class TestUfunc:
Undocumented
Try to check presence and results of all ufuncs. The list of ufuncs comes from generate_umath.py and is as follows: ===== ==== ============= =============== ======================== done args function types notes ===== ==== ============= =============== ======================== n 1 conjugate nums + O n 1 absolute nums + O complex -> real n 1 negative nums + O n 1 sign nums + O -> int n 1 invert bool + ints + O flts raise an error n 1 degrees real + M cmplx raise an error n 1 radians real + M cmplx raise an error n 1 arccos flts + M n 1 arccosh flts + M n 1 arcsin flts + M n 1 arcsinh flts + M n 1 arctan flts + M n 1 arctanh flts + M n 1 cos flts + M n 1 sin flts + M n 1 tan flts + M n 1 cosh flts + M n 1 sinh flts + M n 1 tanh flts + M n 1 exp flts + M n 1 expm1 flts + M n 1 log flts + M n 1 log10 flts + M n 1 log1p flts + M n 1 sqrt flts + M real x < 0 raises error n 1 ceil real + M n 1 trunc real + M n 1 floor real + M n 1 fabs real + M n 1 rint flts + M n 1 isnan flts -> bool n 1 isinf flts -> bool n 1 isfinite flts -> bool n 1 signbit real -> bool n 1 modf real -> (frac, int) n 1 logical_not bool + nums + M -> bool n 2 left_shift ints + O flts raise an error n 2 right_shift ints + O flts raise an error n 2 add bool + nums + O boolean + is || n 2 subtract bool + nums + O boolean - is ^ n 2 multiply bool + nums + O boolean * is & n 2 divide nums + O n 2 floor_divide nums + O n 2 true_divide nums + O bBhH -> f, iIlLqQ -> d n 2 fmod nums + M n 2 power nums + O n 2 greater bool + nums + O -> bool n 2 greater_equal bool + nums + O -> bool n 2 less bool + nums + O -> bool n 2 less_equal bool + nums + O -> bool n 2 equal bool + nums + O -> bool n 2 not_equal bool + nums + O -> bool n 2 logical_and bool + nums + M -> bool n 2 logical_or bool + nums + M -> bool n 2 logical_xor bool + nums + M -> bool n 2 maximum bool + nums + O n 2 minimum bool + nums + O n 2 bitwise_and bool + ints + O flts raise an error n 2 bitwise_or bool + ints + O flts raise an error n 2 bitwise_xor bool + ints + O flts raise an error n 2 arctan2 real + M n 2 remainder ints + real + O n 2 hypot real + M ===== ==== ============= =============== ======================== Types other than those listed will be accepted, but they are cast to the smallest compatible type for which the function is defined. The casting rules are: bool -> int8 -> float32 ints -> double
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