warp.build_experimental.add_builtin#

warp.build_experimental.add_builtin(
name,
input_types=None,
value_type=None,
*,
native_name=None,
doc='',
)[source]#

Register an external C++ function for use in Warp kernels.

Experimental: this API may change without deprecation in future releases.

The registered function is available in kernels as warp.<name>. Calling it directly from Python is not supported.

Parameters:

  • name (str) – Name used to call the function from Warp kernels.

  • input_types (Mapping[str, type] | None) – Ordered mapping from parameter names to Warp types.

  • value_type (type | None) – Warp return type, or None for a function returning void.

  • native_name (str | None) – Exact qualified C++ function name. When omitted, wp::<name> is used.

  • doc (str) – Description of the function.

Returns:

The canonical Warp function containing the registered overload.

Return type:

Function

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