Lines Matching refs:sigxx
43 sigxx = 0; in clear()
65 sigxx += x * x; in add()
90 sigxx -= x * x; in remove()
113 cubetemp = sigxxx * n - (long double) sigxx *sigx; in fit()
118 squaretemp = (long double) sigxx *n - (long double) sigx *sigx; in fit()
120 top96 += squaretemp * ((long double) sigxx * sigy - sigxxy * n); in fit()
124 bottom96 -= squaretemp * (sigxxxx * n - (long double) sigxx * sigxx); in fit()
128 top96 = ((long double) sigxx * sigx - sigxxx * n) * a in fit()
130 bottom96 = (long double) sigxx *n - (long double) sigx *sigx; in fit()
133 c = (sigy - a * sigxx - b * sigx) / n; in fit()
141 b = (sigxy * n - sigx * sigy) / (sigxx * n - sigx * sigx); in fit()