feat(mge/elwise): removed back to fp32 mode

GitOrigin-RevId: a665a279a684c41a5ff746c95e7a5246125035c1

imperative/python/megengine/core/tensor/array_method.py

@@ -47,24 +47,27 @@ def _elwise_apply(args, mode):
 
 def _elwise(*args, mode):
     args = convert_inputs(*args)
-    if mode in (
-        _ElwMod.TRUE_DIV,
-        _ElwMod.EXP,
-        _ElwMod.POW,
-        _ElwMod.LOG,
-        _ElwMod.EXPM1,
-        _ElwMod.LOG1P,
-        _ElwMod.TANH,
-        _ElwMod.ACOS,
-        _ElwMod.ASIN,
-        _ElwMod.ATAN2,
-        _ElwMod.COS,
-        _ElwMod.H_SWISH,
-        _ElwMod.SIGMOID,
-        _ElwMod.SIN,
-        _ElwMod.LOG_SUM_EXP,
-    ) and (
-        amp._enabled or np.all([np.issubdtype(arg.dtype, np.integer) for arg in args])
+    if (
+        mode
+        in (
+            _ElwMod.EXP,
+            _ElwMod.POW,
+            _ElwMod.LOG,
+            _ElwMod.EXPM1,
+            _ElwMod.LOG1P,
+            _ElwMod.ACOS,
+            _ElwMod.ASIN,
+            _ElwMod.ATAN2,
+            _ElwMod.COS,
+            _ElwMod.SIN,
+            _ElwMod.LOG_SUM_EXP,
+        )
+        and (
+            amp._enabled
+            or np.all([np.issubdtype(arg.dtype, np.integer) for arg in args])
+        )
+        or mode in (_ElwMod.TRUE_DIV, _ElwMod.TANH,)
+        and np.all([np.issubdtype(arg.dtype, np.integer) for arg in args])
     ):
         # autocast to FP32 to maintain precision
         # or to avoid op's not supporting all int args