Searched defs:d_eta (Results 1 - 2 of 2) sorted by relevance

/external/chromium_org/third_party/mesa/src/src/gallium/state_trackers/vega/
H A Darc.c536 double d_eta = (max_eta - min_eta) / n; local
537 if (d_eta <= 0.5 * M_PI) {
543 eta_b += d_eta;
559 double d_eta, eta_b, cos_eta_b, local
582 d_eta = (arc->eta2 - arc->eta1) / n;
608 t = tan(0.5 * d_eta);
609 alpha = sin(d_eta) * (sqrt(4 + 3 * t * t) - 1) / 3;
618 eta_b += d_eta;
/external/mesa3d/src/gallium/state_trackers/vega/
H A Darc.c536 double d_eta = (max_eta - min_eta) / n; local
537 if (d_eta <= 0.5 * M_PI) {
543 eta_b += d_eta;
559 double d_eta, eta_b, cos_eta_b, local
582 d_eta = (arc->eta2 - arc->eta1) / n;
608 t = tan(0.5 * d_eta);
609 alpha = sin(d_eta) * (sqrt(4 + 3 * t * t) - 1) / 3;
618 eta_b += d_eta;

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