cutcutcodec.core.compilation.sympy_to_torch.printer_atom.c_sin¶

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

C sin operation.

Examples¶

>>> from sympy.abc import x
>>> from sympy.functions.elementary.trigonometric import sin
>>> import numpy as np
>>> from cutcutcodec.core.compilation.sympy_to_torch.lambdify import _lambdify_c
>>> from cutcutcodec.core.compilation.sympy_to_torch.printer import _print_atomic, _printer
>>> func = _lambdify_c(_printer([(x, sin(x))], {}, {x}))
>>> func(np.array([np.nan]))
array([nan])
>>> func(np.array([0.78539816, 1.57079633, 2.35619449, 3.92699082, 4.71238898, 5.49778714]))
array([ 0.70710678,  1.        ,  0.70710678, -0.70710678, -1.        ,
       -0.70710678])
>>> func(np.array([1+1j]))
array([1.29845758+0.63496391j])
>>>