAN 77 code and addressing any compatibility issues.

Thorough testing is crucial after migration.

Frequently Asked Questions

What is Waterloo FORTRAN?

Waterloo FORTRAN is a FORTRAN 77 compiler and runtime environment designed for IBM mainframe systems. It enables the development and execution of FORTRAN programs on z/OS and z/VM platforms. The compiler translates FORTRAN source code into machine code, while the runtime libraries provide essential support for program execution.

When was Waterloo FORTRAN first released and what is its current status?

Waterloo FORTRAN was initially released in the 1980s. The source code was later released as open source under the Open Watcom project in 2003. However, the product is no longer actively supported by the original vendor.

What are the primary use cases for Waterloo FORTRAN?

The primary use case is to compile and execute FORTRAN 77 programs on IBM mainframe systems. It is suitable for scientific computing, engineering applications, and other tasks that benefit from FORTRAN's numerical capabilities. The compiler translates FORTRAN source code into executable programs.

Which platforms does Waterloo FORTRAN support?

Waterloo FORTRAN is designed for z/OS and z/VM environments. It is not compatible with other operating systems. The compiler and runtime libraries are specifically tailored for these IBM mainframe platforms.

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