File size: 701 Bytes
3662621 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 | from cupy import _core
from cupy._math import ufunc
i0 = ufunc.create_math_ufunc(
'cyl_bessel_i0', 1, 'cupy_i0',
'''Modified Bessel function of the first kind, order 0.
.. seealso:: :func:`numpy.i0`
''')
sinc = _core.create_ufunc(
'cupy_sinc',
('e->e', 'f->f', 'd->d',
('F->F', 'in0_type pi_in0 = (in0_type) M_PI * in0;'
'out0 = abs(in0) > 1e-9 ? sin(pi_in0) / (pi_in0) : 1'),
('D->D', 'in0_type pi_in0 = (in0_type) M_PI * in0;'
'out0 = abs(in0) > 1e-9 ? sin(pi_in0) / (pi_in0) : 1')),
'out0 = abs(in0) > 1e-9 ? sinpi(in0) / (M_PI * in0) : 1',
doc='''Elementwise sinc function.
.. seealso:: :func:`numpy.sinc`
''')
|