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GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it

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#ifdef __cplusplus

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extern "C" {

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#endif

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#ifndef _PRESENTATION_h_ 

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#define _PRESENTATION_h_

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#ifdef __STDC__

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/**********************************************************************

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|  FILE: presentation.c

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***********************************************************************/

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extern matrix_TYP *pres(bahn **s,

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                        bravais_TYP *G,

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                        int *OPT);

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extern void normalize_word(int *w);

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/**********************************************************************

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|  FILE: mapped_word.c

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***********************************************************************/

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matrix_TYP *mapped_word(int *w,

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                        matrix_TYP **A,

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                        matrix_TYP **AINV);

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/**********************************************************************

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|  FILE: check_base.c

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***********************************************************************/

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void check_base(bahn **s,

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                bravais_TYP *G);

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/**********************************************************************

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|  FILE: put_word.c

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***********************************************************************/

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void put_word(int *w,

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              char *O);

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#else

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/**********************************************************************

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|  FILE: presentation.c

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***********************************************************************/

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extern matrix_TYP *pres();

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extern void normalize_word();

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/**********************************************************************

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|  FILE: mapped_word.c

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***********************************************************************/

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matrix_TYP *mapped_word();

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/**********************************************************************

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|  FILE: check_base.c

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***********************************************************************/

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void check_base();

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/**********************************************************************

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|  FILE: put_word.c

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***********************************************************************/

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void put_word();

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#endif

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#endif

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#ifdef __cplusplus

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}

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#endif

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