PetscRandomGetValuesReal#

Generates a sequence of real random numbers. Call this after first calling PetscRandomCreate().

Synopsis#

#include "petscsys.h" 
PetscErrorCode PetscRandomGetValuesReal(PetscRandom r, PetscInt n, PetscReal *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

Note#

Use VecSetRandom() to set the elements of a vector to random numbers.

See Also#

PetscRandom, PetscRandomCreate(), PetscRandomDestroy(), VecSetRandom(), PetscRandomGetValues()

Level#

intermediate

Location#

src/sys/classes/random/interface/random.c

Examples#

src/ksp/ksp/tutorials/ex21.c
src/ksp/ksp/tutorials/ex82.c

Implementations#

PetscRandomGetValuesReal_CURAND in src/sys/classes/random/impls/curand/curand.c

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