The function or variable'FMapNLSum_cpu' is not defined.

[Jacksonm75]

When I run nlnet_denoise_demo.m, an error occurs, and it says that the functions or variables "FMapNLSum_cpu" and "FMapNLSum_gpu" are not defined. How can I solve it?

[lcbox07]

When I run nlnet_denoise_demo.m, an error occurs, and it says that the functions or variables "FMapNLSum_cpu" and "FMapNLSum_gpu" are not defined. How can I solve it?