Searched refs:pp (Results 1 – 1 of 1) sorted by relevance
272 SAFE_CALLOC(pp->sums, pp->len+1, sums_t); in calc_sums()275 pp->x0 = pp->pt[0].x; in calc_sums()276 pp->y0 = pp->pt[0].y; in calc_sums()279 pp->sums[0].x2 = pp->sums[0].xy = pp->sums[0].y2 = pp->sums[0].x = pp->sums[0].y = 0; in calc_sums()281 x = pp->pt[i].x - pp->x0; in calc_sums()282 y = pp->pt[i].y - pp->y0; in calc_sums()283 pp->sums[i+1].x = pp->sums[i].x + x; in calc_sums()284 pp->sums[i+1].y = pp->sums[i].y + y; in calc_sums()285 pp->sums[i+1].x2 = pp->sums[i].x2 + x*x; in calc_sums()286 pp->sums[i+1].xy = pp->sums[i].xy + x*y; in calc_sums()[all …]