37 lines
740 B
C
37 lines
740 B
C
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#ifndef WEYL_H
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#define WEYL_H
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#include <inttypes.h>
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typedef struct {
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char series;
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int rank;
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} simple_type_t;
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typedef struct {
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int n;
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simple_type_t *factors;
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} semisimple_type_t;
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typedef uint64_t weylid_t;
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typedef struct {
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int *left;
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int *right;
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int opposite;
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weylid_t id;
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} weylgroup_element_t;
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int weyl_rank(semisimple_type_t type);
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int weyl_order(semisimple_type_t type);
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int weyl_hyperplanes(semisimple_type_t type);
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void weyl_cartan_matrix(semisimple_type_t type, int *m);
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int weyl_opposition(semisimple_type_t type, int simple_root);
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weylgroup_element_t *weyl_alloc(semisimple_type_t type);
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void weyl_free(weylgroup_element_t *x);
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void weyl_generate(semisimple_type_t type, weylgroup_element_t *group);
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#endif
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