/usr/lib/python2.7/dist-packages/ffc/uflacs/language/ufl_to_cnodes.py is in python-ffc 2016.2.0-1.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 | # -*- coding: utf-8 -*-
# Copyright (C) 2011-2016 Martin Sandve Alnæs
#
# This file is part of UFLACS.
#
# UFLACS is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# UFLACS is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with UFLACS. If not, see <http://www.gnu.org/licenses/>.
"""Tools for C/C++ expression formatting."""
from ffc.log import error
from ufl.corealg.multifunction import MultiFunction
#from ufl.corealg.map_dag import map_expr_dag
class UFL2CNodesMixin(object):
"""Rules collection mixin for a UFL to CNodes translator class."""
def __init__(self, language):
self.L = language
# === Error handlers for missing formatting rules ===
def expr(self, o):
"Generic fallback with error message for missing rules."
error("Missing C++ formatting rule for expr type {0}.".format(o._ufl_class_))
# === Formatting rules for arithmetic operators ===
def sum(self, o, a, b):
return self.L.Add(a, b)
#def sub(self, o, a, b): # Not in UFL
# return self.L.Sub(a, b)
def product(self, o, a, b):
return self.L.Mul(a, b)
def division(self, o, a, b):
return self.L.Div(a, b)
# === Formatting rules for conditional expressions ===
def conditional(self, o, c, t, f):
return self.L.Conditional(c, t, f)
def eq(self, o, a, b):
return self.L.EQ(a, b)
def ne(self, o, a, b):
return self.L.NE(a, b)
def le(self, o, a, b):
return self.L.LE(a, b)
def ge(self, o, a, b):
return self.L.GE(a, b)
def lt(self, o, a, b):
return self.L.LT(a, b)
def gt(self, o, a, b):
return self.L.GT(a, b)
def and_condition(self, o, a, b):
return self.L.And(a, b)
def or_condition(self, o, a, b):
return self.L.Or(a, b)
def not_condition(self, o, a):
return self.L.Not(a)
# === Formatting rules for cmath functions ===
def math_function(self, o, op):
return self._cmath(o._name, op)
def sqrt(self, o, op):
return self._cmath("sqrt", op)
#def cbrt(self, o, op): # Not in UFL
# return self._cmath("cbrt", op)
# cmath also has log10 etc
def ln(self, o, op):
return self._cmath("log", op)
# cmath also has exp2 etc
def exp(self, o, op):
return self._cmath("exp", op)
def cos(self, o, op):
return self._cmath("cos", op)
def sin(self, o, op):
return self._cmath("sin", op)
def tan(self, o, op):
return self._cmath("tan", op)
def cosh(self, o, op):
return self._cmath("cosh", op)
def sinh(self, o, op):
return self._cmath("sinh", op)
def tanh(self, o, op):
return self._cmath("tanh", op)
def atan_2(self, o, y, x):
return self._cmath("atan_2", (y, x))
def acos(self, o, op):
return self._cmath("acos", op)
def asin(self, o, op):
return self._cmath("asin", op)
def atan(self, o, op):
return self._cmath("atan", op)
#def acosh(self, o, op): # Not in UFL
# return self._cmath("acosh", op)
#def asinh(self, o, op): # Not in UFL
# return self._cmath("asinh", op)
#def atanh(self, o, op): # Not in UFL
# return self._cmath("atanh", op)
def erf(self, o, op):
return self._cmath("erf", op)
#def erfc(self, o, op): # Not in UFL
# # C++11 stl has this function
# return self._cmath("erfc", op)
class RulesForC(object):
def _cmath(self, name, op):
return self.L.Call(name, op)
def power(self, o, a, b):
return self.L.Call("pow", (a, b))
def abs(self, o, op):
return self.L.Call("fabs", op)
def min_value(self, o, a, b):
return self.L.Call("fmin", (a, b))
def max_value(self, o, a, b):
return self.L.Call("fmax", (a, b))
# ignoring bessel functions
class RulesForCpp(object):
def _cmath(self, name, op):
return self.L.Call("std::" + name, op)
def power(self, o, a, b):
return self.L.Call("std::pow", (a, b))
def abs(self, o, op):
return self.L.Call("std::abs", op)
def min_value(self, o, a, b):
return self.L.Call("std::min", (a, b))
def max_value(self, o, a, b):
return self.L.Call("std::max", (a, b))
# === Formatting rules for bessel functions ===
def _bessel(self, o, n, v, name):
return self.L.Call("boost::math::" + name, (n, v))
def bessel_i(self, o, n, v):
return self._bessel(o, n, v, "cyl_bessel_i")
def bessel_j(self, o, n, v):
return self._bessel(o, n, v, "cyl_bessel_j")
def bessel_k(self, o, n, v):
return self._bessel(o, n, v, "cyl_bessel_k")
def bessel_y(self, o, n, v):
return self._bessel(o, n, v, "cyl_neumann")
class UFL2CNodesTranslatorC(MultiFunction, UFL2CNodesMixin, RulesForC):
"""UFL to CNodes translator class."""
def __init__(self, language):
MultiFunction.__init__(self)
UFL2CNodesMixin.__init__(self, language)
class UFL2CNodesTranslatorCpp(MultiFunction, UFL2CNodesMixin, RulesForCpp):
"""UFL to CNodes translator class."""
def __init__(self, language):
MultiFunction.__init__(self)
UFL2CNodesMixin.__init__(self, language)
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