From 12958908db074a04fed4200e347802c16b3c0c01 Mon Sep 17 00:00:00 2001
From: raphael couturier <couturie@extinction>
Date: Sat, 16 Aug 2014 09:52:40 +0200
Subject: [PATCH] correct

---
 code/ex15.c |  8 ++++----
 code/ex49.c | 10 +++++-----
 2 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/code/ex15.c b/code/ex15.c
index f62763f..1fffcbe 100644
--- a/code/ex15.c
+++ b/code/ex15.c
@@ -56,7 +56,7 @@ int KrylovMinimize(Mat A, Vec b, Vec x) {
   //Variables
 
   PetscScalar  gamma, alpha, oldgamma, beta;
-  PetscReal norm=20, Eprecision=1e-8, cgprec=1e-40;     
+  PetscReal norm=20, Eprecision=1e-6, cgprec=1e-40;     
   PetscInt giter=0, ColS=12, col=0, Emaxiter=50000000, iter=0, iterations=15, Iiter=0;
   PetscErrorCode ierr;
   PetscScalar T1, T2;
@@ -233,7 +233,7 @@ int KrylovMinimizeLSQR(Mat A, Vec b, Vec x) {
   //Variables
 
   PetscScalar  alpha, beta;
-  PetscReal norm=20, Eprecision=1e-8, tol=1e-40;     
+  PetscReal norm=20, Eprecision=1e-6, tol=1e-40;     
   PetscInt giter=0, ColS=12, col=0, Emaxiter=50000000, iter=0, iterations=20, Iiter=0;
   PetscErrorCode ierr;
   PetscScalar T1, T2;
@@ -310,7 +310,7 @@ int KrylovMinimizeLSQR(Mat A, Vec b, Vec x) {
 
   //Initializations
   //  ierr = KSPGMRESSetRestart(ksp, 16); CHKERRQ(ierr);
-  ierr = KSPSetTolerances(ksp, 1e-10, 1e-10, PETSC_DEFAULT, 16); CHKERRQ(ierr);
+  ierr = KSPSetTolerances(ksp, 1e-13, 1e-13, PETSC_DEFAULT, 16); CHKERRQ(ierr);
   ierr = KSPSetInitialGuessNonzero(ksp, PETSC_TRUE); CHKERRQ(ierr);
 
 
@@ -572,7 +572,7 @@ int main(int argc,char **args)
        to set various options.
   */
   ierr = KSPGetPC(ksp,&pc);CHKERRQ(ierr);
-  ierr = KSPSetTolerances(ksp,1e-9,1e-9,PETSC_DEFAULT,5000000);CHKERRQ(ierr);
+  ierr = KSPSetTolerances(ksp,1e-7,1e-7,PETSC_DEFAULT,5000000);CHKERRQ(ierr);
 
   /*
     Set runtime options, e.g.,
diff --git a/code/ex49.c b/code/ex49.c
index 76f2067..260effb 100644
--- a/code/ex49.c
+++ b/code/ex49.c
@@ -88,7 +88,7 @@ int KrylovMinimize(Mat A, Vec b, Vec x) {
   //Variables
 
   PetscScalar  gamma, alpha, oldgamma, beta;
-  PetscReal norm=20, Eprecision=1e-8, cgprec=1e-40;     
+  PetscReal norm=20, Eprecision=1e-6, cgprec=1e-40;     
   PetscInt giter=0, ColS=8, col=0, Emaxiter=50000000, iter=0, iterations=15, Iiter=0;
   PetscErrorCode ierr;
   PetscScalar T1, T2;
@@ -265,7 +265,7 @@ int KrylovMinimizeLSQR(Mat A, Vec b, Vec x) {
   //Variables
 
   PetscScalar  alpha, beta;
-  PetscReal norm=20, Eprecision=1e-8, tol=1e-40;     
+  PetscReal norm=20, Eprecision=1e-6, tol=1e-40;     
   PetscInt giter=0, ColS=8, col=0, Emaxiter=50000000, iter=0, iterations=15, Iiter=0;
   PetscErrorCode ierr;
   PetscScalar T1, T2;
@@ -1464,12 +1464,12 @@ static PetscErrorCode solve_elasticity_2d(PetscInt mx,PetscInt my)
  ierr = KSPSetFromOptions(ksp_E);CHKERRQ(ierr);
 
    PetscScalar T1,T2;
-    ierr = KSPSetTolerances(ksp_E, 1e-9, 1e-9, PETSC_DEFAULT, 50000000); CHKERRQ(ierr);
-    /*    T1 = MPI_Wtime();
+    ierr = KSPSetTolerances(ksp_E, 1e-7, 1e-7, PETSC_DEFAULT, 50000000); CHKERRQ(ierr);
+    T1 = MPI_Wtime();
 
     ierr = KSPSolve(ksp_E,ff,XX);CHKERRQ(ierr);
     T2 = MPI_Wtime();
-     */
+    
     Mat A;
     Vec sol;
     PetscScalar norm;
-- 
2.39.5