Remove config.USE_LEGACY_TYPE_SYSTEM checks

Author: VijayKandiah

numba_cuda/numba/cuda/typeconv/rules.py

@@ -4,7 +4,6 @@
 import itertools
 from .typeconv import TypeManager, TypeCastingRules
 from numba.core import types
-from numba.cuda import config
 
 
 default_type_manager = TypeManager()
@@ -16,58 +15,49 @@ def dump_number_rules():
         print(a, "->", b, tm.check_compatible(a, b))
 
 
-if config.USE_LEGACY_TYPE_SYSTEM:  # Old type system
+def _init_casting_rules(tm):
+    tcr = TypeCastingRules(tm)
+    tcr.safe_unsafe(types.boolean, types.int8)
+    tcr.safe_unsafe(types.boolean, types.uint8)
 
-    def _init_casting_rules(tm):
-        tcr = TypeCastingRules(tm)
-        tcr.safe_unsafe(types.boolean, types.int8)
-        tcr.safe_unsafe(types.boolean, types.uint8)
+    tcr.promote_unsafe(types.int8, types.int16)
+    tcr.promote_unsafe(types.uint8, types.uint16)
 
-        tcr.promote_unsafe(types.int8, types.int16)
-        tcr.promote_unsafe(types.uint8, types.uint16)
+    tcr.promote_unsafe(types.int16, types.int32)
+    tcr.promote_unsafe(types.uint16, types.uint32)
 
-        tcr.promote_unsafe(types.int16, types.int32)
-        tcr.promote_unsafe(types.uint16, types.uint32)
+    tcr.promote_unsafe(types.int32, types.int64)
+    tcr.promote_unsafe(types.uint32, types.uint64)
 
-        tcr.promote_unsafe(types.int32, types.int64)
-        tcr.promote_unsafe(types.uint32, types.uint64)
+    tcr.safe_unsafe(types.uint8, types.int16)
+    tcr.safe_unsafe(types.uint16, types.int32)
+    tcr.safe_unsafe(types.uint32, types.int64)
 
-        tcr.safe_unsafe(types.uint8, types.int16)
-        tcr.safe_unsafe(types.uint16, types.int32)
-        tcr.safe_unsafe(types.uint32, types.int64)
+    tcr.safe_unsafe(types.int8, types.float16)
+    tcr.safe_unsafe(types.int16, types.float32)
+    tcr.safe_unsafe(types.int32, types.float64)
 
-        tcr.safe_unsafe(types.int8, types.float16)
-        tcr.safe_unsafe(types.int16, types.float32)
-        tcr.safe_unsafe(types.int32, types.float64)
+    tcr.unsafe_unsafe(types.int16, types.float16)
+    tcr.unsafe_unsafe(types.int32, types.float32)
+    # XXX this is inconsistent with the above; but we want to prefer
+    # float64 over int64 when typing a heterogeneous operation,
+    # e.g. `float64 + int64`.  Perhaps we need more granularity in the
+    # conversion kinds.
+    tcr.safe_unsafe(types.int64, types.float64)
+    tcr.safe_unsafe(types.uint64, types.float64)
 
-        tcr.unsafe_unsafe(types.int16, types.float16)
-        tcr.unsafe_unsafe(types.int32, types.float32)
-        # XXX this is inconsistent with the above; but we want to prefer
-        # float64 over int64 when typing a heterogeneous operation,
-        # e.g. `float64 + int64`.  Perhaps we need more granularity in the
-        # conversion kinds.
-        tcr.safe_unsafe(types.int64, types.float64)
-        tcr.safe_unsafe(types.uint64, types.float64)
+    tcr.promote_unsafe(types.float16, types.float32)
+    tcr.promote_unsafe(types.float32, types.float64)
 
-        tcr.promote_unsafe(types.float16, types.float32)
-        tcr.promote_unsafe(types.float32, types.float64)
+    tcr.safe(types.float32, types.complex64)
+    tcr.safe(types.float64, types.complex128)
 
-        tcr.safe(types.float32, types.complex64)
-        tcr.safe(types.float64, types.complex128)
+    tcr.promote_unsafe(types.complex64, types.complex128)
 
-        tcr.promote_unsafe(types.complex64, types.complex128)
+    # Allow integers to cast ot void*
+    tcr.unsafe_unsafe(types.uintp, types.voidptr)
 
-        # Allow integers to cast ot void*
-        tcr.unsafe_unsafe(types.uintp, types.voidptr)
-
-        return tcr
-else:  # New type system
-    # Currently left as empty
-    # If no casting rules are required we may opt to remove
-    # this framework upon deprecation
-    def _init_casting_rules(tm):
-        tcr = TypeCastingRules(tm)
-        return tcr
+    return tcr
 
 
 default_casting_rules = _init_casting_rules(default_type_manager)