Searched refs:quad_lin (Results 1 – 1 of 1) sorted by relevance
| /dports/science/py-scipy/scipy-1.7.1/scipy/optimize/_trlib/ |
| H A D | trlib_leftmost.c | 79 trlib_flt_t quad_lin = 0.0; // linear coefficient in quadratic model in trlib_leftmost_irreducible() local
240 quad_lin = -(2.0*(*leftmost)+prlp+((*leftmost)-leftmost_minor)*dprlp); in trlib_leftmost_irreducible()
241 quad_abs = -(((*leftmost)-leftmost_minor)*prlp+(*leftmost)*(quad_lin+(*leftmost))); in trlib_leftmost_irreducible()
242 …trlib_quadratic_zero(quad_abs, quad_lin, TRLIB_EPS_POW_75, 0, 0, "", NULL, &leftmost_attempt, &zer… in trlib_leftmost_irreducible()
248 quad_lin = -(prlp + ((*leftmost)-leftmost_minor)*dprlp); in trlib_leftmost_irreducible()
250 …if ( warm == 4 || fabs(quad_qua) <= TRLIB_EPS * TRLIB_EPS || quad_lin*quad_lin - 4.0*quad_qua*quad… in trlib_leftmost_irreducible()
251 … model_type = 3; dleftmost = -quad_abs/quad_lin; leftmost_attempt = *leftmost + dleftmost; in trlib_leftmost_irreducible()
254 quad_lin = quad_lin/quad_qua; in trlib_leftmost_irreducible()
256 … trlib_quadratic_zero(quad_abs, quad_lin, TRLIB_EPS_POW_75, 0, 0, "", NULL, &dleftmost, &zerodum); in trlib_leftmost_irreducible()
271 quad_lin = -(prlp + ((*leftmost)-leftmost_minor)*dprlp); in trlib_leftmost_irreducible()
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