add docstring Mul8_16_32_64 only for testing

diff --git a/src/ieee754/part_mul_add/multiply.py b/src/ieee754/part_mul_add/multiply.py
index 89e4c4d322782ff1e16b2e88646405d6dcce0bd3..215d18c6a1aacce049dd74c6331437c2e74e5853 100644 (file)
--- a/src/ieee754/part_mul_add/multiply.py
+++ b/src/ieee754/part_mul_add/multiply.py
@@ -1312,6 +1312,8 @@ class Intermediates(PipeModBase):
 class Mul8_16_32_64(Elaboratable):
     """Signed/Unsigned 8/16/32/64-bit partitioned integer multiplier.
 
+    XXX NOTE: this class is intended for unit test purposes ONLY.
+
     Supports partitioning into any combination of 8, 16, 32, and 64-bit
     partitions on naturally-aligned boundaries. Supports the operation being
     set for each partition independently.