cutcutcodec.core.compilation.sympy_to_torch.printer_atom.c_pow_pos_integer¶

cutcutcodec.core.compilation.sympy_to_torch.printer_atom.c_pow_pos_integer(out: Symbol, indexing: defaultdict[Symbol, str], c_type: str, base: Atom, exp: Atom) → tuple[set[str], set[Symbol], list[str]][source]¶

Manage the special case of power where the exponant is a positive integer.

Examples¶

>>> from collections import defaultdict
>>> from sympy.abc import x, y
>>> from cutcutcodec.core.compilation.sympy_to_torch.printer import c_pow_pos_integer
>>>
>>> # case allocation in new var
>>> c_pow_pos_integer(y, defaultdict(lambda: ""), "float", x, 0)
(set(), set(), ['y = 1.0f;'])
>>> c_pow_pos_integer(y, defaultdict(lambda: ""), "float", x, 1)
(set(), set(), ['y = x;'])
>>> c_pow_pos_integer(y, defaultdict(lambda: ""), "float", x, 2)
(set(), set(), ['y = x * x;'])
>>> c_pow_pos_integer(y, defaultdict(lambda: ""), "float", x, 3)
(set(), set(), ['y = x * x;', 'y *= x;'])
>>> c_pow_pos_integer(y, defaultdict(lambda: ""), "float", x, 4)
(set(), set(), ['y = x * x;', 'y *= y;'])
>>> c_pow_pos_integer(y, defaultdict(lambda: ""), "float", x, 5)
(set(), set(), ['y = x * x;', 'y *= y;', 'y *= x;'])
>>> c_pow_pos_integer(y, defaultdict(lambda: ""), "float", x, 6)
(set(), {_buf}, ['y = x * x;', '_buf = y;', 'y *= y;', 'y *= _buf;'])
>>> c_pow_pos_integer(y, defaultdict(lambda: ""), "float", x, 7)
(set(), {_buf}, ['y = x * x;', '_buf = x * y;', 'y *= y;', 'y *= _buf;'])
>>> c_pow_pos_integer(y, defaultdict(lambda: ""), "float", x, 8)
(set(), set(), ['y = x * x;', 'y *= y;', 'y *= y;'])
>>> c_pow_pos_integer(y, defaultdict(lambda: ""), "float", x, 9)
(set(), set(), ['y = x * x;', 'y *= y;', 'y *= y;', 'y *= x;'])
>>> c_pow_pos_integer(y, defaultdict(lambda: ""), "float", x, 10)
(set(), {_buf}, ['y = x * x;', '_buf = y;', 'y *= y;', 'y *= y;', 'y *= _buf;'])
>>>
>>> # case allocation inplace
>>> c_pow_pos_integer(x, defaultdict(lambda: ""), "float", x, 0)
(set(), set(), ['x = 1.0f;'])
>>> c_pow_pos_integer(x, defaultdict(lambda: ""), "float", x, 1)
(set(), set(), ['x = x;'])
>>> c_pow_pos_integer(x, defaultdict(lambda: ""), "float", x, 2)
(set(), set(), ['x *= x;'])
>>> c_pow_pos_integer(x, defaultdict(lambda: ""), "float", x, 3)
(set(), {_buf}, ['_buf = x;', 'x *= x;', 'x *= _buf;'])
>>> c_pow_pos_integer(x, defaultdict(lambda: ""), "float", x, 4)
(set(), set(), ['x *= x;', 'x *= x;'])
>>> c_pow_pos_integer(x, defaultdict(lambda: ""), "float", x, 5)
(set(), {_buf}, ['_buf = x;', 'x *= x;', 'x *= x;', 'x *= _buf;'])
>>> c_pow_pos_integer(x, defaultdict(lambda: ""), "float", x, 6)
(set(), {_buf}, ['x *= x;', '_buf = x;', 'x *= x;', 'x *= _buf;'])
>>> c_pow_pos_integer(x, defaultdict(lambda: ""), "float", x, 7)
(set(), {_buf}, ['_buf = x;', 'x *= x;', '_buf *= x;', 'x *= x;', 'x *= _buf;'])
>>> c_pow_pos_integer(x, defaultdict(lambda: ""), "float", x, 8)
(set(), set(), ['x *= x;', 'x *= x;', 'x *= x;'])
>>> c_pow_pos_integer(x, defaultdict(lambda: ""), "float", x, 9)
(set(), {_buf}, ['_buf = x;', 'x *= x;', 'x *= x;', 'x *= x;', 'x *= _buf;'])
>>> c_pow_pos_integer(x, defaultdict(lambda: ""), "float", x, 10)
(set(), {_buf}, ['x *= x;', '_buf = x;', 'x *= x;', 'x *= x;', 'x *= _buf;'])
>>>