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-rw-r--r--ot/bregman.py11
1 files changed, 7 insertions, 4 deletions
diff --git a/ot/bregman.py b/ot/bregman.py
index b1321a4..4e1a25c 100644
--- a/ot/bregman.py
+++ b/ot/bregman.py
@@ -3173,8 +3173,7 @@ def empirical_sinkhorn2(X_s, X_t, reg, a=None, b=None, metric='sqeuclidean',
return loss
else:
- M = dist(nx.to_numpy(X_s), nx.to_numpy(X_t), metric=metric)
- M = nx.from_numpy(M, type_as=a)
+ M = dist(X_s, X_t, metric=metric)
if log:
sinkhorn_loss, log = sinkhorn2(a, b, M, reg, numItermax=numIterMax,
@@ -3287,6 +3286,10 @@ def empirical_sinkhorn_divergence(X_s, X_t, reg, a=None, b=None, metric='sqeucli
International Conference on Artficial Intelligence and Statistics,
(AISTATS) 21, 2018
'''
+ X_s, X_t = list_to_array(X_s, X_t)
+
+ nx = get_backend(X_s, X_t)
+
if log:
sinkhorn_loss_ab, log_ab = empirical_sinkhorn2(X_s, X_t, reg, a, b, metric=metric,
numIterMax=numIterMax,
@@ -3313,7 +3316,7 @@ def empirical_sinkhorn_divergence(X_s, X_t, reg, a=None, b=None, metric='sqeucli
log['log_sinkhorn_a'] = log_a
log['log_sinkhorn_b'] = log_b
- return max(0, sinkhorn_div), log
+ return nx.maximum(0, sinkhorn_div), log
else:
sinkhorn_loss_ab = empirical_sinkhorn2(X_s, X_t, reg, a, b, metric=metric,
@@ -3332,7 +3335,7 @@ def empirical_sinkhorn_divergence(X_s, X_t, reg, a=None, b=None, metric='sqeucli
warn=warn, **kwargs)
sinkhorn_div = sinkhorn_loss_ab - 0.5 * (sinkhorn_loss_a + sinkhorn_loss_b)
- return max(0, sinkhorn_div)
+ return nx.maximum(0, sinkhorn_div)
def screenkhorn(a, b, M, reg, ns_budget=None, nt_budget=None, uniform=False,