PETSc version 3.17.5
PetscBLASIntCast
casts a PetscInt (which may be 64 bits in size) to a PetscBLASInt (which may be 32 bits in size), generates an error if the PetscBLASInt is not large enough to hold the number.
Synopsis
static inline PetscErrorCode PetscBLASIntCast(PetscInt a,PetscBLASInt *b)
Not Collective
Input Parameter
Output Parameter
Notes
Not available from Fortran
Errors if the integer is negative since PETSc calls to BLAS/LAPACK never need to cast negative integer inputs
See Also
PetscBLASInt, PetscMPIInt, PetscInt, PetscMPIIntCast(), PetscIntCast(), PetscCountCast()
Level
advanced
Location
include/petscsys.h
Examples
src/ts/tutorials/ex50.c.html
Index of all Sys routines
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