Microsoft KB Archive/27211

= Generating Random Numbers in FORTRAN =

Article ID: 27211

Article Last Modified on 9/30/2003

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APPLIES TO


 * Microsoft FORTRAN Compiler 4.0
 * Microsoft FORTRAN Compiler 4.01
 * Microsoft FORTRAN Compiler 4.1
 * Microsoft FORTRAN Compiler 5.0
 * Microsoft FORTRAN Compiler 5.1

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This article was previously published under Q27211



SUMMARY
Microsoft FORTRAN provides a random number generator in versions 5.0, 5.01, and 5.1. It is documented on pages 272-273 of the Microsoft FORTRAN &quot;Reference&quot; manual for versions 5.0 and 5.1. Even though previous versions of Microsoft FORTRAN do not provide a random number generation function, there are at least two methods to generate random numbers in FORTRAN versions 4.0, 4.01, and 4.1.

The DEMORAN.FOR file demonstrates a uniform random-number generator for FORTRAN. DEMORAN.FOR is distributed on the Utilities and Source Code Disk (disk 3 or 6) in FORTRAN versions 4.0 and 4.01 and on the Setup disk for version 4.1. Comments at the beginning of the DEMORAN.FOR file provide documentation.

The other method involves using the mixed-language programming capabilities of Microsoft FORTRAN. Call a Microsoft C or QuickC run-time library to access the rand function in the library routines.

Additional query words: kbinf 4.00 4.01 4.10 5.00 5.10

Keywords: KB27211

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