Make sure the qrtree structure is fully initialized in all cases

src/hqr.c

@@ -784,6 +784,7 @@ libhqr_initfct_hqr( libhqr_tree_t *qrtree,
 
     minMN = libhqr_imin(A->mt, A->nt);
 
+    memset( qrtree, 0, sizeof( libhqr_tree_t ) );
     qrtree->domino     = domino;
     qrtree->getnbgeqrf = hqr_getnbgeqrf;
     qrtree->getm       = hqr_getm;

src/svd.c

@@ -604,6 +604,7 @@ libhqr_initfct_svd( libhqr_tree_t *qrtree,
     p = libhqr_imax( p, 1 );
     minMN = libhqr_imin(A->mt, A->nt);
 
+    memset( qrtree, 0, sizeof( libhqr_tree_t ) );
     qrtree->getnbgeqrf = svd_getnbgeqrf;
     qrtree->getm       = svd_getm;
     qrtree->geti       = svd_geti;

src/systolic.c

@@ -392,6 +392,7 @@ libhqr_initfct_sys( libhqr_tree_t         *qrtree,
         return -5;
     }
 
+    memset( qrtree, 0, sizeof( libhqr_tree_t ) );
     qrtree->getnbgeqrf = systolic_getnbgeqrf;
     qrtree->getm       = systolic_getm;
     qrtree->geti       = systolic_geti;
@@ -405,9 +406,10 @@ libhqr_initfct_sys( libhqr_tree_t         *qrtree,
     qrtree->mt    = ( trans == LIBHQR_QR ) ? A->mt : A->nt;
     qrtree->nt    = libhqr_imin( A->mt, A->nt );
 
-    qrtree->a    = libhqr_imax( q, 1 );
-    qrtree->p    = libhqr_imax( p, 1 );
-    qrtree->args = NULL;
+    qrtree->a      = libhqr_imax( q, 1 );
+    qrtree->p      = libhqr_imax( p, 1 );
+    qrtree->domino = 0;
+    qrtree->args   = NULL;
 
     return 0;
 }

src/tphqr.c

@@ -109,6 +109,7 @@ libhqr_initmtx_tphqr( libhqr_tree_t         *qrtree,
         p = libhqr_imax( p, 1 );
     }
 
+    memset( qrtree, 0, sizeof( libhqr_tree_t ) );
     libhqr_rdmtx_initfct( qrtree );
     qrtree->init       = LIBHQR_QRTREE_MTX;
     qrtree->facto      = trans;

src/tshqr.c

@@ -60,6 +60,7 @@ libhqr_initmtx_tshqr( libhqr_tree_t         *qrtree,
         return -3;
     }
 
+    memset( qrtree, 0, sizeof( libhqr_tree_t ) );
     libhqr_rdmtx_initfct( qrtree );
     qrtree->init       = LIBHQR_QRTREE_MTX;
     qrtree->facto      = trans;