expm1 returns wrong result for -0 + 0 j on CPU #2244
Description
The following example breaks Python array API:
import dpctl, dpctl.tensor as dpt
dpctl.__version__
# Out: '0.22.0dev0+114.g0797836be2'
a = dpt.asarray(complex(-0.0, 0.0), device='cpu')
dpt.expm1(a)
# Out: usm_ndarray(-0.+0.j)
# on GPU the result is expected:
a = dpt.asarray(complex(-0.0, 0.0), device='gpu')
dpt.expm1(a)
# Out: usm_ndarray(0.+0.j)According to the spec:
If a is either +0 or -0 and b is +0, the result is 0 + 0j
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