fixed displaying all nan arrays

gdementen · gdementen · commit 230cca748788 · 2020-04-17T09:47:13.000+02:00
diff --git a/doc/source/changes/version_0_32_2.rst.inc b/doc/source/changes/version_0_32_2.rst.inc
@@ -4,3 +4,5 @@ Fixes
 ^^^^^
 
 * fixed spurious warning in the console when an expression results in an empty sequence (array, list, tuple).
+
+* fixed displaying arrays entirely filled with NaN.
diff --git a/larray_editor/tests/test_api_larray.py b/larray_editor/tests/test_api_larray.py
@@ -70,7 +70,7 @@
 
 # test isssue #35
 arr7 = la.from_lists([['a',                   1,                    2,                    3],
-                   [ '', 1664780726569649730, -9196963249083393206, -7664327348053294350]])
+                      [ '', 1664780726569649730, -9196963249083393206, -7664327348053294350]])
 
 
 def make_circle(width=20, radius=9):
@@ -98,6 +98,7 @@ def make_demo(width=20, ball_radius=5, path_radius=5, steps=30):
 sphere = make_sphere(9, 4)
 extreme_array = la.Array([-la.inf, -1, 0, la.nan, 1, la.inf])
 array_scalar = la.Array(0)
+arr_all_nan = la.Array([la.nan, la.nan])
 arr_empty = la.Array([])
 arr_empty_2d = la.Array([[], []])
 arr_obj = la.ndtest((2, 3)).astype(object)
diff --git a/larray_editor/utils.py b/larray_editor/utils.py
@@ -524,7 +524,7 @@ def scale_to_01range(value, vmin, vmax):
     array([ 0. ,  1. ,  0.5,  0. ,  0.1,  1. ])
     """
     if hasattr(value, 'shape') and value.shape:
-        if vmin == vmax:
+        if (np.isnan(vmin) and np.isnan(vmax)) or (vmin == vmax):
             return np.where(np.isnan(value), np.nan, 0)
         else:
             assert vmin < vmax
