Sha256: 9b0d396ab1ac568825edfe959b99773946dc6d477ae1ff5573f7a20ec3cb7ba1
Contents?: true
Size: 629 Bytes
Versions: 8
Compression:
Stored size: 629 Bytes
Contents
class Numeric
#
# +rrand(upper)+: random number generator
#
# returns a random number in the range receiver-upper bound
#
# If any of the numbers (the receiver +or+ the argument) are +Float+s
# the method will return a +Float+. If both arguments are integers then an
# +Integer+ will be returned.
#
# (this method is present in the SuperCollider sclang interpreter)
#
#:nodoc:
def rrand(upper)
lobound = self.to_f
rng = upper.to_f - lobound
(rand()*rng) + lobound
end
end
class Integer
def rrand(upper)
res = super(upper)
upper.is_a?(Integer) ? res.round : res
end
end
Version data entries
8 entries across 8 versions & 1 rubygems