UFL Formatting

UFL to unicode.

class ufl.formatting.ufl2unicode.Expression2UnicodeHandler(argument_names=None, coefficient_names=None, colorama_bold=False)

Bases: MultiFunction

Convert expressions to unicode.

Initialise.

abs(o, a)

Format an ans.

action(o, a, b)

Format an Action.

and_condition(o, a, b)

Format an and_condition.

argument(o)

Format an argument.

atan2(o, f1, f2)

Format a atan2.

base_form_operator(o)

Format a base_form_operator.

bessel_K(o, nu, f)

Format a bessel_K.

bessel_i(o, nu, f)

Format a bessel_i.

bessel_j(o, nu, f)

Format a bessel_j.

bessel_y(o, nu, f)

Format a bessel_y.

cell_avg(o, f)

Format a cell_avg.

coefficient(o)

Format a coefficient.

coefficient_derivative(o, f, w, v, cd)

Format a coefficient_derivative.

cofactor(o, A)

Format a cofactor.

cofunction(o)

Format a cofunction.

component_tensor(o, A, ii)

Format a component_tensor.

conditional(o, c, t, f)

Format a conditional.

conj(o, a)

Format a conj.

constant(o)

Format a constant.

cross(o, a, b)

Format a cross.

curl(o, f)

Format a curl.

determinant(o, A)

Format a determinant.

deviatoric(o, A)

Format a deviatoric.

div(o, f)

Format a div.

division(o, a, b)

Format a division.

dot(o, a, b)

Format a dot.

eq(o, a, b)

Format an eq.

exp(o, f)

Format a exp.

expr(o)

Format an expr.

expr_list(o, *ops)

Format an expr_list.

expr_mapping(o, *ops)

Format an expr_mapping.

facet_avg(o, f)

Format a facet_avg.

facet_normal(o)

Format a facet_normal.

ge(o, a, b)

Format a ge.

grad(o, f)

Format a grad.

gt(o, a, b)

Format a gt.

identity(o)

Format a identity.

imag(o, a)

Format a imag.

index_sum(o, f, i)

Format a index_sum.

indexed(o, A, ii)

Format an indexed.

inner(o, a, b)

Format an inner.

inverse(o, A)

Format an inverse.

label(o)

Format a label.

le(o, a, b)

Format a le.

list_tensor(o, *ops)

Format a list_tensor.

lt(o, a, b)

Format a lt.

math_function(o, f)

Format a math_function.

max_value(o, a, b)

Format an max_value.

min_value(o, a, b)

Format an min_value.

multi_index(o)

Format a multi_index.

nabla_div(o, f)

Format a nabla_div.

nabla_grad(o, f)

Format a nabla_grad.

ne(o, a, b)

Format a ne.

negative_restricted(o, f)

Format a negative_restriced.

not_condition(o, a)

Format a not_condition.

or_condition(o, a, b)

Format an or_condition.

outer(o, a, b)

Format an outer.

permutation_symbol(o)

Format a permutation_symbol.

positive_restricted(o, f)

Format a positive_restriced.

power(o, a, b)

Format a power.

product(o, a, b)

Format a product.

real(o, a)

Format a real.

scalar_value(o)

Format a scalar_value.

skew(o, A)

Format a skew.

spatial_coordinate(o)

Format a spatial_coordinate.

sqrt(o, f)

Format a sqrt.

sum(o, a, b)

Format a sum.

sym(o, A)

Format a sym.

trace(o, A)

Format a trace.

transposed(o, a)

Format a transposed.

variable(o, f, a)

Format a variable.

variable_derivative(o, f, v)

Format a variable_derivative.

zero(o)

Format a zero.

class ufl.formatting.ufl2unicode.PrecedenceRules

Bases: MultiFunction

An enum-like class for C operator precedence levels.

Initialise.

add(o)

Return precedence of an add.

and_condition(o)

Return precedence of an and_condition.

bessel_function(o)

Return precedence of a call.

call(o)

Return precedence of a call.

cell_avg(o)

Return precedence of a restriced.

cofactor(o)

Return precedence of a mathop.

component_tensor(o)

Return the highest precendence.

conditional(o)

Return precedence of a conditional.

cross(o)

Return precedence of a product.

derivative(o)

Return precedence of a mathop.

deviatoric(o)

Return precedence of a mathop.

division(o)

Return precedence of a product.

dot(o)

Return precedence of a product.

eq(o)

Return precedence of an eq.

facet_avg(o)

Return precedence of a restriced.

ge(o)

Return precedence of a lt.

gt(o)

Return precedence of a lt.

highest(o)

Return the highest precendence.

index_sum(o)

Return precedence of an add.

indexed(o)

Return precedence of a call.

inner(o)

Return precedence of a product.

le(o)

Return precedence of a lt.

list_tensor(o)

Return the highest precendence.

lowest(o)

Return precedence of a lowest.

lt(o)

Return precedence of a lt.

math_function(o)

Return precedence of a call.

mathop(o)

Return precedence of a mathop.

max_value(o)

Return precedence of a call.

min_value(o)

Return precedence of a call.

ne(o)

Return precedence of an eq.

not_condition(o)

Return precedence of a not_condition.

operator(o)

Return precedence of a lowest.

or_condition(o)

Return precedence of an or_condition.

outer(o)

Return precedence of a product.

power(o)

Return precedence of a power.

product(o)

Return precedence of a product.

restricted(o)

Return precedence of a restriced.

skew(o)

Return precedence of a mathop.

sym(o)

Return precedence of a mathop.

terminal(o)

Return the highest precendence.

trace(o)

Return precedence of a mathop.

class ufl.formatting.ufl2unicode.UC

Bases: object

An enum-like class for unicode characters.

Gamma = 'Γ'

Omega = 'Ω'

bold_math_A = '𝐀'

bold_math_a = '𝐚'

circled_times = '⊗'

combining_overline = '̅'

combining_right_arrow_above = '⃗'

cross_product = '⨯'

division_slash = '∕'

dot = '⋅'

element_of = '∈'

epsilon = 'ε'

for_all = '∀'

gamma = 'γ'

ge = '≥'

gt = '>'

integral = '∫'

integral_contour = '∮'

integral_double = '∬'

integral_surface = '∯'

integral_triple = '∭'

integral_volume = '∰'

le = '≤'

left_angled_bracket = '⟨'

left_double_angled_bracket = '⟪'

left_white_square_bracket = '⟦'

logical_and = '∧'

logical_not = '¬'

logical_or = '∨'

lt = '<'

nabla = '∇'

nary_product = '∏'

ne = '≠'

not_element_of = '∉'

omega = 'ω'

partial = '∂'

right_angled_bracket = '⟩'

right_double_angled_bracket = '⟫'

right_white_squared_bracket = '⟧'

sqrt = '√'

subscript_digits = ['₀', '₁', '₂', '₃', '₄', '₅', '₆', '₇', '₈', '₉']

subscript_equals = '₌'

subscript_left_paren = '₍'

subscript_minus = '₋'

subscript_plus = '₊'

subscript_right_paren = '₎'

sum = '∑'

superscript_digits = ['⁰', '¹', '²', '³', '⁴', '⁵', '⁶', '⁷', '⁸', '⁹']

superscript_equals = '⁼'

superscript_left_paren = '⁽'

superscript_minus = '⁻'

superscript_plus = '⁺'

superscript_right_paren = '⁾'

thin_space = '\u2009'

transpose = 'ᵀ'

ufl.formatting.ufl2unicode.bolden_letter(c)

Bolden a letter.

ufl.formatting.ufl2unicode.bolden_string(s)

Bolden a string.

ufl.formatting.ufl2unicode.format_index(ii)

Format an index.

ufl.formatting.ufl2unicode.get_integral_symbol(integral_type, domain, subdomain_id)

Get the symbol for an integral.

ufl.formatting.ufl2unicode.is_int(s)

Check if a value is an integer.

ufl.formatting.ufl2unicode.measure_font(dx)

Use the font for measures.

ufl.formatting.ufl2unicode.opfont(opname)

Use the font for operators.

ufl.formatting.ufl2unicode.overline_string(f)

Overline a string.

ufl.formatting.ufl2unicode.par(s)

Wrap in parentheses.

ufl.formatting.ufl2unicode.precedence(expr)

Get the precedence of an expr.

ufl.formatting.ufl2unicode.subscript_digit(digit)

Make a digit subscript.

ufl.formatting.ufl2unicode.subscript_number(number)

Make a number subscript.

ufl.formatting.ufl2unicode.superscript_digit(digit)

Make a digit superscript.

ufl.formatting.ufl2unicode.superscript_number(number)

Make a number superscript.

ufl.formatting.ufl2unicode.ufl2unicode(expression)

Generate Unicode string for a UFL expression or form.