GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it
#ifdef __cplusplus1extern "C" {2#endif345#ifndef _SYMM_H_6#define _SYMM_H_78#ifndef _CARAT_TYPEDEF_H_9#include"typedef.h"10#endif1112#ifdef __STDC__13/*-------------------------------------------------------------*\14| FILE: dsylv.c15\*-------------------------------------------------------------*/16extern matrix_TYP *dsylv(matrix_TYP *M);17extern int definite_test(matrix_TYP *M);1819/*-------------------------------------------------------------*\20| FILE: rest_short.c21\*-------------------------------------------------------------*/22extern matrix_TYP *rest_short(matrix_TYP *mat, int *restvec, int rkgv,23int zaehler, int nenner, int find_opt, int count_opt, int *anz);2425/*-------------------------------------------------------------*\26| FILE: short.c27\*-------------------------------------------------------------*/28extern matrix_TYP *short_vectors(matrix_TYP *mat, int length,29int lengthmin, int find_opt, int count_opt, int *anz);3031/*-------------------------------------------------------------*\32| FILE: shortest.c33\*-------------------------------------------------------------*/34extern matrix_TYP *shortest(matrix_TYP *mat, int *min_norm);3536#else37/*-------------------------------------------------------------*\38| FILE: dsylv.c39\*-------------------------------------------------------------*/40extern matrix_TYP *dsylv();41extern int definite_test();4243/*-------------------------------------------------------------*\44| FILE: rest_short.c45\*-------------------------------------------------------------*/46extern matrix_TYP *rest_short();4748/*-------------------------------------------------------------*\49| FILE: short.c50\*-------------------------------------------------------------*/51extern matrix_TYP *short_vectors();5253/*-------------------------------------------------------------*\54| FILE: shortest.c55\*-------------------------------------------------------------*/56extern matrix_TYP *shortest();5758#endif59#endif6061#ifdef __cplusplus62}63#endif64656667