Merge pull request cupy#3570 from emcastillo/fix-percentile

Fix `cupy.percentile` type assignment in `asarray`

cupy/statistics/order.py

@@ -186,7 +186,8 @@ def percentile(a, q, axis=None, out=None, interpolation='linear',
     .. seealso:: :func:`numpy.percentile`
 
     """
-    q = cupy.asarray(q, dtype=a.dtype)
+    if not isinstance(q, cupy.ndarray):
+        q = cupy.asarray(q, dtype='d')
     if q.ndim == 0:
         q = q[None]
         zerod = True

tests/cupy_tests/statics_tests/test_order.py

@@ -31,6 +31,14 @@ def test_percentile_defaults(self, xp, dtype, interpolation):
         q = testing.shaped_random((3,), xp, dtype=dtype, scale=100)
         return xp.percentile(a, q, interpolation=interpolation)
 
+    @for_all_interpolations()
+    @testing.for_all_dtypes(no_float16=True, no_bool=True, no_complex=True)
+    @testing.numpy_cupy_allclose()
+    def test_percentile_q_list(self, xp, dtype, interpolation):
+        a = testing.shaped_arange((1001,), xp, dtype)
+        q = [99, 99.9]
+        return xp.percentile(a, q, interpolation=interpolation)
+
     @for_all_interpolations()
     @testing.for_all_dtypes(no_float16=True, no_bool=True, no_complex=True)
     @testing.numpy_cupy_allclose(rtol=1e-6)