/[escript]/trunk/escript/py_src/pdetools.py
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revision 1557 by artak, Mon May 19 04:44:27 2008 UTC revision 1567 by ksteube, Thu May 22 22:52:41 2008 UTC
# Line 474  class IterationHistory(object): Line 474  class IterationHistory(object):
474    
475         """         """
476         self.history.append(norm_r)         self.history.append(norm_r)
477         if self.verbose: print "iter: #s:  inner(rhat,r) = #e"#(len(self.history)-1, self.history[-1])         if self.verbose: print "iter: %s:  inner(rhat,r) = %e"#(len(self.history)-1, self.history[-1])
478         return self.history[-1]<=self.tolerance * self.history[0]         return self.history[-1]<=self.tolerance * self.history[0]
479    
480     def stoppingcriterium2(self,norm_r,norm_b,solver="GMRES",TOL=None):     def stoppingcriterium2(self,norm_r,norm_b,solver="GMRES",TOL=None):
# Line 493  class IterationHistory(object): Line 493  class IterationHistory(object):
493         if TOL==None:         if TOL==None:
494            TOL=self.tolerance            TOL=self.tolerance
495         self.history.append(norm_r)         self.history.append(norm_r)
496         if self.verbose: print "iter: #s:  norm(r) = #e"#(len(self.history)-1, self.history[-1])         if self.verbose: print "iter: %s:  norm(r) = %e"#(len(self.history)-1, self.history[-1])
497         return self.history[-1]<=TOL * norm_b         return self.history[-1]<=TOL * norm_b
498    
499  def PCG(b, Aprod, Msolve, bilinearform, stoppingcriterium, x=None, iter_max=100):  def PCG(b, Aprod, Msolve, bilinearform, stoppingcriterium, x=None, iter_max=100):
# Line 1604  class SaddlePointProblem(object): Line 1604  class SaddlePointProblem(object):
1604         @param text: a text message         @param text: a text message
1605         @type text: C{str}         @type text: C{str}
1606         """         """
1607         if self.__verbose: print "#s: #s"%(str(self),text)         if self.__verbose: print "%s: %s"%(str(self),text)
1608    
1609     def solve_f(self,u,p,tol=1.e-8):     def solve_f(self,u,p,tol=1.e-8):
1610         """         """

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