Add implementation error messages

TI-Toolkit · Nov 15, 2024 · 002e8ee · 002e8ee
1 parent 353d059
commit 002e8ee
Show file tree

Hide file tree

Showing 2 changed files with 4 additions and 4 deletions.
diff --git a/tivars/types/complex.py b/tivars/types/complex.py
@@ -405,7 +405,7 @@ class TIComplexRadical(ComplexEntry, register=True):
 
     @Loader[complex, float, int]
     def load_complex(self, comp: complex):
-        return NotImplemented
+        raise NotImplementedError("cannot determine exact representation from decimal approximation")
 
 
 class TIComplexPi(TIComplex, register=True):
@@ -425,7 +425,7 @@ class TIComplexPi(TIComplex, register=True):
 
     @Loader[complex, float, int]
     def load_complex(self, comp: complex):
-        return NotImplemented
+        raise NotImplementedError("decimal loading is ambiguous for pi types")
 
 
 class TIComplexPiFraction(TIComplexPi, TIComplexFraction, register=True):

diff --git a/tivars/types/real.py b/tivars/types/real.py
@@ -450,7 +450,7 @@ def sign(self) -> int:
 
     @Loader[Decimal]
     def load_decimal(self, decimal: Decimal):
-        raise NotImplementedError
+        raise NotImplementedError("cannot determine exact representation from decimal approximation")
 
     def decimal(self) -> Decimal:
         return (self.left_scalar * (-1 if self.sign_type % 2 else 1) * Decimal(self.left_radicand).sqrt() +
@@ -601,7 +601,7 @@ class TIRealPi(TIReal, register=True):
 
     @Loader[Decimal]
     def load_decimal(self, decimal: Decimal):
-        raise NotImplementedError
+        raise NotImplementedError("decimal loading is ambiguous for pi types")
 
     def decimal(self) -> Decimal:
         with localcontext() as ctx: