Merge pull request #5215 from prckent/nxnumpy2

Nexus: Initial NumPy 2 support

nexus/lib/testing.py

@@ -1,6 +1,16 @@
+# Workaround numpy2 changes
+def portable_numpy(np):
+    if np.lib.NumpyVersion(np.__version__) >= '2.0.0b1':
+        np.set_printoptions(legacy="1.25")
+        np.string_ = np.bytes_
+        np.float_  = np.float64
+    #end if
+#end def portable_numpy
+
 
 try:
     import numpy as np
+    portable_numpy(np)
     numpy_available = True
 except:
     numpy_available = False
@@ -10,6 +20,7 @@
 def_atol =  0.0
 def_rtol = 1e-6
 
+
 # determine if two floats differ
 def float_diff(v1,v2,atol=def_atol,rtol=def_rtol):
     return np.abs(v1-v2)>atol+rtol*np.abs(v2)