From a73f3bf6e421f4858eeaf09fc984a1dbacda39a3 Mon Sep 17 00:00:00 2001
From: Marc Pfetsch <pfetsch@mathematik.tu-darmstadt.de>
Date: Thu, 3 Oct 2024 18:16:06 +0200
Subject: [PATCH] allow to call SCIPdelCons() in transformed stage

---
 CHANGELOG            | 1 +
 src/scip/scip_prob.c | 3 ++-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG b/CHANGELOG
index 4a022d8f22..cc23091d83 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -29,6 +29,7 @@ Interface changes
 
 - added SCIPtpiIsAvailable() to check whether a working task processing interface is available (TPI != none)
 - added SCIPtpiGetLibraryName() and SCIPtpiGetLibraryDesc()
+- SCIPdelCons() can now also be called in SCIP_STAGE_TRANSFORMED
 
 ### Command line interface
 ### Interfaces to external software
diff --git a/src/scip/scip_prob.c b/src/scip/scip_prob.c
index 130310eaf9..51fa7cba2f 100644
--- a/src/scip/scip_prob.c
+++ b/src/scip/scip_prob.c
@@ -2847,7 +2847,7 @@ SCIP_RETCODE SCIPdelCons(
 {
    assert(cons != NULL);
 
-   SCIP_CALL( SCIPcheckStage(scip, "SCIPdelCons", FALSE, TRUE, FALSE, FALSE, TRUE, TRUE, TRUE, FALSE, TRUE, TRUE, FALSE, TRUE, FALSE, FALSE) );
+   SCIP_CALL( SCIPcheckStage(scip, "SCIPdelCons", FALSE, TRUE, FALSE, TRUE, TRUE, TRUE, TRUE, FALSE, TRUE, TRUE, FALSE, TRUE, FALSE, FALSE) );
 
    switch( scip->set->stage )
    {
@@ -2859,6 +2859,7 @@ SCIP_RETCODE SCIPdelCons(
       /* only added constraints can be removed in (de-)initialization process of presolving, otherwise the reduction
        * might be wrong
        */
+   case SCIP_STAGE_TRANSFORMED:
    case SCIP_STAGE_INITPRESOLVE:
    case SCIP_STAGE_EXITPRESOLVE:
       assert(SCIPconsIsAdded(cons));