Fix: Parameters: Constant eq float error

src/faebryk/library/Constant.py

@@ -3,6 +3,8 @@
 
 from typing import Self, SupportsAbs
 
+import numpy as np
+
 from faebryk.core.parameter import Parameter, _resolved
 from faebryk.libs.units import Quantity
 
@@ -32,6 +34,11 @@ def __eq__(self, other) -> bool:
         if not isinstance(other, Constant):
             return False
 
+        try:
+            return np.allclose(self.value, other.value)
+        except (TypeError, np.exceptions.DTypePromotionError):
+            ...
+
         return self.value == other.value
 
     def __hash__(self) -> int:

test/core/test_parameters.py

@@ -359,6 +359,9 @@ def __preinit__(self) -> None:
             r = r.get_most_narrow()
             self.assertIsInstance(r, Range, f"{type(r)}")
 
+    def test_units(self):
+        self.assertEqual(Constant(1e-9 * P.F), 1 * P.nF)
+
 
 if __name__ == "__main__":
     unittest.main()