added some comments to the multiplication

eclipse-qrisp · Jan 5, 2025 · 461a3eb · 461a3eb
1 parent a7797e1
commit 461a3eb
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/src/qrisp/alg_primitives/arithmetic/jasp_arithmetic/jasp_multiplyers.py b/src/qrisp/alg_primitives/arithmetic/jasp_arithmetic/jasp_multiplyers.py
@@ -54,9 +54,14 @@ def jasp_squaring(a, inpl_adder = gidney_adder):
 
     return s
 
-# @qache(static_argnames = "inpl_adder")
+@qache(static_argnames = "inpl_adder")
 def jasp_multiplyer(factor_1, factor_2, inpl_adder = gidney_adder):
 
+    # Executes the algorithm
+
+    # x*y = (x<<n - y_0*x - sum([x<<i*(-1)**y_i for i in range(1, len(x)+1)))
+    # https://arxiv.org/abs/2112.10537
+
     n = factor_1.size-1
     s = QuantumFloat(factor_1.size + factor_2.size, 
                      exponent = factor_1.exponent + factor_2.exponent)