Lines Matching defs:a2
197 icvCubic( double a2, double a1, double a0, double *squares )
206 p = a1 - a2 * a2 / 3;
207 q = (9 * a1 * a2 - 27 * a0 - 2 * a2 * a2 * a2) / 27;
241 x[i][0] = -a2 / 3;
271 x[i][0] = cos( fi1 / 3. + 2 * CV_PI * (i % 3) / 3. ) * c1 - a2 / 3;
286 x[i][0] = cos( fi2 / 3. + 2 * CV_PI * (i % 3) / 3. ) * b1 - a2 / 3;
366 icvGetCoef( double *f1, double *f2, double *a2, double *a1, double *a0 )
371 if( !f1 || !f2 || !a0 || !a1 || !a2 )
385 *a2 = 0;
392 *a2 += f2[i] * icvMinor( G, (int) (i % 3), (int) (i / 3) );
398 *a2 /= a3;
1596 icvGetCoof( double *f1, double *f2, double *a2, double *a1, double *a0 )
1601 if( !f1 || !f2 || !a0 || !a1 || !a2 )
1615 *a2 = 0;
1622 *a2 += f2[i] * icvMinor( G, (int) (i % 3), (int) (i / 3) );
1628 *a2 /= a3;
1699 double a2, a1, a0;
1727 if( icvGetCoef( solutions, solutions + 9, &a2, &a1, &a0 ) == CV_NO_ERR )
1729 icvCubic( a2, a1, a0, squares );
