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clean r1mpyq: remove fortran leftovers

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This commit is contained in:
Thomas Capricelli 2010-01-26 14:08:52 +01:00
parent 55f328b264
commit c04a93df31
2 changed files with 18 additions and 30 deletions
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8
unsupported/Eigen/src/NonLinearOptimization/HybridNonLinearSolver.h
View File

@ -360,8 +360,8 @@ HybridNonLinearSolver<FunctorType,Scalar>::solveOneStep(
/* compute the qr factorization of the updated jacobian. */
ei_r1updt<Scalar>(n, n, R, wa1.data(), wa2.data(), wa3.data(), &sing);
ei_r1mpyq<Scalar>(n, n, fjac.data(), fjac.rows(), wa2.data(), wa3.data());
ei_r1mpyq<Scalar>(1, n, qtf.data(), 1, wa2.data(), wa3.data());
ei_r1mpyq<Scalar>(n, n, fjac.data(), wa2.data(), wa3.data());
ei_r1mpyq<Scalar>(1, n, qtf.data(), wa2.data(), wa3.data());
jeval = false;
}
@ -609,8 +609,8 @@ HybridNonLinearSolver<FunctorType,Scalar>::solveNumericalDiffOneStep(
/* compute the qr factorization of the updated jacobian. */
ei_r1updt<Scalar>(n, n, R, wa1.data(), wa2.data(), wa3.data(), &sing);
ei_r1mpyq<Scalar>(n, n, fjac.data(), fjac.rows(), wa2.data(), wa3.data());
ei_r1mpyq<Scalar>(1, n, qtf.data(), 1, wa2.data(), wa3.data());
ei_r1mpyq<Scalar>(n, n, fjac.data(), wa2.data(), wa3.data());
ei_r1mpyq<Scalar>(1, n, qtf.data(), wa2.data(), wa3.data());
jeval = false;
}

40
unsupported/Eigen/src/NonLinearOptimization/r1mpyq.h
View File

@ -1,29 +1,19 @@
// TODO : move this to GivensQR once there's such a thing in Eigen
template <typename Scalar>
void ei_r1mpyq(int m, int n, Scalar *a, int
lda, const Scalar *v, const Scalar *w)
void ei_r1mpyq(int m, int n, Scalar *a, const Scalar *v, const Scalar *w)
{
/* System generated locals */
int a_dim1, a_offset;
/* Local variables */
int i, j, nmj;
int i, j;
Scalar cos__=0., sin__=0., temp;
/* Parameter adjustments */
--w;
--v;
a_dim1 = lda;
a_offset = 1 + a_dim1 * 1;
a -= a_offset;
/* Function Body */
if (n<=1)
return;
/* apply the first set of givens rotations to a. */
for (nmj = 1; nmj <= n-1; ++nmj) {
j = n - nmj;
for (j = n-2; j>=0; --j) {
if (ei_abs(v[j]) > 1.) {
cos__ = 1. / v[j];
sin__ = ei_sqrt(1. - ei_abs2(cos__));
@ -31,15 +21,14 @@ void ei_r1mpyq(int m, int n, Scalar *a, int
sin__ = v[j];
cos__ = ei_sqrt(1. - ei_abs2(sin__));
}
for (i = 1; i <= m; ++i) {
temp = cos__ * a[i + j * a_dim1] - sin__ * a[i + n * a_dim1];
a[i + n * a_dim1] = sin__ * a[i + j * a_dim1] + cos__ * a[
i + n * a_dim1];
a[i + j * a_dim1] = temp;
for (i = 0; i<m; ++i) {
temp = cos__ * a[i+m*j] - sin__ * a[i+m*(n-1)];
a[i+m*(n-1)] = sin__ * a[i+m*j] + cos__ * a[i+m*(n-1)];
a[i+m*j] = temp;
}
}
/* apply the second set of givens rotations to a. */
for (j = 1; j <= n-1; ++j) {
for (j = 0; j<n-1; ++j) {
if (ei_abs(w[j]) > 1.) {
cos__ = 1. / w[j];
sin__ = ei_sqrt(1. - ei_abs2(cos__));
@ -47,11 +36,10 @@ void ei_r1mpyq(int m, int n, Scalar *a, int
sin__ = w[j];
cos__ = ei_sqrt(1. - ei_abs2(sin__));
}
for (i = 1; i <= m; ++i) {
temp = cos__ * a[i + j * a_dim1] + sin__ * a[i + n * a_dim1];
a[i + n * a_dim1] = -sin__ * a[i + j * a_dim1] + cos__ * a[
i + n * a_dim1];
a[i + j * a_dim1] = temp;
for (i = 0; i<m; ++i) {
temp = cos__ * a[i+m*j] + sin__ * a[i+m*(n-1)];
a[i+m*(n-1)] = -sin__ * a[i+m*j] + cos__ * a[i+m*(n-1)];
a[i+m*j] = temp;
}
}
return;