Add aspect ratio node

__init__.py

@@ -5,7 +5,7 @@ from .nodes_math import (
     MathFloor, MathCeil, MathRound, MathModulo, MathAbs, MathSqrt,
     MathSin, MathCos, MathTan, MathMin, MathMax, MathClamp,
     MathNumberConvert, StringToNumber, NumberToString, MathCompare,
-    MathOperation
+    MathOperation, MathAspectRatio
 )
 from .nodes_logic import (
     LogicIF, LogicAND, LogicOR, LogicNOT, LogicXOR
@@ -37,6 +37,7 @@ class LogicMathExtension(ComfyExtension):
             NumberToString,
             MathCompare,
             MathOperation,
+            MathAspectRatio,
             LogicIF,
             LogicAND,
             LogicOR,

nodes_math.py

@@ -542,3 +542,27 @@ class MathOperation(io.ComfyNode):
         else:
             res = 0
         return io.NodeOutput(res)
+
+class MathAspectRatio(io.ComfyNode):
+    """Calculates the simplified aspect ratio integers from width and height."""
+
+    @classmethod
+    def define_schema(cls):
+        return io.Schema(
+            node_id="MathAspectRatio",
+            display_name="Aspect Ratio",
+            category="utils/math",
+            inputs=[
+                io.Int.Input("width", default=1920, min=1),
+                io.Int.Input("height", default=1080, min=1)
+            ],
+            outputs=[
+                io.Int.Output(id="ratio_width", display_name="ratio_width"),
+                io.Int.Output(id="ratio_height", display_name="ratio_height")
+            ],
+        )
+
+    @classmethod
+    def execute(cls, width: int, height: int) -> io.NodeOutput:
+        gcd = math.gcd(width, height)
+        return io.NodeOutput(width // gcd, height // gcd)