PETSc version 3.16.1
PetscRandomGetValues
Generates a sequence of random numbers. Call this after first calling PetscRandomCreate().
Synopsis
#include "petscsys.h"
PetscErrorCode PetscRandomGetValues(PetscRandom r, PetscInt n, PetscScalar *val)
Not Collective
Input Parameters
| r | - the random number generator context
|
| n | - number of random numbers to generate
|
Output Parameter
| val | - the array to hold the values
|
Notes
Use VecSetRandom() to set the elements of a vector to random numbers.
When PETSc is compiled for complex numbers this returns an array of complex numbers with random real and complex parts.
Use PetscRandomGetValuesReal() to get an array of random real numbers.
See Also
PetscRandomCreate(), PetscRandomDestroy(), VecSetRandom(), PetscRandomGetValue()
Level
intermediate
Location
src/sys/classes/random/interface/random.c
Implementations
PetscRandomGetValues_CURAND in src/sys/classes/random/impls/curand/curand.c
Index of all Sys routines
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Index of all manual pages