feat(parser): supports literal decimal numbers

1 files changed, 0 insertions, 28 deletions

diff --git a/lib/math/Calc.ex b/lib/math/Calc.ex
deleted file mode 100644
index 7dc5fcc..0000000
--- a/lib/math/Calc.ex
+++ /dev/null
@@ -1,28 +0,0 @@
-defmodule ElixirMathParser.Math.Calc do
-  alias ElixirMathParser.Math.Rational
-  def factorial(n), do: factorial_rec(n, 1)
-  defp factorial_rec(n, acc) when n > 0, do: factorial_rec(n - 1, acc * n)
-  defp factorial_rec(0, acc), do: acc
-
-  def pow(value, exponent), do: pow_rec(value, exponent, Rational.new(1))
-
-  defp pow_rec(value, exponent, acc) when is_integer(exponent) do
-    case exponent do
-      0 ->
-        acc
-
-      _ when exponent < 0 ->
-        pow_rec(Rational.new(1, value), -exponent, acc)
-
-      _ when Kernel.rem(exponent, 2) == 0 ->
-        pow_rec(Rational.mult(value, value), Kernel.div(exponent, 2), acc)
-
-      _ ->
-        pow_rec(
-          Rational.mult(value, value),
-          Kernel.div(exponent - 1, 2),
-          Rational.mult(acc, value)
-        )
-    end
-  end
-end