Class: Numeric

Inherits:
Object
  • Object
show all
Defined in:
lib/Dobjects/Numeric_extras.rb,
ext/Tioga/FigureMaker/generic.c

Overview

add some Numeric methods

Direct Known Subclasses

Integer

Instance Method Summary collapse

Instance Method Details

#acos ⇒ Object

Math functions



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# File 'lib/Dobjects/Numeric_extras.rb', line 9

def acos
    Math.acos(self)
end

#acosh ⇒ Object 



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# File 'lib/Dobjects/Numeric_extras.rb', line 13

def acosh
    Math.acosh(self)
end

#as_exponent_of(y) ⇒ Object 



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# File 'lib/Dobjects/Numeric_extras.rb', line 101

def as_exponent_of(y)
    y**self
end

#asin ⇒ Object 



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# File 'lib/Dobjects/Numeric_extras.rb', line 17

def asin
    Math.asin(self)
end

#asinh ⇒ Object 



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# File 'lib/Dobjects/Numeric_extras.rb', line 21

def asinh
    Math.asinh(self)
end

#atan ⇒ Object 



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# File 'lib/Dobjects/Numeric_extras.rb', line 25

def atan
    Math.atan(self)
end

#atan2(n) ⇒ Object 



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# File 'lib/Dobjects/Numeric_extras.rb', line 33

def atan2(n)
    Math.atan2(self,n)
end

#atanh ⇒ Object 



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# File 'lib/Dobjects/Numeric_extras.rb', line 29

def atanh
    Math.atanh(self)
end

#cos ⇒ Object 



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# File 'lib/Dobjects/Numeric_extras.rb', line 37

def cos
    Math.cos(self)
end

#cosh ⇒ Object 



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# File 'lib/Dobjects/Numeric_extras.rb', line 41

def cosh
    Math.cosh(self)
end

#exp ⇒ Object 



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# File 'lib/Dobjects/Numeric_extras.rb', line 45

def exp
    Math.exp(self)
end

#exp10 ⇒ Object 



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# File 'lib/Dobjects/Numeric_extras.rb', line 81

def exp10
    10**self
end

#inv ⇒ Object 



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# File 'lib/Dobjects/Numeric_extras.rb', line 85

def inv
    1/self
end

#log ⇒ Object 



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# File 'lib/Dobjects/Numeric_extras.rb', line 49

def log
    Math.log(self)
end

#log10 ⇒ Object 



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# File 'lib/Dobjects/Numeric_extras.rb', line 53

def log10
    Math.log10(self)
end

#mod(y) ⇒ Object 



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# File 'lib/Dobjects/Numeric_extras.rb', line 129

def mod(y)
    self.modulo(y)
end

#neg ⇒ Object 



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# File 'lib/Dobjects/Numeric_extras.rb', line 77

def neg
    -self
end

#pow(y) ⇒ Object 



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# File 'lib/Dobjects/Numeric_extras.rb', line 93

def pow(y)
    self**y
end

#raised_to(y) ⇒ Object 



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# File 'lib/Dobjects/Numeric_extras.rb', line 97

def raised_to(y)
    self**y
end

#safe_acos ⇒ Object 



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# File 'lib/Dobjects/Numeric_extras.rb', line 125

def safe_acos
    ((self > 1.0)? 1.0 : (self < -1.0)? -1.0 : self).acos
end

#safe_asin ⇒ Object 



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# File 'lib/Dobjects/Numeric_extras.rb', line 121

def safe_asin
    ((self > 1.0)? 1.0 : (self < -1.0)? -1.0 : self).asin
end

#safe_inv(cutoff = 1e-99) ⇒ Object 



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# File 'lib/Dobjects/Numeric_extras.rb', line 113

def safe_inv(cutoff=1e-99)
    (self.abs > cutoff)? 1/self : (self > 0)? 1/cutoff : -1/cutoff
end

#safe_log(cutoff = 1e-99) ⇒ Object 



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# File 'lib/Dobjects/Numeric_extras.rb', line 105

def safe_log(cutoff=1e-99)
    ((self > cutoff)? self : cutoff).log
end

#safe_log10(cutoff = 1e-99) ⇒ Object 



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# File 'lib/Dobjects/Numeric_extras.rb', line 109

def safe_log10(cutoff=1e-99)
    ((self > cutoff)? self : cutoff).log10
end

#safe_sqrt ⇒ Object 



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# File 'lib/Dobjects/Numeric_extras.rb', line 117

def safe_sqrt
    (self > 0.0)? self.sqrt : 0.0
end

#sin ⇒ Object 



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# File 'lib/Dobjects/Numeric_extras.rb', line 57

def sin
    Math.sin(self)
end

#sinh ⇒ Object 



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# File 'lib/Dobjects/Numeric_extras.rb', line 61

def sinh
    Math.sinh(self)
end

#sqrt ⇒ Object 



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# File 'lib/Dobjects/Numeric_extras.rb', line 65

def sqrt
    Math.sqrt(self)
end

#tan ⇒ Object 



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# File 'lib/Dobjects/Numeric_extras.rb', line 69

def tan
    Math.tan(self)
end

#tanh ⇒ Object 



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# File 'lib/Dobjects/Numeric_extras.rb', line 73

def tanh
    Math.tanh(self)
end

#trim(cutoff = 1e-6) ⇒ Object 



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# File 'lib/Dobjects/Numeric_extras.rb', line 89

def trim(cutoff=1e-6)
    (self.abs < cutoff)? 0.0 : self
end