Lines Matching defs:pi
33 * *s = sin(pi*x); *c = cos(pi*x);
38 * 1. If y == z, then x is a multiple of pi/4. Return the following values:
40 * n x mod 2 sin(x*pi) cos(x*pi) tan(x*pi)
53 * n t sin(x*pi) cos(x*pi) tan(x*pi)
65 * NOTE. This program compute sinpi/cospi(t<0.25) by __k_sin/cos(pi*t, 0.0).
67 * than 2 ulp). If one wants accurate result, one may break up pi*t in
81 pi = 3.14159265358979323846, /* 400921FB,54442D18 */
135 *s = __k_sincos(pi * fabs(x), 0.0, c);
177 *s = __k_sincos(pi * t, 0.0, c);
179 *c = __k_sincos(pi * t, 0.0, s);