Lines Matching defs:pi
31 * return long double precision sinl(pi*x).
36 * 1. If y == z, then x is a multiple of pi/4. Return the following values:
38 * n x mod 2 sin(x*pi) cos(x*pi) tan(x*pi)
51 * n t sin(x*pi) cos(x*pi) tan(x*pi)
63 * NOTE. This program compute sinpi/cospi(t<0.25) by __k_sin/cos(pi*t, 0.0).
65 * than 2 ulp). If one wants accurate result, one may break up pi*t in
97 pi = 3.141592653589793238462643383279502884197e+0000L,
126 y = __k_sinl(pi * fabsl(x), zero);
160 y = __k_sinl(pi * t, zero);
162 y = __k_cosl(pi * t, zero);