Set FLOAT8_PAR as true by default

hyschive · Feb 28, 2025 · 6c789a9 · 6c789a9
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diff --git a/doc/wiki/Installation-related/Installation:-Option-List.md b/doc/wiki/Installation-related/Installation:-Option-List.md
@@ -87,7 +87,7 @@ disabled). See the "Restriction" of each option carefully.
 | `--feedback`          | `true`, `false` | `false` | Enable feedback from particles to grids (and vice versa) | See [[here \| Feedback]] for details | <a name="--feedback"></a> `FEEDBACK` |
 | `--par_attribute_flt` | &#8805; 0       | `0`     | Number of user-defined particle floating-point attributes | See [[here \| Adding-New-Simulations#particle-attributes]] for details | <a name="--par_attribute_flt"></a> `PAR_NATT_FLT_USER` |
 | `--par_attribute_int` | &#8805; 0       | `0`     | Number of user-defined particle integer        attributes | See [[here \| Adding-New-Simulations#particle-attributes]] for details | <a name="--par_attribute_int"></a> `PAR_NATT_INT_USER` |
-| `--double_par`        | `true`, `false` | Depend  | Enable double-precision floating-point accuracy for particles. It will be set to `--double` by default. | - | <a name="--double_par"></a> `FLOAT8_PAR` |
+| `--double_par`        | `true`, `false` | `true`  | Enable double-precision floating-point accuracy for particles. | - | <a name="--double_par"></a> `FLOAT8_PAR` |
 | `--long_par`          | `true`, `false` | `true`  | Enable long interger data type for particles. | - | <a name="--long_par"></a> `INT8_PAR` |
 
 ## Microphysics Options

diff --git a/example/test_problem/Hydro/CDM_LSS/Input__Parameter b/example/test_problem/Hydro/CDM_LSS/Input__Parameter
@@ -46,7 +46,7 @@ OPT__BC_POT                   1           # gravity boundary condition: (1=perio
 PAR_NPAR                      2097152     # total number of particles (must be set for PAR_INIT==1/3; must be an integer)
 PAR_INIT                      3           # initialization option for particles: (1=FUNCTION, 2=RESTART, 3=FILE->"PAR_IC")
 PAR_IC_FORMAT                 1           # data format of PAR_IC: (1=[attribute][id], 2=[id][attribute]; row-major) [1]
-PAR_IC_FLOAT8                -1           # floating-point precision for PAR_IC (<0: default, 0: single, 1: double) [default: same as FLOAT8_PAR]
+PAR_IC_FLOAT8                 0           # floating-point precision for PAR_IC (<0: default, 0: single, 1: double) [default: same as FLOAT8_PAR]
 PAR_IC_INT8                  -1           # integer width for PAR_IC (<0: default, 0: 32-bit, 1: 64-bit) [default: same as INT8_PAR]
 PAR_IC_MASS                  -1.0         # mass of all particles for PAR_INIT==3 (<0=off) [-1.0]
 PAR_IC_TYPE                  -1           # type of all particles for PAR_INIT==3 (<0=off) [-1]

diff --git a/src/configure.py b/src/configure.py
@@ -674,7 +674,7 @@ def load_arguments( sys_setting : SystemSetting ):
                        )
 
     parser.add_argument( "--double_par", type=str2bool, metavar="BOOLEAN", gamer_name="FLOAT8_PAR",
-                         default=None,
+                         default=True,
                          depend={"particle":True},
                          help="Enable double precision for particle floating-point attributes.\n"
                        )
@@ -902,9 +902,6 @@ def set_conditional_defaults( args ):
     if args["laplacian_four"] is None:
         args["laplacian_four"] = True if args["wave_scheme"] == "FD" else False
 
-    if args["double_par"] is None:
-        args["double_par"] = args["double"]
-
     if args["flux"] is None:
         args["flux"] = "HLLD" if args["mhd"] else "HLLC"