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rice-solar-physics / HYDRAD

HYDrodynamics and RADiation Code for computing solutions to field-aligned hydrodynamic equations in coronal loops
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Segfault in creating initial conditions for loops longer than 80Mm #96

Closed INnoVationJr closed 1 year ago

INnoVationJr commented 1 year ago

I'm running HYDRAD on Ubuntu 18.04.5 LTS and it throws segmentation fault after clicking "Generate Initial Conditions" in HYDRAD_GUI if the loop length is set longer than 80Mm. I have gcc 7.5.0 on my system. Without changing any default settings except loop length, the problem continues. An empty Initial_Conditions.txt is created after this error. When the loop length is set shorter than 80Mm, for example, 75Mm, it gives the same warning output except from the last segmentation line, but initial conditions can be generated successfully and HYDRAD can run without problem. Selecting uniform grid didn't help.

Running Initial_Conditions.bat in the main directory gives output as:

innovation@innovation:~/HYDRAD/test$ ./Initial_Conditions.bat
../source/misc.cpp: In function ‘void GetConfigurationParameters(PARAMETERS*)’:
../source/misc.cpp:31:7: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
 fscanf( pFile, "%s", pParams->szOutputFilename );
 ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../Radiation_Model/source/element.cpp: In member function ‘void CElement::OpenRangesFile(char*)’:
../../Radiation_Model/source/element.cpp:63:11: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     fscanf( pFile, "%c", &buffer );
     ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
../../Radiation_Model/source/element.cpp:66:7: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
 fscanf( pFile, "%i", &NumTemp );
 ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
../../Radiation_Model/source/element.cpp:67:7: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
 fscanf( pFile, "%i", &NumDen );
 ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
../../Radiation_Model/source/element.cpp:76:11: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     fscanf( pFile, "%c", &buffer );
     ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
../../Radiation_Model/source/element.cpp:85:11: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     fscanf( pFile, "%c", &buffer );
     ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
../../Radiation_Model/source/element.cpp: In member function ‘void CElement::OpenAbundanceFile(char*)’:
../../Radiation_Model/source/element.cpp:105:7: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
 fscanf( pFile, "%i", &buffer );
 ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
../../Radiation_Model/source/element.cpp:121:11: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     fscanf( pFile, "%i", &buffer );
     ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
../../Radiation_Model/source/element.cpp: In member function ‘void CElement::OpenEmissivityFile(char*)’:
../../Radiation_Model/source/element.cpp:152:11: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     fscanf( pFile, "%c", &buffer );
     ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
../../Radiation_Model/source/element.cpp:154:7: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
 fscanf( pFile, "%i", &NumIons );
 ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
../../Radiation_Model/source/element.cpp:162:11: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     fscanf( pFile, "%c", &buffer );
     ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
../../Radiation_Model/source/element.cpp:166:11: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     fscanf( pFile, "%i", &pSpecNum[i] );
     ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../Radiation_Model/source/element.cpp:184:15: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         fscanf( pFile, "%c", &buffer );
         ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
../../Radiation_Model/source/element.cpp: In member function ‘void CElement::OpenRatesFile(char*)’:
../../Radiation_Model/source/element.cpp:237:11: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     fscanf( pFile, "%s", buffer );
     ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
../../Radiation_Model/source/element.cpp:251:11: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     fscanf( pFile, "%s", buffer );
     ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
../../Radiation_Model/source/radiation.cpp: In member function ‘void CRadiation::Initialise(char*)’:
../../Radiation_Model/source/radiation.cpp:76:7: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
 fscanf( pFile, "%s", buffer1 );
 ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
../../Radiation_Model/source/radiation.cpp:80:7: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
 fscanf( pFile, "%s", buffer2 );
 ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
../../Radiation_Model/source/radiation.cpp:83:7: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
 fscanf( pFile, "%s", buffer3 );
 ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
../../Radiation_Model/source/radiation.cpp:87:7: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
 fscanf( pFile, "%s", buffer4 );
 ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
../../Radiation_Model/source/radiation.cpp:90:7: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
 fscanf( pFile, "%i", &NumElements );
 ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../Radiation_Model/source/radiation.cpp:101:11: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     fscanf( pFile, "%s", buffer1 );
     ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
../../Radiation_Model/source/radiation.cpp:104:11: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     fscanf( pFile, "%i", &(pZ[i]) );
     ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
../../Radiation_Model/source/radiation.cpp: In member function ‘void CRadiation::OpenRangesFile(char*)’:
../../Radiation_Model/source/radiation.cpp:140:11: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     fscanf( pFile, "%c", &buffer );
     ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
../../Radiation_Model/source/radiation.cpp:143:7: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
 fscanf( pFile, "%i", &NumTemp );
 ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
../../Radiation_Model/source/radiation.cpp:144:7: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
 fscanf( pFile, "%i", &NumDen );
 ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
../../Radiation_Model/source/radiation.cpp:153:11: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     fscanf( pFile, "%c", &buffer );
     ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
../../Radiation_Model/source/radiation.cpp:162:11: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     fscanf( pFile, "%c", &buffer );
     ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
../../Resources/Utils/generatePieceWiseFit/source/piecewisefit.cpp: In member function ‘void CPieceWiseFit::OpenPieceWiseFit(char*)’:
../../Resources/Utils/generatePieceWiseFit/source/piecewisefit.cpp:49:9: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   fscanf( pInputFile, "%i", &iPolyOrder );
   ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../Resources/Utils/generatePieceWiseFit/source/piecewisefit.cpp:51:9: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   fscanf( pInputFile, "%i", &inumSD );
   ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../Resources/Utils/generatePieceWiseFit/source/piecewisefit.cpp: In member function ‘void CPieceWiseFit::GeneratePieceWiseFit(char*, char*)’:
../../Resources/Utils/generatePieceWiseFit/source/piecewisefit.cpp:92:9: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   fscanf( pInputFile, "%i", &iPolyOrder );
   ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../Resources/Utils/generatePieceWiseFit/source/piecewisefit.cpp:99:9: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   fscanf( pInputFile, "%i", &inumSD );
   ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../Resources/Utils/generatePieceWiseFit/source/piecewisefit.cpp:106:9: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   fscanf( pInputFile, "%i", &inumPoints );
   ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../Resources/source/file.cpp: In function ‘void ReadDouble(void*, double*)’:
../../Resources/source/file.cpp:24:7: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
 fscanf( pFile, "%s", buffer );
 ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
./Initial_Conditions.bat: line 5:  4756 segmentation fault               ./Initial_Conditions.exe > Initial_Conditions.txt
sjbradshaw commented 1 year ago

Hi,

Thanks for contacting us about this issue. I suspect that the cause might be due to changing the loop length without also altering the “Min. number of grid cells” under the “Grid” tab in the GUI. If you change the length to (e.g.) 80 Mm but keep the original min. number of grid cells at 60 then you end up with awkward grid cell widths (something.33333 (recurring)). It’s best to choose a min. number of grid cells such that you have a “Max. grid cell width” (shown under the “Grid” tab) that is a whole number. For example: changing the min. number of grid cells to 80 (for an 80 Mm loop) gives you a max. width of 1E8 cm (1 Mm).

Let me know if this helps, otherwise I’ll think of something else.

Cheers,

Steve

PS. The email from GitHub (below) only identifies you as “INnoVationJr”.

From: INnoVationJr @.> Sent: Sunday, March 12, 2023 7:27 AM To: rice-solar-physics/HYDRAD @.> Cc: Subscribed @.***> Subject: [rice-solar-physics/HYDRAD] Segfault in creating initial conditions for loops longer than 80Mm (Issue #96)

I'm running HYDRAD on Ubuntu 18.04.5 LTS and it throws segmentation fault after clicking "Generate Initial Conditions" in HYDRAD_GUI if the loop length is set longer than 80Mm. I have gcc 7.5.0 on my system. Without changing any default settings except loop length, the problem continues.

Running Initial_Conditions.bat in the main directory gives output as:

@.**:~/HYDRAD/test$ ./Initial_Conditions.bat ../source/misc.cpp: In function ‘void GetConfigurationParameters(PARAMETERS)’: ../source/misc.cpp:31:7: warning: ignoring return value of ‘int fscanf(FILE, const char, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf( pFile, "%s", pParams->szOutputFilename );

../../Radiation_Model/source/element.cpp: In member function ‘void CElement::OpenRangesFile(char)’: ../../Radiation_Model/source/element.cpp:63:11: warning: ignoring return value of ‘int fscanf(FILE, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf( pFile, "%c", &buffer );


../../Radiation_Model/source/element.cpp:66:7: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
fscanf( pFile, "%i", &NumTemp );
~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
../../Radiation_Model/source/element.cpp:67:7: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
fscanf( pFile, "%i", &NumDen );
~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
../../Radiation_Model/source/element.cpp:76:11: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
    fscanf( pFile, "%c", &buffer );
    ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
../../Radiation_Model/source/element.cpp:85:11: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
    fscanf( pFile, "%c", &buffer );
    ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
../../Radiation_Model/source/element.cpp: In member function ‘void CElement::OpenAbundanceFile(char*)’:
../../Radiation_Model/source/element.cpp:105:7: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
fscanf( pFile, "%i", &buffer );
~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
../../Radiation_Model/source/element.cpp:121:11: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
    fscanf( pFile, "%i", &buffer );
    ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
../../Radiation_Model/source/element.cpp: In member function ‘void CElement::OpenEmissivityFile(char*)’:
../../Radiation_Model/source/element.cpp:152:11: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
    fscanf( pFile, "%c", &buffer );
    ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
../../Radiation_Model/source/element.cpp:154:7: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
fscanf( pFile, "%i", &NumIons );
~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
../../Radiation_Model/source/element.cpp:162:11: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
    fscanf( pFile, "%c", &buffer );
    ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
../../Radiation_Model/source/element.cpp:166:11: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
    fscanf( pFile, "%i", &pSpecNum[i] );
    ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../Radiation_Model/source/element.cpp:184:15: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
        fscanf( pFile, "%c", &buffer );
        ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
../../Radiation_Model/source/element.cpp: In member function ‘void CElement::OpenRatesFile(char*)’:
../../Radiation_Model/source/element.cpp:237:11: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
    fscanf( pFile, "%s", buffer );
    ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
../../Radiation_Model/source/element.cpp:251:11: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
    fscanf( pFile, "%s", buffer );
    ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
../../Radiation_Model/source/radiation.cpp: In member function ‘void CRadiation::Initialise(char*)’:
../../Radiation_Model/source/radiation.cpp:76:7: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
fscanf( pFile, "%s", buffer1 );
~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
../../Radiation_Model/source/radiation.cpp:80:7: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
fscanf( pFile, "%s", buffer2 );
~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
../../Radiation_Model/source/radiation.cpp:83:7: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
fscanf( pFile, "%s", buffer3 );
~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
../../Radiation_Model/source/radiation.cpp:87:7: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
fscanf( pFile, "%s", buffer4 );
~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
../../Radiation_Model/source/radiation.cpp:90:7: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
fscanf( pFile, "%i", &NumElements );
~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../Radiation_Model/source/radiation.cpp:101:11: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
    fscanf( pFile, "%s", buffer1 );
    ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
../../Radiation_Model/source/radiation.cpp:104:11: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
    fscanf( pFile, "%i", &(pZ[i]) );
    ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
../../Radiation_Model/source/radiation.cpp: In member function ‘void CRadiation::OpenRangesFile(char*)’:
../../Radiation_Model/source/radiation.cpp:140:11: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
    fscanf( pFile, "%c", &buffer );
    ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
../../Radiation_Model/source/radiation.cpp:143:7: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
fscanf( pFile, "%i", &NumTemp );
~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
../../Radiation_Model/source/radiation.cpp:144:7: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
fscanf( pFile, "%i", &NumDen );
~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
../../Radiation_Model/source/radiation.cpp:153:11: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
    fscanf( pFile, "%c", &buffer );
    ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
../../Radiation_Model/source/radiation.cpp:162:11: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
    fscanf( pFile, "%c", &buffer );
    ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
../../Resources/Utils/generatePieceWiseFit/source/piecewisefit.cpp: In member function ‘void CPieceWiseFit::OpenPieceWiseFit(char*)’:
../../Resources/Utils/generatePieceWiseFit/source/piecewisefit.cpp:49:9: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  fscanf( pInputFile, "%i", &iPolyOrder );
  ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../Resources/Utils/generatePieceWiseFit/source/piecewisefit.cpp:51:9: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  fscanf( pInputFile, "%i", &inumSD );
  ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../Resources/Utils/generatePieceWiseFit/source/piecewisefit.cpp: In member function ‘void CPieceWiseFit::GeneratePieceWiseFit(char*, char*)’:
../../Resources/Utils/generatePieceWiseFit/source/piecewisefit.cpp:92:9: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  fscanf( pInputFile, "%i", &iPolyOrder );
  ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../Resources/Utils/generatePieceWiseFit/source/piecewisefit.cpp:99:9: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  fscanf( pInputFile, "%i", &inumSD );
  ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../Resources/Utils/generatePieceWiseFit/source/piecewisefit.cpp:106:9: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  fscanf( pInputFile, "%i", &inumPoints );
  ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../Resources/source/file.cpp: In function ‘void ReadDouble(void*, double*)’:
../../Resources/source/file.cpp:24:7: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
fscanf( pFile, "%s", buffer );
~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
./Initial_Conditions.bat: line 5:  4756 segmentation fault               ./Initial_Conditions.exe > Initial_Conditions.txt

An empty Initial_Conditions.txt is created after this.
When the loop length is set shorter than 80Mm, for example, 75Mm, it gives the same warning output except from the last segmentation line, but initial conditions can be generated successfully and HYDRAD can run without problem.
Selecting uniform grid didn't help.

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INnoVationJr commented 1 year ago

Thank you for your reply! The problem is fixed.