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[Lapack] proposal for automatic generation of slamch and dlamch

Hello,

the attachment has to be unpacked in the INSTALL directory. It creates 
its own subdirectory "auto/".

To create thread-save and fast versions of slamch.f and dlamch.f 
according to the actual machine, change to this directory and type 
"make". Copy the generated files ?lamch.f back to INSTALL/ and run 
testslamch and testdlamch. The results should be the same.
The original files are stored as auto/slamch_probe.f and 
auto/dlamch_probe.f.

This was successfully tested by me on Cray/UNICOS, IBM/AIX, 
SiliconGraphics/IRIX and PC/Linux.

Perhaps it's helpful.

With regards
Ingo

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