if x and y are real, x**y is real indeed and real and imaginary parts
do not need any further expansion.
Merge branch 'pow_real_fix' into all_fixes
fix as commented by smichr
S.Half also for _eval_is_real
add nonnegative assumption to this
Merge branch 'pow_real_fix' into all_fixes
Merge branch 'sqrt_imaginary' into all_fixes
even->odd!!
Merge branch 'sqrt_imaginary' into all_fixes
else->elif is_even
Merge branch 'sqrt_imaginary' into all_fixes
test for bessel with real arguments.
fix as suggested by asmeuer (is_negative implies is_real.)
related assumption in _eval_is_real
Merge branch 'pow_real_fix' into all_fixes
Merge branch 'sqrt_imaginary' into all_fixes
Merge branch 'besselj' into all_fixes
as_real_imag for bessel class
Merge branch 'besselj' into all_fixes
test