From 9b35c115bd5f16e020718de67a961252ecec51fc Mon Sep 17 00:00:00 2001
From: Matthew Fernandez <matthew.fernandez@gmail.com>
Date: Wed, 16 Jun 2021 17:54:23 -0700
Subject: [PATCH] remove unused flag argument to cg

---
 lib/sfdpgen/post_process.c | 2 +-
 lib/sfdpgen/sparse_solve.c | 4 ++--
 lib/sfdpgen/sparse_solve.h | 2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/lib/sfdpgen/post_process.c b/lib/sfdpgen/post_process.c
index a3a5ba0d0..66d914642 100644
--- a/lib/sfdpgen/post_process.c
+++ b/lib/sfdpgen/post_process.c
@@ -585,7 +585,7 @@ static real uniform_stress_solve(SparseMatrix Lw, real alpha, int dim, real *x0,
   Ax = Operator_uniform_stress_matmul(Lw, alpha);
   Precon = Operator_uniform_stress_diag_precon_new(Lw, alpha);
 
-  return cg(Ax, Precon, Lw->m, dim, x0, rhs, tol, maxit, flag);
+  return cg(Ax, Precon, Lw->m, dim, x0, rhs, tol, maxit);
 
 }
 
diff --git a/lib/sfdpgen/sparse_solve.c b/lib/sfdpgen/sparse_solve.c
index 582956fb3..dbe1873a9 100644
--- a/lib/sfdpgen/sparse_solve.c
+++ b/lib/sfdpgen/sparse_solve.c
@@ -216,7 +216,7 @@ static real conjugate_gradient(Operator A, Operator precon, int n, real *x, real
   return res;
 }
 
-real cg(Operator Ax, Operator precond, int n, int dim, real *x0, real *rhs, real tol, int maxit, int *flag){
+real cg(Operator Ax, Operator precond, int n, int dim, real *x0, real *rhs, real tol, int maxit){
   real *x, *b, res = 0;
   int k, i;
   x = N_GNEW(n, real);
@@ -295,7 +295,7 @@ real SparseMatrix_solve(SparseMatrix A, int dim, real *x0, real *rhs, real tol,
   case SOLVE_METHOD_CG:
     Ax =  Operator_matmul_new(A);
     precond = Operator_diag_precon_new(A);
-    res = cg(Ax, precond, n, dim, x0, rhs, tol, maxit, flag);
+    res = cg(Ax, precond, n, dim, x0, rhs, tol, maxit);
     Operator_matmul_delete(Ax);
     Operator_diag_precon_delete(precond);
     break;
diff --git a/lib/sfdpgen/sparse_solve.h b/lib/sfdpgen/sparse_solve.h
index cd4580bd2..a29c25223 100644
--- a/lib/sfdpgen/sparse_solve.h
+++ b/lib/sfdpgen/sparse_solve.h
@@ -23,7 +23,7 @@ struct Operator_struct {
   real* (*Operator_apply)(Operator o, real *in, real *out);
 };
 
-real cg(Operator Ax, Operator precond, int n, int dim, real *x0, real *rhs, real tol, int maxit, int *flag);
+real cg(Operator Ax, Operator precond, int n, int dim, real *x0, real *rhs, real tol, int maxit);
 
 real SparseMatrix_solve(SparseMatrix A, int dim, real *x0, real *rhs, real tol, int maxit, int method, int *flag);
 
-- 
2.40.0