Class: Plurimath::Math::Function::Prod

Inherits:
TernaryFunction show all
Defined in:
lib/plurimath/math/function/prod.rb

Constant Summary collapse

FUNCTION = 
{
  name: "prod",
  first_value: "subscript",
  second_value: "supscript",
}.freeze

Instance Attribute Summary

Attributes inherited from TernaryFunction

#parameter_one, #parameter_three, #parameter_two

Instance Method Summary collapse

Methods inherited from TernaryFunction

#==, #all_values_exist?, #any_value_exist?, #initialize, #to_asciimath_math_zone, #to_latex_math_zone, #to_mathml_math_zone, #to_omml_math_zone

Methods inherited from Core

#ascii_fields_to_print, #class_name, #common_math_zone_conversion, #dump_mathml, #dump_omml, #dump_ox_nodes, #empty_tag, #extract_class_from_text, #extractable?, #filtered_values, #font_style_t_tag, #gsub_spacing, #insert_t_tag, #invert_unicode_symbols, #latex_fields_to_print, #mathml_fields_to_print, #omml_fields_to_print, #omml_nodes, #omml_parameter, #omml_tag_name, #r_element, #tag_name, #validate_function_formula, #validate_mathml_fields

Constructor Details

This class inherits a constructor from Plurimath::Math::Function::TernaryFunction

Instance Method Details

#nary_attr_value ⇒ Object 



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# File 'lib/plurimath/math/function/prod.rb', line 79

def nary_attr_value
  "∏"
end

#to_asciimath ⇒ Object 



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# File 'lib/plurimath/math/function/prod.rb', line 15

def to_asciimath
  first_value = "_#{wrapped(parameter_one)}" if parameter_one
  second_value = "^#{wrapped(parameter_two)}" if parameter_two
  "prod#{first_value}#{second_value} #{parameter_three&.to_asciimath}".strip
end

#to_html ⇒ Object 



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# File 'lib/plurimath/math/function/prod.rb', line 57

def to_html
  first_value = "<sub>#{parameter_one.to_html}</sub>" if parameter_one
  second_value = "<sup>#{parameter_two.to_html}</sup>" if parameter_two
  "<i>&prod;</i>#{first_value}#{second_value}"
end

#to_latex ⇒ Object 



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# File 'lib/plurimath/math/function/prod.rb', line 21

def to_latex
  first_value = "_{#{parameter_one.to_latex}}" if parameter_one
  second_value = "^{#{parameter_two.to_latex}}" if parameter_two
  "\\prod#{first_value}#{second_value} #{parameter_three&.to_latex}".strip
end

#to_mathml_without_math_tag ⇒ Object 



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# File 'lib/plurimath/math/function/prod.rb', line 27

def to_mathml_without_math_tag
  first_value = Utility.ox_element("mo") << invert_unicode_symbols.to_s
  if parameter_one || parameter_two
    value_array = [first_value]
    value_array << parameter_one&.to_mathml_without_math_tag
    value_array << parameter_two&.to_mathml_without_math_tag
    tag_name = if parameter_two && parameter_one
                 "underover"
               else
                 parameter_one ? "under" : "over"
               end
    munderover_tag = Utility.ox_element("m#{tag_name}")
    Utility.update_nodes(
      munderover_tag,
      value_array,
    )
    return munderover_tag if parameter_three.nil?

    Utility.update_nodes(
      Utility.ox_element("mrow"),
      [
        munderover_tag,
        parameter_three&.to_mathml_without_math_tag,
      ].flatten.compact,
    )
  else
    first_value
  end
end

#to_omml_without_math_tag(display_style) ⇒ Object 



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# File 'lib/plurimath/math/function/prod.rb', line 63

def to_omml_without_math_tag(display_style)
  return r_element("&#x220f;", rpr_tag: false) unless all_values_exist?

  nary = Utility.ox_element("nary", namespace: "m")
  Utility.update_nodes(
    nary,
    [
      narypr("∏"),
      omml_parameter(parameter_one, display_style, tag_name: "sub"),
      omml_parameter(parameter_two, display_style, tag_name: "sup"),
      omml_parameter(parameter_three, display_style, tag_name: "e"),
    ],
  )
  [nary]
end