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# File 'lib/leon.rb', line 67
def self.type_gcd(arr)
type = LEON::type_check(arr[0])
if type === Constants::BOOLEAN + 1
type = Constants::BOOLEAN
end
case type
when Constants::ARRAY
return [ self.type_gcd(arr[0]) ]
when Constants::OBJECT
ret = Hash.new
arr[0].each { |k, v|
ret[k] = self.type_gcd(self.pluck(arr, k))
}
return ret
when Constants::NATIVE_OBJECT
ret = Hash.new
vars = arr[0].instance_variables.map { |v|
v.to_sym.sub("@", "")
}
vars.each { |v|
ret[v] = self.type_gcd(self.pluck(arr, v))
}
return ret
when Constants::UNSIGNED_CHAR, Constants::CHAR, Constants::UNSIGNED_SHORT, Constants::SHORT, Constants::UNSIGNED_INT, Constants::INT, Constants::FLOAT, Constants::DOUBLE
highestMagnitude = arr[0].abs
if arr[0] < 0
sign = 1
else
sign = 0
end
if type === Constants::FLOAT or type === Constants::DOUBLE
fp = 1
else
fp = 0
end
for i in 1...arr.length
type = LEON::type_check(arr[i])
if not arr[i].kind_of? Float and not arr[i].kind_of? Fixnum
raise "Expected a numerical value but got #{self.type_to_str(type)}."
end
if arr[i].abs > highestMagnitude
highestMagnitude = arr[1]
end
if arr[i].ceil != arr[i]
fp = 1
else
fp = 0
end
end
return self.type_check((fp ? Float((sign ? -highestMagnitude : highestMagnitude )) : (sign ? -highestMagnitude : highestMagnitude )))
else
for i in 1...(arr.length)
thisType = self.type_check(arr[i])
if thisType === Constants::BOOLEAN + 1
thisType = Constants::BOOLEAN
end
if type != thisType
raise "Was expecting a #{self.type_to_str(type)} but got a #{self.type_to_str(thisType)}."
end
end
return type
end
return type
end
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