cgmp.pxd

# Copyright 2009--2019 Mark Dickinson.
#
# This file is part of the bigfloat package.
#
# The bigfloat package is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or (at your
# option) any later version.
#
# The bigfloat package is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
# for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with the bigfloat package.  If not, see <http://www.gnu.org/licenses/>.

cdef extern from "gmp.h":
    # GMP type declarations
    ctypedef int mp_exp_t
    ctypedef unsigned int mp_limb_t

    ctypedef struct __mpz_struct:
        int _mp_alloc
        int _mp_size
        mp_limb_t *_mp_d

    # ctypedef __mpz_struct mpz_t[1]
    ctypedef __mpz_struct *mpz_ptr

    # 5.1 Initialization Functions

    void mpz_init(mpz_ptr x)
    void mpz_clear(mpz_ptr x)

    # 5.2 Assignment Functions

    int mpz_set_str(mpz_ptr rop, const char *str, int base)

    # 5.4 Conversion Functions

    char *mpz_get_str(char *str, int base, const mpz_ptr op)

    # 13 Custom Allocation

    void mp_get_memory_functions(
        void *(**alloc_func_ptr) (size_t),
        void *(**realloc_func_ptr) (void *, size_t, size_t),
        void (**free_func_ptr) (void *, size_t))