From cc05e407c227261a055b9302286cccf2726ecdb3 Mon Sep 17 00:00:00 2001
From: Ed Hennis <ed@ripple.com>
Date: Mon, 1 Dec 2025 17:53:23 -0500
Subject: [PATCH] Force small mantissas in testAMM()

---
 src/test/jtx/impl/AMMTest.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/test/jtx/impl/AMMTest.cpp b/src/test/jtx/impl/AMMTest.cpp
index 3bdc8e041a..9e8c19012e 100644
--- a/src/test/jtx/impl/AMMTest.cpp
+++ b/src/test/jtx/impl/AMMTest.cpp
@@ -105,9 +105,15 @@ AMMTestBase::testAMM(
 
     for (auto const& features : arg.features)
     {
+        // Use small Number mantissas for the life of this test.
+        NumberMantissaScaleGuard const sg{ripple::MantissaRange::small};
+
+        // For now, just disable SAV entirely, which locks in the small Number
+        // mantissas
         Env env{
             *this,
-            features,
+            features - featureSingleAssetVault /* - featureLendingProtocol */
+            ,
             arg.noLog ? std::make_unique<CaptureLogs>(&logs) : nullptr};
 
         auto const [asset1, asset2] =