From a9c011099b9e5fcf66dde8f4ceb87ac90838aa7b Mon Sep 17 00:00:00 2001
From: Arun Isaac
Date: Tue, 24 Jan 2023 18:59:24 +0000
Subject: search: Use decimals, not floats, when converting to megabases.

* gn3/api/search.py (parse_location_field): Use decimals, not floats, when
converting to megabases.
---
 gn3/api/search.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gn3/api/search.py b/gn3/api/search.py
index 328baf5..aa844ee 100644
--- a/gn3/api/search.py
+++ b/gn3/api/search.py
@@ -176,7 +176,7 @@ def parse_location_field(species_query: xapian.Query,
 
     def make_query(interval: ChromosomalInterval) -> xapian.Query:
         # TODO: Convert the xapian index to use bases instead of megabases.
-        to_megabases = lambda x: str(float(x)/1e6)
+        to_megabases = lambda x: str(Decimal(x)/10**6)
         return combine_queries(xapian.Query.OP_AND,
                                species_query,
                                xapian.Query(chromosome_prefix + interval.chromosome),
-- 
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