WIP: try fixing ceil dtypes

Author: ev-br

array_api_compat/common/_aliases.py

@@ -528,9 +528,13 @@ def nonzero(x: Array, /, xp: Namespace, **kwargs: object) -> tuple[Array, ...]:
 
 
 def ceil(x: Array, /, xp: Namespace, **kwargs: object) -> Array:
-    if xp.issubdtype(x.dtype, xp.integer):
-        return x
-    return xp.ceil(x, **kwargs)
+#    if xp.issubdtype(x.dtype, xp.integer):
+#        return x
+    result = xp.ceil(x, **kwargs)
+    if result.dtype != x.dtype:
+        # numpy < 2: ceil(int array) is float
+        result = xp.astype(result, x.dtype)
+    return result
 
 
 def floor(x: Array, /, xp: Namespace, **kwargs: object) -> Array: