Updates tests to use correct perturbation

pytests/pytests/fulltests/nonog_d_c-fb_16x8/test_nonog_d_c-fb_16x8.py

@@ -9,7 +9,7 @@ def perturb_solution(self, file, perturbation=1e-2):
         from numpy.random import uniform
         bbb = file['bbb']
         for var in ['nis', 'ups', 'tes', 'tis', 'ngs', 'tgs', 'phis']:
-            bbb[var][...] *= uniform(low=perturbation, high=perturbation, size = bbb[var].shape)
+            bbb[var][...] *= uniform(low=1-perturbation, high=1+perturbation, size = bbb[var].shape)
 
     def test_reference(self, epsilon=1e-8):
         from h5py import File

pytests/pytests/fulltests/nonog_d_c-fb_32x16/test_nonog_d_c-fb_32x16.py

@@ -9,7 +9,7 @@ def perturb_solution(self, file, perturbation=1e-2):
         from numpy.random import uniform
         bbb = file['bbb']
         for var in ['nis', 'ups', 'tes', 'tis', 'ngs', 'tgs', 'phis']:
-            bbb[var][...] *= uniform(low=perturbation, high=perturbation, size = bbb[var].shape)
+            bbb[var][...] *= uniform(low=1-perturbation, high=1+perturbation, size = bbb[var].shape)
 
     def test_reference(self, epsilon=1e-8):
         from h5py import File

pytests/pytests/fulltests/nonog_d_c-fb_64x32/test_nonog_d_c-fb_64x32.py

@@ -9,7 +9,7 @@ def perturb_solution(self, file, perturbation=1e-2):
         from numpy.random import uniform
         bbb = file['bbb']
         for var in ['nis', 'ups', 'tes', 'tis', 'ngs', 'tgs', 'phis']:
-            bbb[var][...] *= uniform(low=perturbation, high=perturbation, size = bbb[var].shape)
+            bbb[var][...] *= uniform(low=1-perturbation, high=1+perturbation, size = bbb[var].shape)
 
     def test_reference(self, epsilon=1e-8):
         from h5py import File

pytests/pytests/unittests/D_only/nonog/0p5albedoc/test_nonog_0p5albedoc.py

@@ -9,7 +9,7 @@ def perturb_solution(self, file, perturbation=1e-2):
         from numpy.random import uniform
         bbb = file['bbb']
         for var in ['nis', 'ups', 'tes', 'tis', 'ngs', 'tgs', 'phis']:
-            bbb[var][...] *= uniform(low=perturbation, high=perturbation, size = bbb[var].shape)
+            bbb[var][...] *= uniform(low=1-perturbation, high=1+perturbation, size = bbb[var].shape)
 
     def test_reference(self, epsilon=1e-8):
         from h5py import File

pytests/pytests/unittests/D_only/nonog/bcee/test_nonog_bcee.py

@@ -9,7 +9,7 @@ def perturb_solution(self, file, perturbation=1e-2):
         from numpy.random import uniform
         bbb = file['bbb']
         for var in ['nis', 'ups', 'tes', 'tis', 'ngs', 'tgs', 'phis']:
-            bbb[var][...] *= uniform(low=perturbation, high=perturbation, size = bbb[var].shape)
+            bbb[var][...] *= uniform(low=1-perturbation, high=1+perturbation, size = bbb[var].shape)
 
     def test_reference(self, epsilon=1e-8):
         from h5py import File

pytests/pytests/unittests/D_only/nonog/bcei/test_nonog_bcei.py

@@ -9,7 +9,7 @@ def perturb_solution(self, file, perturbation=1e-2):
         from numpy.random import uniform
         bbb = file['bbb']
         for var in ['nis', 'ups', 'tes', 'tis', 'ngs', 'tgs', 'phis']:
-            bbb[var][...] *= uniform(low=perturbation, high=perturbation, size = bbb[var].shape)
+            bbb[var][...] *= uniform(low=1-perturbation, high=1+perturbation, size = bbb[var].shape)
 
     def test_reference(self, epsilon=1e-8):
         from h5py import File

pytests/pytests/unittests/D_only/nonog/core_nogradient/test_nonog_core_nogradient.py

@@ -9,7 +9,7 @@ def perturb_solution(self, file, perturbation=1e-2):
         from numpy.random import uniform
         bbb = file['bbb']
         for var in ['nis', 'ups', 'tes', 'tis', 'ngs', 'tgs', 'phis']:
-            bbb[var][...] *= uniform(low=perturbation, high=perturbation, size = bbb[var].shape)
+            bbb[var][...] *= uniform(low=1-perturbation, high=1+perturbation, size = bbb[var].shape)
 
     def test_reference(self, epsilon=1e-8):
         from h5py import File

pytests/pytests/unittests/D_only/nonog/corepower/test_nonog_corepower.py

@@ -9,7 +9,7 @@ def perturb_solution(self, file, perturbation=1e-2):
         from numpy.random import uniform
         bbb = file['bbb']
         for var in ['nis', 'ups', 'tes', 'tis', 'ngs', 'tgs', 'phis']:
-            bbb[var][...] *= uniform(low=perturbation, high=perturbation, size = bbb[var].shape)
+            bbb[var][...] *= uniform(low=1-perturbation, high=1+perturbation, size = bbb[var].shape)
 
     def test_reference(self, epsilon=1e-8):
         from h5py import File

pytests/pytests/unittests/D_only/nonog/curcore/test_nonog_curcore.py

@@ -9,7 +9,7 @@ def perturb_solution(self, file, perturbation=1e-2):
         from numpy.random import uniform
         bbb = file['bbb']
         for var in ['nis', 'ups', 'tes', 'tis', 'ngs', 'tgs', 'phis']:
-            bbb[var][...] *= uniform(low=perturbation, high=perturbation, size = bbb[var].shape)
+            bbb[var][...] *= uniform(low=1-perturbation, high=1+perturbation, size = bbb[var].shape)
 
     def test_reference(self, epsilon=1e-8):
         from h5py import File

pytests/pytests/unittests/D_only/nonog/curcore_0p5gaspump/test_nonog_curcore_0p5gaspump.py

@@ -9,7 +9,7 @@ def perturb_solution(self, file, perturbation=1e-2):
         from numpy.random import uniform
         bbb = file['bbb']
         for var in ['nis', 'ups', 'tes', 'tis', 'ngs', 'tgs', 'phis']:
-            bbb[var][...] *= uniform(low=perturbation, high=perturbation, size = bbb[var].shape)
+            bbb[var][...] *= uniform(low=1-perturbation, high=1+perturbation, size = bbb[var].shape)
 
     def test_reference(self, epsilon=1e-8):
         from h5py import File

pytests/pytests/unittests/D_only/nonog/curcore_gaspump/test_nonog_curcore_gaspump.py

@@ -9,7 +9,7 @@ def perturb_solution(self, file, perturbation=1e-2):
         from numpy.random import uniform
         bbb = file['bbb']
         for var in ['nis', 'ups', 'tes', 'tis', 'ngs', 'tgs', 'phis']:
-            bbb[var][...] *= uniform(low=perturbation, high=perturbation, size = bbb[var].shape)
+            bbb[var][...] *= uniform(low=1-perturbation, high=1+perturbation, size = bbb[var].shape)
 
     def test_reference(self, epsilon=1e-8):
         from h5py import File

pytests/pytests/unittests/D_only/nonog/default/test_nonog_default.py

@@ -9,7 +9,7 @@ def perturb_solution(self, file, perturbation=1e-2):
         from numpy.random import uniform
         bbb = file['bbb']
         for var in ['nis', 'ups', 'tes', 'tis', 'ngs', 'tgs', 'phis']:
-            bbb[var][...] *= uniform(low=perturbation, high=perturbation, size = bbb[var].shape)
+            bbb[var][...] *= uniform(low=1-perturbation, high=1+perturbation, size = bbb[var].shape)
 
     def test_reference(self, epsilon=1e-8):
         from h5py import File

pytests/pytests/unittests/D_only/nonog/fixedngcore/test_nonog_fixedngcore.py

@@ -9,7 +9,7 @@ def perturb_solution(self, file, perturbation=1e-2):
         from numpy.random import uniform
         bbb = file['bbb']
         for var in ['nis', 'ups', 'tes', 'tis', 'ngs', 'tgs', 'phis']:
-            bbb[var][...] *= uniform(low=perturbation, high=perturbation, size = bbb[var].shape)
+            bbb[var][...] *= uniform(low=1-perturbation, high=1+perturbation, size = bbb[var].shape)
 
     def test_reference(self, epsilon=1e-8):
         from h5py import File

pytests/pytests/unittests/D_only/nonog/fmiy0/test_nonog_fmiy0.py

@@ -9,7 +9,7 @@ def perturb_solution(self, file, perturbation=1e-2):
         from numpy.random import uniform
         bbb = file['bbb']
         for var in ['nis', 'ups', 'tes', 'tis', 'ngs', 'tgs', 'phis']:
-            bbb[var][...] *= uniform(low=perturbation, high=perturbation, size = bbb[var].shape)
+            bbb[var][...] *= uniform(low=1-perturbation, high=1+perturbation, size = bbb[var].shape)
 
     def test_reference(self, epsilon=1e-8):
         from h5py import File

pytests/pytests/unittests/D_only/nonog/lzflux1e2/test_nonog_lzflux1e2.py

@@ -9,7 +9,7 @@ def perturb_solution(self, file, perturbation=1e-2):
         from numpy.random import uniform
         bbb = file['bbb']
         for var in ['nis', 'ups', 'tes', 'tis', 'ngs', 'tgs', 'phis']:
-            bbb[var][...] *= uniform(low=perturbation, high=perturbation, size = bbb[var].shape)
+            bbb[var][...] *= uniform(low=1-perturbation, high=1+perturbation, size = bbb[var].shape)
 
     def test_reference(self, epsilon=1e-8):
         from h5py import File

pytests/pytests/unittests/D_only/nonog/newbcl/test_nonog_newbcl.py

@@ -9,7 +9,7 @@ def perturb_solution(self, file, perturbation=1e-2):
         from numpy.random import uniform
         bbb = file['bbb']
         for var in ['nis', 'ups', 'tes', 'tis', 'ngs', 'tgs', 'phis']:
-            bbb[var][...] *= uniform(low=perturbation, high=perturbation, size = bbb[var].shape)
+            bbb[var][...] *= uniform(low=1-perturbation, high=1+perturbation, size = bbb[var].shape)
 
     def test_reference(self, epsilon=1e-8):
         from h5py import File

pytests/pytests/unittests/D_only/nonog/newbcl_iskaplex/test_nonog_newbcl_iskaplex.py

@@ -9,7 +9,7 @@ def perturb_solution(self, file, perturbation=1e-2):
         from numpy.random import uniform
         bbb = file['bbb']
         for var in ['nis', 'ups', 'tes', 'tis', 'ngs', 'tgs', 'phis']:
-            bbb[var][...] *= uniform(low=perturbation, high=perturbation, size = bbb[var].shape)
+            bbb[var][...] *= uniform(low=1-perturbation, high=1+perturbation, size = bbb[var].shape)
 
     def test_reference(self, epsilon=1e-8):
         from h5py import File

pytests/pytests/unittests/D_only/nonog/newbcr/test_nonog_newbcr.py

@@ -9,7 +9,7 @@ def perturb_solution(self, file, perturbation=1e-2):
         from numpy.random import uniform
         bbb = file['bbb']
         for var in ['nis', 'ups', 'tes', 'tis', 'ngs', 'tgs', 'phis']:
-            bbb[var][...] *= uniform(low=perturbation, high=perturbation, size = bbb[var].shape)
+            bbb[var][...] *= uniform(low=1-perturbation, high=1+perturbation, size = bbb[var].shape)
 
     def test_reference(self, epsilon=1e-8):
         from h5py import File

pytests/pytests/unittests/D_only/nonog/newbcr_iskaplex/test_nonog_newbcr_iskaplex.py

@@ -9,7 +9,7 @@ def perturb_solution(self, file, perturbation=1e-2):
         from numpy.random import uniform
         bbb = file['bbb']
         for var in ['nis', 'ups', 'tes', 'tis', 'ngs', 'tgs', 'phis']:
-            bbb[var][...] *= uniform(low=perturbation, high=perturbation, size = bbb[var].shape)
+            bbb[var][...] *= uniform(low=1-perturbation, high=1+perturbation, size = bbb[var].shape)
 
     def test_reference(self, epsilon=1e-8):
         from h5py import File

pytests/pytests/unittests/D_only/nonog/ni_gradient_scalelength_0p5/test_nonog_ni_gradient_scalelength_0p5.py

@@ -9,7 +9,7 @@ def perturb_solution(self, file, perturbation=1e-2):
         from numpy.random import uniform
         bbb = file['bbb']
         for var in ['nis', 'ups', 'tes', 'tis', 'ngs', 'tgs', 'phis']:
-            bbb[var][...] *= uniform(low=perturbation, high=perturbation, size = bbb[var].shape)
+            bbb[var][...] *= uniform(low=1-perturbation, high=1+perturbation, size = bbb[var].shape)
 
     def test_reference(self, epsilon=1e-8):
         from h5py import File

pytests/pytests/unittests/D_only/nonog/ni_gradient_scalelength_1e20/test_nonog_ni_gradient_scalelength_1e20.py

@@ -9,7 +9,7 @@ def perturb_solution(self, file, perturbation=1e-2):
         from numpy.random import uniform
         bbb = file['bbb']
         for var in ['nis', 'ups', 'tes', 'tis', 'ngs', 'tgs', 'phis']:
-            bbb[var][...] *= uniform(low=perturbation, high=perturbation, size = bbb[var].shape)
+            bbb[var][...] *= uniform(low=1-perturbation, high=1+perturbation, size = bbb[var].shape)
 
     def test_reference(self, epsilon=1e-8):
         from h5py import File

pytests/pytests/unittests/D_only/nonog/recycmlb/test_nonog_recycmlb.py

@@ -9,7 +9,7 @@ def perturb_solution(self, file, perturbation=1e-2):
         from numpy.random import uniform
         bbb = file['bbb']
         for var in ['nis', 'ups', 'tes', 'tis', 'ngs', 'tgs', 'phis']:
-            bbb[var][...] *= uniform(low=perturbation, high=perturbation, size = bbb[var].shape)
+            bbb[var][...] *= uniform(low=1-perturbation, high=1+perturbation, size = bbb[var].shape)
 
     def test_reference(self, epsilon=1e-8):
         from h5py import File

pytests/pytests/unittests/D_only/nonog/recycmlb_nogradient/test_nonog_recycmlb_nogradient.py

@@ -9,7 +9,7 @@ def perturb_solution(self, file, perturbation=1e-2):
         from numpy.random import uniform
         bbb = file['bbb']
         for var in ['nis', 'ups', 'tes', 'tis', 'ngs', 'tgs', 'phis']:
-            bbb[var][...] *= uniform(low=perturbation, high=perturbation, size = bbb[var].shape)
+            bbb[var][...] *= uniform(low=1-perturbation, high=1+perturbation, size = bbb[var].shape)
 
     def test_reference(self, epsilon=1e-8):
         from h5py import File

pytests/pytests/unittests/D_only/nonog/recycmlb_therm_momflux/test_nonog_recycmlb_therm_momflux.py

@@ -9,7 +9,7 @@ def perturb_solution(self, file, perturbation=1e-2):
         from numpy.random import uniform
         bbb = file['bbb']
         for var in ['nis', 'ups', 'tes', 'tis', 'ngs', 'tgs', 'phis']:
-            bbb[var][...] *= uniform(low=perturbation, high=perturbation, size = bbb[var].shape)
+            bbb[var][...] *= uniform(low=1-perturbation, high=1+perturbation, size = bbb[var].shape)
 
     def test_reference(self, epsilon=1e-8):
         from h5py import File

pytests/pytests/unittests/D_only/nonog/recycmrb/test_nonog_recycmrb.py

@@ -9,7 +9,7 @@ def perturb_solution(self, file, perturbation=1e-2):
         from numpy.random import uniform
         bbb = file['bbb']
         for var in ['nis', 'ups', 'tes', 'tis', 'ngs', 'tgs', 'phis']:
-            bbb[var][...] *= uniform(low=perturbation, high=perturbation, size = bbb[var].shape)
+            bbb[var][...] *= uniform(low=1-perturbation, high=1+perturbation, size = bbb[var].shape)
 
     def test_reference(self, epsilon=1e-8):
         from h5py import File

pytests/pytests/unittests/D_only/nonog/recycmrb_nogradient/test_nonog_recycmrb_nogradient.py

@@ -9,7 +9,7 @@ def perturb_solution(self, file, perturbation=1e-2):
         from numpy.random import uniform
         bbb = file['bbb']
         for var in ['nis', 'ups', 'tes', 'tis', 'ngs', 'tgs', 'phis']:
-            bbb[var][...] *= uniform(low=perturbation, high=perturbation, size = bbb[var].shape)
+            bbb[var][...] *= uniform(low=1-perturbation, high=1+perturbation, size = bbb[var].shape)
 
     def test_reference(self, epsilon=1e-8):
         from h5py import File

pytests/pytests/unittests/D_only/nonog/recycmrb_therm_momflux/test_nonog_recycmrb_therm_momflux.py

@@ -9,7 +9,7 @@ def perturb_solution(self, file, perturbation=1e-2):
         from numpy.random import uniform
         bbb = file['bbb']
         for var in ['nis', 'ups', 'tes', 'tis', 'ngs', 'tgs', 'phis']:
-            bbb[var][...] *= uniform(low=perturbation, high=perturbation, size = bbb[var].shape)
+            bbb[var][...] *= uniform(low=1-perturbation, high=1+perturbation, size = bbb[var].shape)
 
     def test_reference(self, epsilon=1e-8):
         from h5py import File

pytests/pytests/unittests/D_only/nonog/up_no2ndgradient/test_nonog_up_no2ndgradient.py

@@ -9,7 +9,7 @@ def perturb_solution(self, file, perturbation=1e-2):
         from numpy.random import uniform
         bbb = file['bbb']
         for var in ['nis', 'ups', 'tes', 'tis', 'ngs', 'tgs', 'phis']:
-            bbb[var][...] *= uniform(low=perturbation, high=perturbation, size = bbb[var].shape)
+            bbb[var][...] *= uniform(low=1-perturbation, high=1+perturbation, size = bbb[var].shape)
 
     def test_reference(self, epsilon=1e-8):
         from h5py import File

pytests/pytests/unittests/D_only/nonog/up_nogradient/test_nonog_up_nogradient.py

@@ -9,7 +9,7 @@ def perturb_solution(self, file, perturbation=1e-2):
         from numpy.random import uniform
         bbb = file['bbb']
         for var in ['nis', 'ups', 'tes', 'tis', 'ngs', 'tgs', 'phis']:
-            bbb[var][...] *= uniform(low=perturbation, high=perturbation, size = bbb[var].shape)
+            bbb[var][...] *= uniform(low=1-perturbation, high=1+perturbation, size = bbb[var].shape)
 
     def test_reference(self, epsilon=1e-8):
         from h5py import File

pytests/pytests/unittests/D_only/nonog/upcore1e3/test_nonog_upcore1e3.py

@@ -9,7 +9,7 @@ def perturb_solution(self, file, perturbation=1e-2):
         from numpy.random import uniform
         bbb = file['bbb']
         for var in ['nis', 'ups', 'tes', 'tis', 'ngs', 'tgs', 'phis']:
-            bbb[var][...] *= uniform(low=perturbation, high=perturbation, size = bbb[var].shape)
+            bbb[var][...] *= uniform(low=1-perturbation, high=1+perturbation, size = bbb[var].shape)
 
     def test_reference(self, epsilon=1e-8):
         from h5py import File

pytests/pytests/unittests/D_only/nonog/utorave/test_nonog_utorave.py

@@ -9,7 +9,7 @@ def perturb_solution(self, file, perturbation=1e-2):
         from numpy.random import uniform
         bbb = file['bbb']
         for var in ['nis', 'ups', 'tes', 'tis', 'ngs', 'tgs', 'phis']:
-            bbb[var][...] *= uniform(low=perturbation, high=perturbation, size = bbb[var].shape)
+            bbb[var][...] *= uniform(low=1-perturbation, high=1+perturbation, size = bbb[var].shape)
 
     def test_reference(self, epsilon=1e-8):
         from h5py import File

pytests/pytests/unittests/D_only/ortho/0p5albedoc/test_ortho_0p5albedoc.py

@@ -9,7 +9,7 @@ def perturb_solution(self, file, perturbation=1e-2):
         from numpy.random import uniform
         bbb = file['bbb']
         for var in ['nis', 'ups', 'tes', 'tis', 'ngs', 'tgs', 'phis']:
-            bbb[var][...] *= uniform(low=perturbation, high=perturbation, size = bbb[var].shape)
+            bbb[var][...] *= uniform(low=1-perturbation, high=1+perturbation, size = bbb[var].shape)
 
     def test_reference(self, epsilon=1e-8):
         from h5py import File

pytests/pytests/unittests/D_only/ortho/bcee/test_ortho_bcee.py

@@ -9,7 +9,7 @@ def perturb_solution(self, file, perturbation=1e-2):
         from numpy.random import uniform
         bbb = file['bbb']
         for var in ['nis', 'ups', 'tes', 'tis', 'ngs', 'tgs', 'phis']:
-            bbb[var][...] *= uniform(low=perturbation, high=perturbation, size = bbb[var].shape)
+            bbb[var][...] *= uniform(low=1-perturbation, high=1+perturbation, size = bbb[var].shape)
 
     def test_reference(self, epsilon=1e-8):
         from h5py import File

pytests/pytests/unittests/D_only/ortho/bcei/test_ortho_bcei.py

@@ -9,7 +9,7 @@ def perturb_solution(self, file, perturbation=1e-2):
         from numpy.random import uniform
         bbb = file['bbb']
         for var in ['nis', 'ups', 'tes', 'tis', 'ngs', 'tgs', 'phis']:
-            bbb[var][...] *= uniform(low=perturbation, high=perturbation, size = bbb[var].shape)
+            bbb[var][...] *= uniform(low=1-perturbation, high=1+perturbation, size = bbb[var].shape)
 
     def test_reference(self, epsilon=1e-8):
         from h5py import File

pytests/pytests/unittests/D_only/ortho/core_nogradient/test_ortho_core_nogradient.py

@@ -9,7 +9,7 @@ def perturb_solution(self, file, perturbation=1e-2):
         from numpy.random import uniform
         bbb = file['bbb']
         for var in ['nis', 'ups', 'tes', 'tis', 'ngs', 'tgs', 'phis']:
-            bbb[var][...] *= uniform(low=perturbation, high=perturbation, size = bbb[var].shape)
+            bbb[var][...] *= uniform(low=1-perturbation, high=1+perturbation, size = bbb[var].shape)
 
     def test_reference(self, epsilon=1e-8):
         from h5py import File

pytests/pytests/unittests/D_only/ortho/corepower/test_ortho_corepower.py

@@ -9,7 +9,7 @@ def perturb_solution(self, file, perturbation=1e-2):
         from numpy.random import uniform
         bbb = file['bbb']
         for var in ['nis', 'ups', 'tes', 'tis', 'ngs', 'tgs', 'phis']:
-            bbb[var][...] *= uniform(low=perturbation, high=perturbation, size = bbb[var].shape)
+            bbb[var][...] *= uniform(low=1-perturbation, high=1+perturbation, size = bbb[var].shape)
 
     def test_reference(self, epsilon=1e-8):
         from h5py import File

pytests/pytests/unittests/D_only/ortho/curcore/test_ortho_curcore.py

@@ -9,7 +9,7 @@ def perturb_solution(self, file, perturbation=1e-2):
         from numpy.random import uniform
         bbb = file['bbb']
         for var in ['nis', 'ups', 'tes', 'tis', 'ngs', 'tgs', 'phis']:
-            bbb[var][...] *= uniform(low=perturbation, high=perturbation, size = bbb[var].shape)
+            bbb[var][...] *= uniform(low=1-perturbation, high=1+perturbation, size = bbb[var].shape)
 
     def test_reference(self, epsilon=1e-8):
         from h5py import File

pytests/pytests/unittests/D_only/ortho/curcore_0p5gaspump/test_ortho_curcore_0p5gaspump.py

@@ -9,7 +9,7 @@ def perturb_solution(self, file, perturbation=1e-2):
         from numpy.random import uniform
         bbb = file['bbb']
         for var in ['nis', 'ups', 'tes', 'tis', 'ngs', 'tgs', 'phis']:
-            bbb[var][...] *= uniform(low=perturbation, high=perturbation, size = bbb[var].shape)
+            bbb[var][...] *= uniform(low=1-perturbation, high=1+perturbation, size = bbb[var].shape)
 
     def test_reference(self, epsilon=1e-8):
         from h5py import File

pytests/pytests/unittests/D_only/ortho/curcore_gaspump/test_ortho_curcore_gaspump.py

@@ -9,7 +9,7 @@ def perturb_solution(self, file, perturbation=1e-2):
         from numpy.random import uniform
         bbb = file['bbb']
         for var in ['nis', 'ups', 'tes', 'tis', 'ngs', 'tgs', 'phis']:
-            bbb[var][...] *= uniform(low=perturbation, high=perturbation, size = bbb[var].shape)
+            bbb[var][...] *= uniform(low=1-perturbation, high=1+perturbation, size = bbb[var].shape)
 
     def test_reference(self, epsilon=1e-8):
         from h5py import File

pytests/pytests/unittests/D_only/ortho/default/test_ortho_default.py

@@ -9,7 +9,7 @@ def perturb_solution(self, file, perturbation=1e-2):
         from numpy.random import uniform
         bbb = file['bbb']
         for var in ['nis', 'ups', 'tes', 'tis', 'ngs', 'tgs', 'phis']:
-            bbb[var][...] *= uniform(low=perturbation, high=perturbation, size = bbb[var].shape)
+            bbb[var][...] *= uniform(low=1-perturbation, high=1+perturbation, size = bbb[var].shape)
 
     def test_reference(self, epsilon=1e-8):
         from h5py import File

pytests/pytests/unittests/D_only/ortho/fixedngcore/test_ortho_fixedngcore.py

@@ -9,7 +9,7 @@ def perturb_solution(self, file, perturbation=1e-2):
         from numpy.random import uniform
         bbb = file['bbb']
         for var in ['nis', 'ups', 'tes', 'tis', 'ngs', 'tgs', 'phis']:
-            bbb[var][...] *= uniform(low=perturbation, high=perturbation, size = bbb[var].shape)
+            bbb[var][...] *= uniform(low=1-perturbation, high=1+perturbation, size = bbb[var].shape)
 
     def test_reference(self, epsilon=1e-8):
         from h5py import File