BigMath

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Type:

Module

mathematical functions

Provides mathematical functions.

Example:

require "bigdecimal"
require "bigdecimal/math"

include BigMath

a = BigDecimal((PI(100)/2).to_s)
puts sin(a,100) # -> 0.10000000000000000000......E1

sin(x, prec) Instance Public methods Computes the sine of x to the specified

2015-03-31 09:58:10

BigMath.log(x, prec) Class Public methods Computes the natural logarithm of

2015-03-31 09:43:33

sqrt(x,prec) Instance Public methods Computes the square root of x to the specified

2015-03-31 10:00:27

PI(prec) Instance Public methods Computes the value of pi to the specified number

2015-03-31 09:46:37

atan(x, prec) Instance Public methods Computes the arctangent of x to the specified

2015-03-31 09:48:29

cos(x, prec) Instance Public methods Computes the cosine of x to the specified

2015-03-31 09:52:03

E(prec) Instance Public methods Computes e (the base of natural logarithms)

2015-03-31 09:44:30

BigMath.exp(x, prec) Class Public methods Computes the value of e (the base

2015-03-31 09:39:24

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