From 96299cbf09bdb75e4d6c6849c9c4c3ce000a6fc5 Mon Sep 17 00:00:00 2001
From: Anhgelus Morhtuuzh <william@herges.fr>
Date: Mon, 10 Nov 2025 12:27:21 +0100
Subject: feat(parser): supports literal decimal numbers

---
 lib/math/conversion.ex | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 lib/math/conversion.ex

(limited to 'lib/math/conversion.ex')

diff --git a/lib/math/conversion.ex b/lib/math/conversion.ex
new file mode 100644
index 0000000..65ddf8f
--- /dev/null
+++ b/lib/math/conversion.ex
@@ -0,0 +1,18 @@
+defmodule ElixirMathParser.Math.Conversion do
+  alias ElixirMathParser.Math.Rational
+
+  def literal_float_to_rational(value) do
+    {int, dec} = Integer.parse(value)
+
+    String.graphemes(dec)
+    |> Enum.reduce(Rational.new(int), fn v, acc ->
+      if v != "." do
+        num = Rational.numerator(acc) * 10
+        den = Rational.denominator(acc) * 10
+        Rational.new(num + String.to_integer(v), den)
+      else
+        acc
+      end
+    end)
+  end
+end
-- 
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