two52
rx = (*x + two52) - two52;
if (y >= two52)
two52 = 4503599627370496.0, /* 43300000,00000000 (used by sin_pi) */
two52 = 4503599627370496.0;
t = (hx >= 0)? two52 : -two52;
two52 = 4503599627370496.0;
t = (hx >= 0)? two52 : -two52;
static const double two52 = 4503599627370496.0;
x *= two52;
static const double two52 = 4503599627370496.0;
x *= two52;
two52 = 4503599627370496.0,
t = (ix < 0)? -two52 : two52;
static const double two52 = 4503599627370496.0;
x *= two52;
xx.d = x * two52;
yy.d = y * two52;
zz.d = z * two52;
static const double two52 = 4503599627370496.0;
x *= two52;
z##N.d *= two52; \