Lines Matching defs:dt
57 double dx, dy, du, dv, dt, dc, ds, dp, dq, dr;
110 dt = (hx >= 0)? 0.25 : 0.75;
112 dt = -dt;
114 sincospi(dt * du, &ds, &dc);
152 dt = dhalf * log1p((dx - 1.0) * (dx + 1.0) + dy * dy);
154 dt = dhalf * log1p((dy - 1.0) * (dy + 1.0) + dx * dx);
156 dt = dhalf * log(dx * dx + dy * dy);
159 dr = exp(du * dt);
162 dr = exp(du * dt - dv * dp * dpi);
163 dq = du * dp + dv * dt * dinvpi;