Python load_lib示例

示例#1

        void __gmpz_tdiv_q_2exp (mpz_t q, const mpz_t n, mp_bitcnt_t b);
        void __gmpz_fdiv_q (mpz_t q, const mpz_t n, const mpz_t d);
        void __gmpz_mul_2exp (mpz_t rop, const mpz_t op1, mp_bitcnt_t op2);
        int __gmpz_tstbit (const mpz_t op, mp_bitcnt_t bit_index);
        int __gmpz_perfect_square_p (const mpz_t op);
        int __gmpz_jacobi (const mpz_t a, const mpz_t b);
        void __gmpz_gcd (mpz_t rop, const mpz_t op1, const mpz_t op2);
        UNIX_ULONG __gmpz_gcd_ui (mpz_t rop, const mpz_t op1,
                                     UNIX_ULONG op2);
        void __gmpz_lcm (mpz_t rop, const mpz_t op1, const mpz_t op2);
        int __gmpz_invert (mpz_t rop, const mpz_t op1, const mpz_t op2);
        int __gmpz_divisible_p (const mpz_t n, const mpz_t d);
        int __gmpz_divisible_ui_p (const mpz_t n, UNIX_ULONG d);
        """

lib = load_lib("gmp", gmp_defs)
implementation = {"library": "gmp", "api": backend}

if hasattr(lib, "__mpir_version"):
    raise ImportError("MPIR library detected")

if sys.platform == "win32":
    raise ImportError("Not using GMP on Windows")

# In order to create a function that returns a pointer to
# a new MPZ structure, we need to break the abstraction
# and know exactly what ffi backend we have
if implementation["api"] == "ctypes":
    from ctypes import Structure, c_int, c_void_p, byref

    class _MPZ(Structure):

示例#2

        void __gmpz_mul_2exp (mpz_t rop, const mpz_t op1, mp_bitcnt_t op2);
        int __gmpz_tstbit (const mpz_t op, mp_bitcnt_t bit_index);
        int __gmpz_perfect_square_p (const mpz_t op);
        int __gmpz_jacobi (const mpz_t a, const mpz_t b);
        void __gmpz_gcd (mpz_t rop, const mpz_t op1, const mpz_t op2);
        UNIX_ULONG __gmpz_gcd_ui (mpz_t rop, const mpz_t op1,
                                     UNIX_ULONG op2);
        void __gmpz_lcm (mpz_t rop, const mpz_t op1, const mpz_t op2);
        int __gmpz_invert (mpz_t rop, const mpz_t op1, const mpz_t op2);
        int __gmpz_divisible_p (const mpz_t n, const mpz_t d);
        int __gmpz_divisible_ui_p (const mpz_t n, UNIX_ULONG d);
        """

try:
    gmp_defs = "typedef unsigned long UNIX_ULONG;" + gmp_defs_common
    lib = load_lib("gmp", gmp_defs)
    implementation = {"library": "gmp", "api": backend}
except OSError:
    import platform
    bits, linkage = platform.architecture()
    if bits.startswith("64") and linkage.startswith("Win"):
        # MPIR uses unsigned long long where GMP uses unsigned long
        # (LLP64 vs LP64)
        gmp_defs = "typedef unsigned long long UNIX_ULONG;" + gmp_defs_common
        c_ulong = c_ulonglong
    # Try to load private MPIR lib first (wheel)
    try:
        from Cryptodome.Util._file_system import pycryptodome_filename

        mpir_dll = pycryptodome_filename(("Cryptodome", "Math"), "mpir.dll")
        lib = load_lib(mpir_dll, gmp_defs)

示例#3

文件： _Numbers_gmp.py 项目： chevah/python-package

        void __gmpz_tdiv_q_2exp (mpz_t q, const mpz_t n, mp_bitcnt_t b);
        void __gmpz_fdiv_q (mpz_t q, const mpz_t n, const mpz_t d);
        void __gmpz_mul_2exp (mpz_t rop, const mpz_t op1, mp_bitcnt_t op2);
        int __gmpz_tstbit (const mpz_t op, mp_bitcnt_t bit_index);
        int __gmpz_perfect_square_p (const mpz_t op);
        int __gmpz_jacobi (const mpz_t a, const mpz_t b);
        void __gmpz_gcd (mpz_t rop, const mpz_t op1, const mpz_t op2);
        UNIX_ULONG __gmpz_gcd_ui (mpz_t rop, const mpz_t op1,
                                     UNIX_ULONG op2);
        void __gmpz_lcm (mpz_t rop, const mpz_t op1, const mpz_t op2);
        int __gmpz_invert (mpz_t rop, const mpz_t op1, const mpz_t op2);
        int __gmpz_divisible_p (const mpz_t n, const mpz_t d);
        int __gmpz_divisible_ui_p (const mpz_t n, UNIX_ULONG d);
        """

lib = load_lib("gmp", gmp_defs)
implementation = { "library":"gmp", "api":backend }

if hasattr(lib, "__mpir_version"):
    raise ImportError("MPIR library detected")

if sys.platform == "win32":
    raise ImportError("Not using GMP on Windows")

# In order to create a function that returns a pointer to
# a new MPZ structure, we need to break the abstraction
# and know exactly what ffi backend we have
if implementation["api"] == "ctypes":
    from ctypes import Structure, c_int, c_void_p, byref

    class _MPZ(Structure):

示例#4

文件： _Numbers_gmp.py 项目： FndNur1Labs/PokemonGo-DesktopMap

        void __gmpz_mul_2exp (mpz_t rop, const mpz_t op1, mp_bitcnt_t op2);
        int __gmpz_tstbit (const mpz_t op, mp_bitcnt_t bit_index);
        int __gmpz_perfect_square_p (const mpz_t op);
        int __gmpz_jacobi (const mpz_t a, const mpz_t b);
        void __gmpz_gcd (mpz_t rop, const mpz_t op1, const mpz_t op2);
        UNIX_ULONG __gmpz_gcd_ui (mpz_t rop, const mpz_t op1,
                                     UNIX_ULONG op2);
        void __gmpz_lcm (mpz_t rop, const mpz_t op1, const mpz_t op2);
        int __gmpz_invert (mpz_t rop, const mpz_t op1, const mpz_t op2);
        int __gmpz_divisible_p (const mpz_t n, const mpz_t d);
        int __gmpz_divisible_ui_p (const mpz_t n, UNIX_ULONG d);
        """

try:
    gmp_defs = "typedef unsigned long UNIX_ULONG;" + gmp_defs_common
    lib = load_lib("gmp", gmp_defs)
    implementation = { "library":"gmp", "api":backend }
except OSError:
    import platform
    bits, linkage = platform.architecture()
    if bits.startswith("64") and linkage.startswith("Win"):
        # MPIR uses unsigned long long where GMP uses unsigned long
        # (LLP64 vs LP64)
        gmp_defs = "typedef unsigned long long UNIX_ULONG;" + gmp_defs_common
        c_ulong = c_ulonglong
    # Try to load private MPIR lib first (wheel)
    try:
        from Cryptodome.Util._file_system import pycryptodome_filename

        mpir_dll = pycryptodome_filename(("Cryptodome", "Math"), "mpir.dll")
        lib = load_lib(mpir_dll, gmp_defs)