Module: RplLang::Words::OperationsComplexes

Includes:
Types
Included in:
Rpl
Defined in:
lib/rpl/words/operations-complexes.rb

Instance Method Summary collapse

Methods included from Types

new_object

Instance Method Details

#populate_dictionary ⇒ Object 



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# File 'lib/rpl/words/operations-complexes.rb', line 8

def populate_dictionary
  super

  category = 'Operations on complexes'

  @dictionary.add_word!( ['re'],
                         category,
                         '( c -- n ) complex real part',
                         proc do
                           args = stack_extract( [[RplComplex]] )

                           @stack << RplNumeric.new( args[0].value.real )
                         end )

  @dictionary.add_word!( ['im'],
                         category,
                         '( c -- n ) complex imaginary part',
                         proc do
                           args = stack_extract( [[RplComplex]] )

                           @stack << RplNumeric.new( args[0].value.imaginary )
                         end )

  @dictionary.add_word!( ['conj'],
                         category,
                         '( c -- c ) complex conjugate',
                         proc do
                           args = stack_extract( [[RplComplex]] )

                           @stack << RplComplex.new( args[0].value.conjugate )
                         end )

  @dictionary.add_word!( ['arg'],
                         category,
                         '( c -- n ) complex argument in radians',
                         proc do
                           args = stack_extract( [[RplComplex]] )

                           @stack << RplNumeric.new( args[0].value.arg )
                         end )

  @dictionary.add_word!( ['c→r', 'c->r'],
                         category,
                         '( c -- n n ) transform a complex in 2 reals',
                         Types.new_object( RplProgram, '« dup re swap im »' ) )

  @dictionary.add_word!( ['r→c', 'r->c'],
                         category,
                         '( n n -- c ) transform 2 reals in a complex',
                         proc do
                           args = stack_extract( [[RplNumeric], [RplNumeric]] )

                           complex_as_string = "(#{args[1].value}#{args[0].value.positive? ? '+' : ''}#{args[0].value}i)"
                           @stack << RplComplex.new( complex_as_string )
                         end )

  # @dictionary.add_word!( ['p→r', 'p->r'],
  #                       category,
  #                       'cartesian to polar',
  #                       proc do

  #                       end )

  # @dictionary.add_word!( ['r→p', 'r->p'],
  #                       category,
  #                       'polar to cartesian',
  #                       proc do

  #                       end )
end