39 lines
1.1 KiB
C
39 lines
1.1 KiB
C
#ifndef QEXT_H
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#define QEXT_H
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#include <gmp.h>
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struct qext_type {
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int rank;
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const int *integer_coeffs; // actually the rank+1 coefficients of the polynomial
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mpq_t *coeffs; // components of a^rank
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};
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struct qext_number_internal {
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struct qext_type *type;
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mpq_t *a;
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};
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typedef struct qext_number_internal qext_number[1];
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extern struct qext_type *QT_TRIVIAL;
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extern struct qext_type *QT_SQRT5;
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extern struct qext_type *QT_GAUSS_SQRT5;
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void qext_init(qext_number x, struct qext_type *type);
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void qext_clear(qext_number x);
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void qext_set(qext_number x, qext_number y);
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void qext_set_int(qext_number x, int y);
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void qext_set_q(qext_number x, mpq_t y);
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void qext_add(qext_number result, qext_number x, qext_number y);
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void qext_sub(qext_number result, qext_number x, qext_number y);
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void qext_neg(qext_number result, qext_number x);
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void qext_mul(qext_number out, qext_number x, qext_number y);
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void qext_inv(qext_number out, qext_number in);
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void qext_div(qext_number out, qext_number x, qext_number y);
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int qext_cmp(qext_number x, qext_number y);
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void qext_print(qext_number x);
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void qext_snprint(char *str, size_t len, qext_number x);
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#endif
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