4 static PetscErrorCode PetscRandomSeed_Rand48(PetscRandom r)  in PetscRandomSeed_Rand48()  argument
7   srand48(r->seed);  in PetscRandomSeed_Rand48()
11 static PetscErrorCode PetscRandomGetValue_Rand48(PetscRandom r, PetscScalar *val)  in PetscRandomGetValue_Rand48()  argument
15   if (r->iset) {  in PetscRandomGetValue_Rand48()
16 …RealPart(r->width) * (PetscReal)drand48() + PetscRealPart(r->low) + (PetscImaginaryPart(r->width) …  in PetscRandomGetValue_Rand48()
21   if (r->iset) *val = r->width * drand48() + r->low;  in PetscRandomGetValue_Rand48()
27 static PetscErrorCode PetscRandomGetValueReal_Rand48(PetscRandom r, PetscReal *val)  in PetscRandomGetValueReal_Rand48()  argument
31   if (r->iset) *val = PetscRealPart(r->width) * drand48() + PetscRealPart(r->low);  in PetscRandomGetValueReal_Rand48()
34   if (r->iset) *val = r->width * (PetscReal)drand48() + r->low;  in PetscRandomGetValueReal_Rand48()
51    PETSCRAND48 - access to the basic Unix `drand48()` random number generator
54 . -random_type <rand,rand48,sprng> - select the random number generator at runtime
64 PETSC_EXTERN PetscErrorCode PetscRandomCreate_Rand48(PetscRandom r)  in PetscRandomCreate_Rand48()  argument
67   r->ops[0] = PetscRandomOps_Values;  in PetscRandomCreate_Rand48()
68   PetscCall(PetscObjectChangeTypeName((PetscObject)r, PETSCRAND48));  in PetscRandomCreate_Rand48()