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Default FLU_INT_SCHEME based on SUPPORT_SPECTRAL_INT #500

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Merged
hyschive merged 1 commit into from
Dec 18, 2025
Merged

Default FLU_INT_SCHEME based on SUPPORT_SPECTRAL_INT #500

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2 changes: 1 addition & 1 deletion doc/wiki/Installation-related/Installation:-Option-List.md
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Original file line number Diff line number Diff line change
Expand Up @@ -135,7 +135,7 @@ disabled). See the "Restriction" of each option carefully.
| `--hdf5` | `true`, `false` | `false` | Enable HDF5 output (see [[Outputs]]) | May need to set `HDF5_PATH` in [[configuration file \| Installation:-Machine-Configuration-File#1-Library-paths]] | <a name="--hdf5"></a> `SUPPORT_HDF5` |
| `--gsl` | `true`, `false` | `false` | Enable GNU scientific library | May need to set `GSL_PATH` in [[configuration file \| Installation:-Machine-Configuration-File#1-Library-paths]] | <a name="--gsl"></a> `SUPPORT_GSL` |
| `--fftw` | `OFF`, `FFTW2`, `FFTW3` | `OFF` | Enable FFTW | May need to set `FFTW2/3_PATH` in [[configuration file \| Installation:-Machine-Configuration-File#1-Library-paths]] | <a name="--fftw"></a> `SUPPORT_FFTW` |
| `--spectral_interpolation` | `true`, `false` | `false` | Enable spectral interpolation | Must enable `--gsl` and set `--fftw` | <a name="--spectral_interpolation"></a> `SUPPORT_SPECTRAL_INT` |
| `--spectral_interpolation` | `true`, `false` | `false` | Enable spectral interpolation. If true, the default fluid interpolation scheme will be changed to spectral interpolation. | Must enable `--gsl` and set `--fftw` | <a name="--spectral_interpolation"></a> `SUPPORT_SPECTRAL_INT` |
| `--rng` | `RNG_GNU_EXT`, `RNG_CPP11` | `RNG_GNU_EXT` | Random number generators. `RNG_GNU_EXT`: GNU extension `drand48_r`; `RNG_CPP11`: c++11 `<random>` | Use `RNG_GNU_EXT` for compilers supporting GNU extensions (<b>they may not be supported on macOS</b>); use `RNG_CPP11` for compilers supporting c++11 (<b>one may need to add `-std=c++11` to `CXXFLAG`</b> &#8594; see [[compilation flags \| Installation:-Machine-Configuration-File#3-Compilation-flags]]) | <a name="--rng"></a> `RANDOM_NUMBER` |
> [!CAUTION]
> On macOS, we recommend using the GNU compiler and set `--rng=RNG_CPP11`.
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8 changes: 8 additions & 0 deletions src/Init/Init_ResetParameter.cpp
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Expand Up @@ -388,14 +388,22 @@ void Init_ResetParameter()
# elif ( MODEL == ELBDM )
if ( OPT__FLU_INT_SCHEME == INT_DEFAULT )
{
# ifdef SUPPORT_SPECTRAL_INT
OPT__FLU_INT_SCHEME = INT_SPECTRAL;
# else
OPT__FLU_INT_SCHEME = INT_CQUAR;
# endif

PRINT_RESET_PARA( OPT__FLU_INT_SCHEME, FORMAT_INT, "" );
}

if ( OPT__REF_FLU_INT_SCHEME == INT_DEFAULT )
{
# ifdef SUPPORT_SPECTRAL_INT
OPT__REF_FLU_INT_SCHEME = INT_SPECTRAL;
# else
OPT__REF_FLU_INT_SCHEME = INT_CQUAR;
# endif

PRINT_RESET_PARA( OPT__REF_FLU_INT_SCHEME, FORMAT_INT, "" );
}
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