1# Copyright (c) 2017, Lawrence Livermore National Security, LLC. Produced at 2# the Lawrence Livermore National Laboratory. LLNL-CODE-734707. All Rights 3# reserved. See files LICENSE and NOTICE for details. 4# 5# This file is part of CEED, a collection of benchmarks, miniapps, software 6# libraries and APIs for efficient high-order finite element and spectral 7# element discretizations for exascale applications. For more information and 8# source code availability see http://github.com/ceed. 9# 10# The CEED research is supported by the Exascale Computing Project 17-SC-20-SC, 11# a collaborative effort of two U.S. Department of Energy organizations (Office 12# of Science and the National Nuclear Security Administration) responsible for 13# the planning and preparation of a capable exascale ecosystem, including 14# software, applications, hardware, advanced system engineering and early 15# testbed platforms, in support of the nation's exascale computing imperative. 16 17from _ceed_cffi import ffi, lib 18from abc import ABC 19 20# ------------------------------------------------------------------------------ 21# Ceed Enums 22# ------------------------------------------------------------------------------ 23# CeedMemType 24MEM_HOST = lib.CEED_MEM_HOST 25MEM_DEVICE = lib.CEED_MEM_DEVICE 26mem_types = {MEM_HOST: "host", 27 MEM_DEVICE: "device"} 28 29# CeedCopyMode 30COPY_VALUES = lib.CEED_COPY_VALUES 31USE_POINTER = lib.CEED_USE_POINTER 32OWN_POINTER = lib.CEED_OWN_POINTER 33copy_modes = {COPY_VALUES: "copy values", 34 USE_POINTER: "use pointer", 35 OWN_POINTER: "own pointer"} 36 37# CeedNormType 38NORM_1 = lib.CEED_NORM_1 39NORM_2 = lib.CEED_NORM_2 40NORM_MAX = lib.CEED_NORM_MAX 41norm_types = {NORM_1: "L1 norm", 42 NORM_2: "L2 norm", 43 NORM_MAX: "max norm"} 44 45# CeedTransposeMode 46TRANSPOSE = lib.CEED_TRANSPOSE 47NOTRANSPOSE = lib.CEED_NOTRANSPOSE 48transpose_modes = {TRANSPOSE: "transpose", 49 NOTRANSPOSE: "no transpose"} 50 51# CeedEvalMode 52EVAL_NONE = lib.CEED_EVAL_NONE 53EVAL_INTERP = lib.CEED_EVAL_INTERP 54EVAL_GRAD = lib.CEED_EVAL_GRAD 55EVAL_DIV = lib.CEED_EVAL_DIV 56EVAL_CURL = lib.CEED_EVAL_CURL 57EVAL_WEIGHT = lib.CEED_EVAL_WEIGHT 58eval_modes = {EVAL_NONE: "none", 59 EVAL_INTERP: "interpolation", 60 EVAL_GRAD: "gradient", 61 EVAL_DIV: "divergence", 62 EVAL_CURL: "curl", 63 EVAL_WEIGHT: "quadrature weights"} 64 65# CeedQuadMode 66GAUSS = lib.CEED_GAUSS 67GAUSS_LOBATTO = lib.CEED_GAUSS_LOBATTO 68quad_modes = {GAUSS: "Gauss", 69 GAUSS_LOBATTO: "Gauss Lobatto"} 70 71# CeedElemTopology 72LINE = lib.CEED_LINE 73TRIANGLE = lib.CEED_TRIANGLE 74QUAD = lib.CEED_QUAD 75TET = lib.CEED_TET 76PYRAMID = lib.CEED_PYRAMID 77PRISM = lib.CEED_PRISM 78HEX = lib.CEED_HEX 79elem_topologies = {LINE: "line", 80 TRIANGLE: "triangle", 81 QUAD: "quadrilateral", 82 TET: "tetrahedron", 83 PYRAMID: "pyramid", 84 PRISM: "prism", 85 HEX: "hexahedron"} 86 87# ------------------------------------------------------------------------------ 88# Ceed Constants 89# ------------------------------------------------------------------------------ 90 91# Requests 92REQUEST_IMMEDIATE = lib.CEED_REQUEST_IMMEDIATE 93REQUEST_ORDERED = lib.CEED_REQUEST_ORDERED 94 95# Object shell 96 97 98class _CeedConstantObject(ABC): 99 """Shell for holding constant Vector and Basis constants.""" 100 101 def __init__(self, constant): 102 self._pointer = [constant] 103 104 105# Vectors 106VECTOR_ACTIVE = _CeedConstantObject(lib.CEED_VECTOR_ACTIVE) 107VECTOR_NONE = _CeedConstantObject(lib.CEED_VECTOR_NONE) 108 109# ElemRestriction 110ELEMRESTRICTION_NONE = _CeedConstantObject(lib.CEED_ELEMRESTRICTION_NONE) 111 112# Basis 113BASIS_COLLOCATED = _CeedConstantObject(lib.CEED_BASIS_COLLOCATED) 114 115# ------------------------------------------------------------------------------ 116