In phase fixed a bug in calculation of gap_0

proxtoolbox/Problems/Phase/phase.py

@@ -173,16 +173,27 @@ class Phase(Problem):
             proj2 = self.config['proxoperators'][1](self.config)
             u_2 = proj2.work(u_1);
 
+        print(norm(self.config['u_0']))
+        print(norm(u_1))
+        print(norm(u_2))
+        print(norm(u_1-u_2))
+        print(self.config['norm_rt_data'])
+        #print(nonzero(u_1))
+        print(u_1[51,55]);
+        print(size(self.config['support_idx'][1]))
+        print(u_2[51,55])
+        print(proj2)
+
         # estimate the gap in the relevant metric
         if self.config['Nx'] ==1 or self.config['Ny']==1 :
             tmp_gap = square(norm(u_1-u_2)/self.config['norm_rt_data']);
         elif self.config['product_space_dimension'] == 1:
-            tmp_gap = (norm(u_1-u_2)/square(self.config['norm_rt_data']));
+            tmp_gap = (norm(u_1-u_2)/self.config['norm_rt_data'])**2
         else:
             tmp_gap=0;
             for j in range(self.config['product_space_dimension']):
                 # compute (||P_Sx-P_Mx||/normM)^2:
-                tmp_gap = tmp_gap+(norm(u_1[:,:,j]-u_2[:,:,j])/square(self.config['norm_rt_data']));
+                tmp_gap = tmp_gap+(norm(u_1[:,:,j]-u_2[:,:,j])/self.config['norm_rt_data'])**2
         
         gap_0=sqrt(tmp_gap);
         print(gap_0)