Lines Matching refs:Sin
72 // -x*G(-x)*G(x) = pi/sin(pi*x),
74 // G(x) = pi/(sin(pi*x)*(-x)*G(-x))
75 // since G(-x) is positive, sign(G(x)) = sign(sin(pi*x)) for x<0
76 // Hence, for x<0, signgam = sign(sin(pi*x)) and
78 // = log(pi/(|x*sin(pi*x)|)) - lgamma(-x);
80 // computation of sin(pi*(-x)).
330 return -Sin(Pi * x)
354 x = Sin(Pi * x)
358 x = Sin(Pi * (1 - x))
362 x = Sin(Pi * (x - 2))
