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# Numeric_extras.rb
# add some Numeric methods
class Numeric
# Math functions
def acos
Math.acos(self)
end
def acosh
Math.acosh(self)
end
def asin
Math.asin(self)
end
def asinh
Math.asinh(self)
end
def atan
Math.atan(self)
end
def atanh
Math.atanh(self)
end
def atan2(n)
Math.atan2(self,n)
end
def cos
Math.cos(self)
end
def cosh
Math.cosh(self)
end
def exp
Math.exp(self)
end
def log
Math.log(self)
end
def log10
Math.log10(self)
end
def sin
Math.sin(self)
end
def sinh
Math.sinh(self)
end
def sqrt
Math.sqrt(self)
end
def tan
Math.tan(self)
end
def tanh
Math.tanh(self)
end
def neg
-self
end
def exp10
10**self
end
def inv
1/self
end
def trim(cutoff=1e-6)
(self.abs < cutoff)? 0.0 : self
end
def pow(y)
self**y
end
def raised_to(y)
self**y
end
def as_exponent_of(y)
y**self
end
def safe_log(cutoff=1e-99)
((self > cutoff)? self : cutoff).log
end
def safe_log10(cutoff=1e-99)
((self > cutoff)? self : cutoff).log10
end
def safe_inv(cutoff=1e-99)
(self.abs > cutoff)? 1/self : (self > 0)? 1/cutoff : -1/cutoff
end
def safe_sqrt
(self > 0.0)? self.sqrt : 0.0
end
def safe_asin
((self > 1.0)? 1.0 : (self < -1.0)? -1.0 : self).asin
end
def safe_acos
((self > 1.0)? 1.0 : (self < -1.0)? -1.0 : self).acos
end
def mod(y)
self.modulo(y)
end
end
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