petsc-3.4.5 2014-06-29

PetscRandomSetSeed

 Sets the random seed. You MUST call PetscRandomSeed() after this call to have the new seed used.

Synopsis

#include "petscsys.h" 
PetscErrorCode  PetscRandomSetSeed(PetscRandom r,unsigned long seed)
Not collective

Input Parameters

r - The random number generator context
seed - The random seed

Usage

PetscRandomSetSeed(r,a positive integer); PetscRandomSeed(r); PetscRandomGetValue() will now start with the new seed.

PetscRandomSeed(r) without a call to PetscRandomSetSeed() re-initializes the seed. The random numbers generated will be the same as before.

See Also

PetscRandomCreate(), PetscRandomGetSeed(), PetscRandomSeed()

Level:intermediate
Location:src/sys/classes/random/interface/randomc.c
Index of all Sys routines
Table of Contents for all manual pages
Index of all manual pages