mirror of
https://gitlab.com/libeigen/eigen.git
synced 2025-08-13 04:09:10 +08:00
move ipvt/fortran fixing deeper
This commit is contained in:
parent
950eb4a254
commit
88f5d06b08
@ -198,9 +198,7 @@ L200:
|
|||||||
|
|
||||||
/* determine the levenberg-marquardt parameter. */
|
/* determine the levenberg-marquardt parameter. */
|
||||||
|
|
||||||
ipvt.cwise()+=1; // lmpar() expects the fortran convention (as qrfac provides)
|
|
||||||
ei_lmpar<Scalar>(fjac, ipvt, diag, qtf, delta, par, wa1, wa2);
|
ei_lmpar<Scalar>(fjac, ipvt, diag, qtf, delta, par, wa1, wa2);
|
||||||
ipvt.cwise()-=1;
|
|
||||||
|
|
||||||
/* store the direction p and x + p. calculate the norm of p. */
|
/* store the direction p and x + p. calculate the norm of p. */
|
||||||
|
|
||||||
|
@ -194,9 +194,7 @@ L200:
|
|||||||
|
|
||||||
/* determine the levenberg-marquardt parameter. */
|
/* determine the levenberg-marquardt parameter. */
|
||||||
|
|
||||||
ipvt.cwise()+=1; // lmpar() expects the fortran convention (as qrfac provides)
|
|
||||||
ei_lmpar<Scalar>(fjac, ipvt, diag, qtf, delta, par, wa1, wa2);
|
ei_lmpar<Scalar>(fjac, ipvt, diag, qtf, delta, par, wa1, wa2);
|
||||||
ipvt.cwise()-=1;
|
|
||||||
|
|
||||||
/* store the direction p and x + p. calculate the norm of p. */
|
/* store the direction p and x + p. calculate the norm of p. */
|
||||||
|
|
||||||
|
@ -2,7 +2,7 @@
|
|||||||
template <typename Scalar>
|
template <typename Scalar>
|
||||||
void ei_lmpar(
|
void ei_lmpar(
|
||||||
Matrix< Scalar, Dynamic, Dynamic > &r,
|
Matrix< Scalar, Dynamic, Dynamic > &r,
|
||||||
const VectorXi &ipvt,
|
VectorXi &ipvt, // TODO : const once ipvt mess fixed
|
||||||
const Matrix< Scalar, Dynamic, 1 > &diag,
|
const Matrix< Scalar, Dynamic, 1 > &diag,
|
||||||
const Matrix< Scalar, Dynamic, 1 > &qtb,
|
const Matrix< Scalar, Dynamic, 1 > &qtb,
|
||||||
Scalar delta,
|
Scalar delta,
|
||||||
@ -50,7 +50,7 @@ void ei_lmpar(
|
|||||||
}
|
}
|
||||||
|
|
||||||
for (j = 0; j < n; ++j) {
|
for (j = 0; j < n; ++j) {
|
||||||
l = ipvt[j]-1;
|
l = ipvt[j];
|
||||||
x[l] = wa1[j];
|
x[l] = wa1[j];
|
||||||
}
|
}
|
||||||
|
|
||||||
@ -73,7 +73,7 @@ void ei_lmpar(
|
|||||||
if (nsing < n-1)
|
if (nsing < n-1)
|
||||||
goto L120;
|
goto L120;
|
||||||
for (j = 0; j < n; ++j) {
|
for (j = 0; j < n; ++j) {
|
||||||
l = ipvt[j]-1;
|
l = ipvt[j];
|
||||||
wa1[j] = diag[l] * (wa2[l] / dxnorm);
|
wa1[j] = diag[l] * (wa2[l] / dxnorm);
|
||||||
}
|
}
|
||||||
for (j = 0; j < n; ++j) {
|
for (j = 0; j < n; ++j) {
|
||||||
@ -92,7 +92,7 @@ L120:
|
|||||||
sum = 0.;
|
sum = 0.;
|
||||||
for (i = 0; i <= j; ++i)
|
for (i = 0; i <= j; ++i)
|
||||||
sum += r(i,j) * qtb[i];
|
sum += r(i,j) * qtb[i];
|
||||||
l = ipvt[j]-1;
|
l = ipvt[j];
|
||||||
wa1[j] = sum / diag[l];
|
wa1[j] = sum / diag[l];
|
||||||
}
|
}
|
||||||
gnorm = wa1.stableNorm();
|
gnorm = wa1.stableNorm();
|
||||||
@ -122,7 +122,9 @@ L150:
|
|||||||
temp = ei_sqrt(par);
|
temp = ei_sqrt(par);
|
||||||
wa1 = temp * diag;
|
wa1 = temp * diag;
|
||||||
|
|
||||||
|
ipvt.cwise()+=1; // qrsolv() expects the fortran convention (as qrfac provides)
|
||||||
ei_qrsolv<Scalar>(n, r.data(), r.rows(), ipvt.data(), wa1.data(), qtb.data(), x.data(), sdiag.data(), wa2.data());
|
ei_qrsolv<Scalar>(n, r.data(), r.rows(), ipvt.data(), wa1.data(), qtb.data(), x.data(), sdiag.data(), wa2.data());
|
||||||
|
ipvt.cwise()-=1;
|
||||||
|
|
||||||
wa2 = diag.cwise() * x;
|
wa2 = diag.cwise() * x;
|
||||||
dxnorm = wa2.blueNorm();
|
dxnorm = wa2.blueNorm();
|
||||||
@ -141,7 +143,7 @@ L150:
|
|||||||
/* compute the newton correction. */
|
/* compute the newton correction. */
|
||||||
|
|
||||||
for (j = 0; j < n; ++j) {
|
for (j = 0; j < n; ++j) {
|
||||||
l = ipvt[j]-1;
|
l = ipvt[j];
|
||||||
wa1[j] = diag[l] * (wa2[l] / dxnorm);
|
wa1[j] = diag[l] * (wa2[l] / dxnorm);
|
||||||
/* L180: */
|
/* L180: */
|
||||||
}
|
}
|
||||||
|
@ -216,9 +216,7 @@ L240:
|
|||||||
|
|
||||||
/* determine the levenberg-marquardt parameter. */
|
/* determine the levenberg-marquardt parameter. */
|
||||||
|
|
||||||
ipvt.cwise()+=1; // lmpar() expects the fortran convention (as qrfac provides)
|
|
||||||
ei_lmpar<Scalar>(fjac, ipvt, diag, qtf, delta, par, wa1, wa2);
|
ei_lmpar<Scalar>(fjac, ipvt, diag, qtf, delta, par, wa1, wa2);
|
||||||
ipvt.cwise()-=1;
|
|
||||||
|
|
||||||
/* store the direction p and x + p. calculate the norm of p. */
|
/* store the direction p and x + p. calculate the norm of p. */
|
||||||
|
|
||||||
|
Loading…
x
Reference in New Issue
Block a user