[petsc-users] how does the srand48/drand48 works in windows build PETSc-3.3?

[Yonghui]

Dear PETSc users,

 

I am start to use PETSc-3.3 and trying to build a Cygwin free windows
version (I just don't want to have Cygwin installed).

Thanks for the effort that the developers made for those macros
(PETSC_HAVE__FINITE, PETSC_HAVE__ISNAN, etc).

 

Here is a question: how does srand48/drand48 works in windows? Can I replace
them with other random number generator (that's the last option since I am
not sure whether they will be used in other functions)? I don't see any
equivalent definition in any headers in windows so far.

There is a windows build tutorial but need Cygwin installed. Does that mean
I have to use srand48/drand48 provided by Cygwin (not sure but maybe)?

 

I am using MSVS 2010+intel compiler+mpich.

 

Any comment will be appreciated.

 

Thanks,

Yonghui

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