qiLow static method

double qiLow(
  1. double w
)

Implementation

static double qiLow(double w) {
  double v = 628.3319653318;
  double t = (w - 4.895062166) / v;
  t -= (53 * t * t + 334116 * math.cos(4.67 + 628.307585 * t) + 2061 * math.cos(2.678 + 628.3076 * t) * t) / v / 10000000;
  double n = 48950621.66 + 6283319653.318 * t + 53 * t * t + 334166 * math.cos(4.669257 + 628.307585 * t) + 3489 * math.cos(4.6261 + 1256.61517 * t) + 2060.6 * math.cos(2.67823 + 628.307585 * t) * t - 994 - 834 * math.sin(2.1824 - 33.75705 * t);
  t -= (n / 10000000 - w) / 628.332 + (32 * (t + 1.8) * (t + 1.8) - 20) / SECOND_PER_DAY / 36525;
  return t * 36525 + ONE_THIRD;
}