From: Jacob Lifshay <programmerjake@gmail.com>
Date: Thu, 28 Apr 2022 05:50:42 +0000 (-0700)
Subject: add FIXME comments
X-Git-Url: https://git.libre-soc.org/?p=soc.git;a=commitdiff_plain;h=b5d416df741e016d096d412ef2d310f3d21595ea

add FIXME comments
---

diff --git a/src/soc/fu/div/experiment/goldschmidt_div_sqrt.py b/src/soc/fu/div/experiment/goldschmidt_div_sqrt.py
index 055ff7c1..e17f64c7 100644
--- a/src/soc/fu/div/experiment/goldschmidt_div_sqrt.py
+++ b/src/soc/fu/div/experiment/goldschmidt_div_sqrt.py
@@ -1087,6 +1087,11 @@ def goldschmidt_sqrt_rsqrt_table(table_addr_bits, table_data_bits):
     # tuple for immutability
     return tuple(table)
 
+# FIXME: add code to calculate error bounds and check that the algorithm will
+# actually work (like in the goldschmidt division algorithm).
+# FIXME: add code to calculate a good set of parameters based on the error
+# bounds checking.
+
 
 def goldschmidt_sqrt_rsqrt(radicand, io_width, frac_wid, extra_precision,
                            table_addr_bits, table_data_bits, iter_count):