30 lines
569 B
C
30 lines
569 B
C
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#ifndef COXETER_H
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#define COXETER_H
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#include <inttypes.h>
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typedef struct _groupelement {
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int id;
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int letter;
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struct _groupelement *parent;
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int length;
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struct _groupelement *inverse;
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struct _groupelement **left;
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struct _groupelement **right;
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} groupelement_t;
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typedef struct _group {
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int rank;
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int *coxeter_matrix;
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int size;
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groupelement_t *elements;
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groupelement_t **lists;
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} group_t;
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group_t *coxeter_init(int rank, int *coxeter_matrix, int nmax);
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group_t *coxeter_init_triangle(int p, int q, int r, int nmax);
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void coxeter_clear(group_t *g);
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#endif
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