From 0e13262db2e1e8a962a317a12f579c3633cb7276 Mon Sep 17 00:00:00 2001
From: Andreas Enge <andreas.enge@inria.fr>
Date: Tue, 4 Jul 2023 14:54:31 +0200
Subject: [PATCH] Let min_prime be at least 1.
This makes stuck cases fail faster.
* lib/ecpp.c (find_ecpp_discriminant): Keep min_prime at 1.0 after one
failed round.
---
lib/ecpp.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/lib/ecpp.c b/lib/ecpp.c
index 0a34b93..f3e2c1d 100644
--- a/lib/ecpp.c
+++ b/lib/ecpp.c
@@ -1247,12 +1247,8 @@ static int_cl_t find_ecpp_discriminant (mpz_ptr n, mpz_ptr l, mpz_srcptr N,
the class numbers have become quite high, and that the expected
number of curve cardinalities per discriminant quite low; so we
should lower our expectations. */
- if (min_prime == 3.0)
+ if (min_prime > 1.0)
min_prime = 1.0;
- else if (min_prime == 1.0)
- min_prime = 0.5;
- else
- min_prime = 0.25;
}
#ifdef WITH_MPI
--
GitLab