Fix deprecation warning of .T for 1-d inputs (#761)

* Fix deprecation warning of .T for 1-d inputs

* Update RELEASES.md

Author: francois-rozet

RELEASES.md

@@ -41,6 +41,7 @@
 - Fix doc for projection sparse simplex (PR #734, PR #746)
 - Changed the default behavior of `ot.lp.solver_1d.wasserstein_circle` (Issue #738)
 - Avoid raising unnecessary warnings in `ot.lp.solver_1d.binary_search_circle` (Issue #738)
+- Avoid deprecation warning in `ot.lp.solver_1d.wasserstein_1d` (Issue #760, PR #761)
 
 ## 0.9.5
 

ot/lp/solver_1d.py

@@ -38,8 +38,8 @@ def quantile_function(qs, cws, xs):
     if nx.__name__ == "torch":
         # this is to ensure the best performance for torch searchsorted
         # and avoid a warning related to non-contiguous arrays
-        cws = cws.T.contiguous()
-        qs = qs.T.contiguous()
+        cws = cws.movedim(0, -1).contiguous()
+        qs = qs.movedim(0, -1).contiguous()
     else:
         cws = cws.T
         qs = qs.T