Merge pull request #43 from isi-usc-edu/42-indexerror-when-intializing-doublefactorized-block-encoding

fixes #42 and increases version

Author: rroodll

src/pyLIQTR/BlockEncodings/DoubleFactorized.py

@@ -103,7 +103,7 @@ def __init__(self,ProblemInstance,df_error_threshold:float=1e-3,sf_error_thresho
     @cached_property
     def alpha(self):
         """returns the double factorized Hamiltonian norm."""
-        return self.PI.get_alpha(encoding='DF',df_cutoffs=self.Xi_l_data)
+        return self.PI.get_alpha(encoding='DF',sf_error_threshold=self.sf_error_threshold,df_cutoffs=self.Xi_l_data)
 
     @cached_property
     def control_registers(self) -> Tuple[Register]:

src/pyLIQTR/BlockEncodings/tests/test_DoubleFactorized.py

@@ -93,6 +93,13 @@ def h2_instance(self):
     def df_encoding(self, h2_instance):
         return getEncoding(instance=h2_instance, encoding=VALID_ENCODINGS.DoubleFactorized,df_error_threshold=1e-2,br=4,step_error=1e-1)
 
+    def test_DoubleFactorized_alpha(self, h2_instance):
+        '''
+        Tests alpha is calculated without raising errors.
+        '''
+        encoding = getEncoding(instance=h2_instance, encoding=VALID_ENCODINGS.DoubleFactorized,df_error_threshold=1e-2,br=4, sf_error_threshold=1e-2)
+        norm = encoding.alpha
+    
     def test_DoubleFactorized_decomposes(self, df_encoding):
         '''
         Tests gate decomposition existence.

src/pyLIQTR/_version.py

@@ -1 +1 @@
-__version__ = "1.3.5"
+__version__ = "1.3.6"