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H A Dnewtonian_types.hc58dce4f72dc45b1921f9f8c30a01590ba75e826 Wed May 11 03:15:52 UTC 2022 Jed Brown <jed@jedbrown.org> examples/fluids: avoid pow(double, int) due to CUDA_ERROR_INVALID_PTX

NVRTC with various CUDA versions 11.2 to 11.6 return
CUDA_ERROR_INVALID_PTX when calling pow(double, int) from kernels.
Typicially pow(x, 2.) is optimized to x*x at -O1 and above with gcc, but
pow(x, 4.) is not optimized.
H A Dchannel.hc58dce4f72dc45b1921f9f8c30a01590ba75e826 Wed May 11 03:15:52 UTC 2022 Jed Brown <jed@jedbrown.org> examples/fluids: avoid pow(double, int) due to CUDA_ERROR_INVALID_PTX

NVRTC with various CUDA versions 11.2 to 11.6 return
CUDA_ERROR_INVALID_PTX when calling pow(double, int) from kernels.
Typicially pow(x, 2.) is optimized to x*x at -O1 and above with gcc, but
pow(x, 4.) is not optimized.
H A Dadvection.hc58dce4f72dc45b1921f9f8c30a01590ba75e826 Wed May 11 03:15:52 UTC 2022 Jed Brown <jed@jedbrown.org> examples/fluids: avoid pow(double, int) due to CUDA_ERROR_INVALID_PTX

NVRTC with various CUDA versions 11.2 to 11.6 return
CUDA_ERROR_INVALID_PTX when calling pow(double, int) from kernels.
Typicially pow(x, 2.) is optimized to x*x at -O1 and above with gcc, but
pow(x, 4.) is not optimized.