diff options
Diffstat (limited to 'complex.c')
| -rw-r--r-- | complex.c | 48 |
1 files changed, 47 insertions, 1 deletions
@@ -751,6 +751,37 @@ nucomp_fdiv(VALUE self, VALUE other) return f_divide(self, other, f_fdiv, id_fdiv); } +static VALUE +m_log(VALUE x) +{ + if (f_real_p(x) && f_positive_p(x)) + return m_log_bang(x); + return rb_complex_new2(m_log_bang(f_abs(x)), f_arg(x)); +} + +static VALUE +m_exp(VALUE x) +{ + VALUE ere; + + if (f_real_p(x)) + return m_exp_bang(x); + { + get_dat1(x); + ere = m_exp_bang(dat->real); + return rb_complex_new2(f_mul(ere, m_cos_bang(dat->imag)), + f_mul(ere, m_sin_bang(dat->imag))); + } +} + +VALUE +rb_fexpt(VALUE x, VALUE y) +{ + if (f_zero_p(x) || (!k_float_p(x) && !k_float_p(y))) + return f_expt(x, y); + return m_exp(f_mul(m_log(x), y)); +} + /* * call-seq: * cmp ** numeric -> complex @@ -769,7 +800,22 @@ nucomp_expt(VALUE self, VALUE other) return f_complex_new_bang1(CLASS_OF(self), ONE); if (k_rational_p(other) && f_one_p(f_denominator(other))) - other = f_numerator(other); /* good? */ + other = f_numerator(other); /* c14n */ + + if (k_complex_p(other)) { + get_dat1(other); + + if (f_zero_p(dat->imag)) + other = dat->real; /* c14n */ + } + + { + get_dat1(self); + + if (f_zero_p(dat->imag) && f_real_p(other)) + return f_complex_new1(CLASS_OF(self), + rb_fexpt(dat->real, other)); /* c14n */ + } if (k_complex_p(other)) { VALUE r, theta, nr, ntheta; |