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#
Examples#
src/ksp/ksp/tutorials/ex21.c
src/ksp/ksp/tutorials/ex82.c
src/mat/tests/ex241.c
src/mat/tests/ex246.cxx
src/mat/tests/ex268.c
src/mat/tests/ex66.c
src/vec/is/utils/tests/ex1.c
Implementations#
PetscRandomGetValuesReal_CURAND() in src/sys/classes/random/impls/curand/curand.c
PetscRandomGetValuesReal_Random123() in src/sys/classes/random/impls/random123/random123.c
Index of all Sys routines
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Index of all manual pages