Commit b789f010 authored by Martin Bauer's avatar Martin Bauer
Browse files

Random number generation support for pystencils

- counter-based philox RNG: counter/key is filled with cell coordinate
  and optional external parameters like block position and time step
- works on CPU and GPU - on CPU only for non-vectorized versions

- introduced more flexible "CustomCodeNode" that can inject
  backend-specific hand-written code
parent b41dc352
import numpy as np
import sympy as sp
from pystencils import TypedSymbol, create_indexed_kernel, Assignment
from pystencils.backends.cbackend import CustomCppCode
from pystencils.backends.cbackend import CustomCodeNode
from pystencils.boundaries import BoundaryHandling
from pystencils.boundaries.boundaryhandling import BoundaryOffsetInfo
from pystencils.stencils import inverse_direction
......@@ -76,7 +76,7 @@ class LatticeBoltzmannBoundaryHandling(BoundaryHandling):
boundary_obj, target=self._target, openmp=self._openmp)
class LbmWeightInfo(CustomCppCode):
class LbmWeightInfo(CustomCodeNode):
# --------------------------- Functions to be used by boundaries --------------------------
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