fix sign-denormal conflict

ieee754/IEEE754.py

@@ -107,11 +107,11 @@ def validate_number(self, number: str) -> Decimal:
         denormalized_range = self.calculate_denormalized_range(
             self.__exponent, self.__mantissa
         )
-        if Decimal(number) < Decimal(denormalized_range[0]):
+        if Decimal(number).copy_abs() < Decimal(denormalized_range[0]):
             raise ValueError(
                 f"Number is too small, must be larger than {denormalized_range[0]}, we lost both exponent and mantissa, please increase precision."
             )
-        if Decimal(number) < Decimal(denormalized_range[1]):
+        if Decimal(number).copy_abs() < Decimal(denormalized_range[1]):
             raise ValueError(
                 f"Number is too small, must be larger than {denormalized_range[1]}, we lost exponent, please increase precision."
             )

setup.py

@@ -6,15 +6,15 @@
 setup(
     name="ieee754",
     packages=["ieee754"],
-    version="0.5",
+    version="0.6",
     license="MIT",
     description="A Python module which converts floating points numbers into IEEE-754 representation.",
     long_description=long_description,
     long_description_content_type="text/markdown",
     author="Bora Canbula",
     author_email="bora.canbula@cbu.edu.tr",
     url="https://github.com/canbula/ieee754",
-    download_url="https://github.com/canbula/ieee754/archive/refs/tags/v_05.tar.gz",
+    download_url="https://github.com/canbula/ieee754/archive/refs/tags/v_06.tar.gz",
     keywords=[
         "IEEE-754",
         "precisions",