Module: Astronoby::Util::Maths

Defined in:
lib/astronoby/util/maths.rb

Class Method Summary collapse

Class Method Details

.interpolate(values, factor) ⇒ Float

Returns Interpolated value.

Parameters:

  • values (Array<Numeric>) —

    First term

  • factor (Numeric) —

    Interpolation factor

Returns:

  • (Float) —

    Interpolated value

Raises:



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# File 'lib/astronoby/util/maths.rb', line 16

def interpolate(values, factor)
  unless factor.between?(0, 1)
    raise IncompatibleArgumentsError,
      "Interpolation factor must be between 0 and 1, got #{factor}"
  end

  if values.length == 3
    return interpolate_3_terms(values, factor)
  elsif values.length == 5
    return interpolate_5_terms(values, factor)
  end

  raise IncompatibleArgumentsError,
    "Only 3 or 5 terms are supported for interpolation"
end