Fix type for ceil_to_multiple in automatic launch config lambda

src/pystencils/codegen/gpu_indexing.py

@@ -11,6 +11,7 @@ from .parameters import Parameter
 from .errors import CodegenError
 from .config import GpuIndexingScheme
 from .target import Target
+from ..backend.constants import PsConstant
 
 from ..backend.kernelcreation import (
     KernelCreationContext,
@@ -604,7 +605,9 @@ class GpuIndexing:
         # -> round block size in fastest moving dimension up to multiple of warp size
         rounded_block_size: PsExpression
         if self._assume_warp_aligned_block_size:
-            rounded_block_size = ceil_to_multiple(work_items[0], self._hw_props.warp_size)
+            rounded_block_size = ceil_to_multiple(
+                work_items[0],
+                PsExpression.make(PsConstant(self._hw_props.warp_size, work_items[0].dtype)))
         else:
             rounded_block_size = work_items[0]