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Real.m
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1990-08-16
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84 lines
%
% @(#)Real.m 1.2 6/29/87
%
export _RealObject to "Builtins"
const _RealObject == immutable object _RealObject
export getSignature, create
const RealType == immutable type RealType
function + [o : Real] -> [r : Real]
% r <- self + o
function - [o : Real] -> [r : Real]
% r <- self - o
function * [o : Real] -> [r : Real]
% r <- self * o
function / [o : Real] -> [r : Real]
% r <- self / o
function > [o : Real] -> [r : Boolean]
% r <- self > o
function >= [o : Real] -> [r : Boolean]
% r <- self >= o
function < [o : Real] -> [r : Boolean]
% r <- self < o
function <= [o : Real] -> [r : Boolean]
% r <- self <= o
function = [o : Real] -> [r : Boolean]
% r <- self = o
function != [o : Real] -> [r : Boolean]
% r <- self != o
function asString -> [r : String]
% s is set to a string with no leading 0's, decimal rep.
function asInteger -> [r : Integer]
% s is set to an integer (rounded)
function ~ -> [r : Real]
% r <- negate self
end RealType
function getSignature -> [result : Signature]
result <- RealType
end getSignature
function create [rep : String] -> [result : RealType]
result <- immutable object aReal
export +, -, *, /, >, >=, <, <=, =, !=, asString, asInteger, ~
function + [o : Real] -> [r : Real]
primitive 010 [r] <- [o]
end +
function - [o : Real] -> [r : Real]
primitive 110 [r] <- [o]
end -
function * [o : Real] -> [r : Real]
primitive 210 [r] <- [o]
end *
function / [o : Real] -> [r : Real]
primitive 310 [r] <- [o]
end /
function > [o : Real] -> [r : Boolean]
primitive 510 [r] <- [o]
end >
function >= [o : Real] -> [r : Boolean]
primitive 610 [r] <- [o]
end >=
function < [o : Real] -> [r : Boolean]
primitive 710 [r] <- [o]
end <
function <= [o : Real] -> [r : Boolean]
primitive 810 [r] <- [o]
end <=
function = [o : Real] -> [r : Boolean]
primitive 910 [r] <- [o]
end =
function != [o : Real] -> [r : Boolean]
primitive 1010 [r] <- [o]
end !=
function asString -> [r : String]
primitive 1110 [r] <- []
end asString
function asInteger -> [r : Integer]
primitive 1210 [r] <- []
end asInteger
function ~ -> [r : Real]
primitive 1310 [r] <- []
end ~
end aReal
end create
end _RealObject