Lines Matching defs:a1
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;
366 icvGetCoef( double *f1, double *f2, double *a2, double *a1, double *a0 )
371 if( !f1 || !f2 || !a0 || !a1 || !a2 )
386 *a1 = 0;
393 *a1 += G[i] * icvMinor( f2, (int) (i % 3), (int) (i / 3) );
397 *a1 /= a3;
1596 icvGetCoof( double *f1, double *f2, double *a2, double *a1, double *a0 )
1601 if( !f1 || !f2 || !a0 || !a1 || !a2 )
1616 *a1 = 0;
1623 *a1 += G[i] * icvMinor( f2, (int) (i % 3), (int) (i / 3) );
1627 *a1 /= a3;
1699 double a2, a1, a0;
1727 if( icvGetCoef( solutions, solutions + 9, &a2, &a1, &a0 ) == CV_NO_ERR )
1729 icvCubic( a2, a1, a0, squares );
