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-rw-r--r--lib/math/calc.ex (renamed from lib/math/Calc.ex)0
-rw-r--r--lib/math/conversion.ex18
2 files changed, 18 insertions, 0 deletions
diff --git a/lib/math/Calc.ex b/lib/math/calc.ex
index 7dc5fcc..7dc5fcc 100644
--- a/lib/math/Calc.ex
+++ b/lib/math/calc.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