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# Author:: Eric Crane (mailto:eric.crane@mac.com)
# Copyright:: Copyright (c) 2020 Eric Crane. All rights reserved.
#
# An object with a decimal value.
#
module Gloo
module Objs
class Decimal < Gloo::Core::Obj
KEYWORD = 'decimal'.freeze
KEYWORD_SHORT = 'num'.freeze
#
# The name of the object type.
#
def self.typename
return KEYWORD
end
#
# The short name of the object type.
#
def self.short_typename
return KEYWORD_SHORT
end
#
# Set the value with any necessary type conversions.
#
def set_value( new_value )
if new_value.nil?
self.value = 0.0
return
end
unless new_value.is_a? Numeric
self.value = @engine.converter.convert( new_value, 'Decimal', 0.0 )
return
end
self.value = new_value.to_f
end
# ---------------------------------------------------------------------
# Messages
# ---------------------------------------------------------------------
#
# Get a list of message names that this object receives.
#
def self.messages
return super + %w[round]
end
#
# Round the value to a whole value.
# If a parameter is included in the message,
# round to the precision given.
#
def msg_round
data = 0
if @params&.token_count&.positive?
expr = Gloo::Expr::Expression.new( @engine, @params.tokens )
data = expr.evaluate.to_i
end
i = self.value.round( data )
set_value i
@engine.heap.it.set_to i
return i
end
end
end
end
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20 entries across 20 versions & 1 rubygems