static void eml_qrsolve(const emxArray_real_T *A, emxArray_real_T *B,
emxArray_real_T *Y)
{
emxArray_real_T *b_A;
real_T wj;
real_T s;
int32_T mn;
int32_T nmip1;
int32_T itemp;
emxArray_real_T *tau;
emxArray_int32_T *jpvt;
emxArray_real_T *work;
int32_T m;
int32_T n;
int32_T b_mn;
emxArray_real_T *vn1;
emxArray_real_T *vn2;
int32_T k;
int32_T ix;
int32_T i;
int32_T i_i;
int32_T nmi;
int32_T mmi;
real_T rankR;
real_T y;
boolean_T exitg1;
uint32_T unnamed_idx_0;
b_emxInit_real_T(&b_A, 2);
wj = (real_T)A->size[0];
s = (real_T)A->size[1];
if (wj <= s) {
s = wj;
}
mn = (int32_T)s - 1;
nmip1 = b_A->size[0] * b_A->size[1];
b_A->size[0] = A->size[0];
b_A->size[1] = A->size[1];
emxEnsureCapacity((emxArray__common *)b_A, nmip1, (int32_T)sizeof(real_T));
itemp = A->size[0] * A->size[1] - 1;
for (nmip1 = 0; nmip1 <= itemp; nmip1++) {
b_A->data[nmip1] = A->data[nmip1];
}
emxInit_real_T(&tau, 1);
emxInit_int32_T(&jpvt, 2);
emxInit_real_T(&work, 1);
m = A->size[0];
n = A->size[1];
if (m <= n) {
b_mn = m;
} else {
b_mn = n;
}
nmip1 = tau->size[0];
tau->size[0] = b_mn;
emxEnsureCapacity((emxArray__common *)tau, nmip1, (int32_T)sizeof(real_T));
eml_signed_integer_colon(n, jpvt);
nmip1 = work->size[0];
work->size[0] = n;
emxEnsureCapacity((emxArray__common *)work, nmip1, (int32_T)sizeof(real_T));
itemp = n - 1;
for (nmip1 = 0; nmip1 <= itemp; nmip1++) {
work->data[nmip1] = 0.0;
}
emxInit_real_T(&vn1, 1);
emxInit_real_T(&vn2, 1);
nmip1 = vn1->size[0];
vn1->size[0] = n;
emxEnsureCapacity((emxArray__common *)vn1, nmip1, (int32_T)sizeof(real_T));
nmip1 = vn2->size[0];
vn2->size[0] = vn1->size[0];
emxEnsureCapacity((emxArray__common *)vn2, nmip1, (int32_T)sizeof(real_T));
k = 1;
for (ix = 0; ix + 1 <= n; ix++) {
vn1->data[ix] = eml_xnrm2(m, A, k);
vn2->data[ix] = vn1->data[ix];
k += m;
}
for (i = 0; i + 1 <= b_mn; i++) {
i_i = i + i * m;
nmi = (n - i) - 1;
mmi = (m - i) - 1;
nmip1 = 1 + nmi;
if (nmip1 < 1) {
itemp = -1;
} else {
itemp = 0;
if (nmip1 > 1) {
ix = i;
wj = fabs(vn1->data[i]);
for (k = 2; k <= nmip1; k++) {
ix++;
s = fabs(vn1->data[ix]);
if (s > wj) {
itemp = k - 1;
wj = s;
}
}
}
}
nmip1 = i + itemp;
if (nmip1 + 1 != i + 1) {
eml_xswap(m, b_A, m * nmip1 + 1, 1, m * i + 1, 1);
itemp = jpvt->data[nmip1];
jpvt->data[nmip1] = jpvt->data[i];
jpvt->data[i] = itemp;
vn1->data[nmip1] = vn1->data[i];
vn2->data[nmip1] = vn2->data[i];
}
if (i + 1 < m) {
k = i_i + 2;
rankR = b_A->data[i_i];
y = 0.0;
if (mmi + 1 <= 0) {
} else {
wj = eml_xnrm2(mmi, b_A, k);
if (wj != 0.0) {
s = rt_hypotd_snf(fabs(b_A->data[i_i]), wj);
if (b_A->data[i_i] >= 0.0) {
s = -s;
}
if (fabs(s) < 1.0020841800044864E-292) {
nmip1 = 0;
do {
nmip1++;
eml_xscal(mmi, 9.9792015476736E+291, b_A, k);
s *= 9.9792015476736E+291;
rankR *= 9.9792015476736E+291;
} while (!(fabs(s) >= 1.0020841800044864E-292));
wj = eml_xnrm2(mmi, b_A, k);
s = rt_hypotd_snf(fabs(rankR), wj);
if (rankR >= 0.0) {
s = -s;
}
y = (s - rankR) / s;
eml_xscal(mmi, 1.0 / (rankR - s), b_A, k);
for (k = 1; k <= nmip1; k++) {
s *= 1.0020841800044864E-292;
}
rankR = s;
} else {
y = (s - b_A->data[i_i]) / s;
wj = 1.0 / (b_A->data[i_i] - s);
eml_xscal(mmi, wj, b_A, k);
rankR = s;
}
}
}
tau->data[i] = y;
} else {
wj = b_A->data[i_i];
rankR = b_A->data[i_i];
b_A->data[i_i] = wj;
tau->data[i] = 0.0;
}
b_A->data[i_i] = rankR;
if (i + 1 < n) {
rankR = b_A->data[i_i];
b_A->data[i_i] = 1.0;
eml_matlab_zlarf(mmi + 1, nmi, i_i + 1, tau->data[i], b_A, (i + (i + 1) *
m) + 1, m, work);
b_A->data[i_i] = rankR;
}
for (ix = i + 1; ix + 1 <= n; ix++) {
if (vn1->data[ix] != 0.0) {
s = fabs(b_A->data[i + b_A->size[0] * ix]) / vn1->data[ix];
y = s * s;
s = 1.0 - s * s;
if (1.0 - y < 0.0) {
s = 0.0;
}
wj = vn1->data[ix] / vn2->data[ix];
if (s * (wj * wj) <= 1.4901161193847656E-8) {
if (i + 1 < m) {
k = (i + m * ix) + 1;
y = 0.0;
if (mmi < 1) {
} else if (mmi == 1) {
y = fabs(b_A->data[k]);
} else {
wj = 2.2250738585072014E-308;
itemp = k + mmi;
while (k + 1 <= itemp) {
s = fabs(b_A->data[k]);
if (s > wj) {
rankR = wj / s;
y = 1.0 + y * rankR * rankR;
wj = s;
} else {
rankR = s / wj;
y += rankR * rankR;
}
k++;
}
y = wj * sqrt(y);
}
vn1->data[ix] = y;
vn2->data[ix] = vn1->data[ix];
} else {
vn1->data[ix] = 0.0;
vn2->data[ix] = 0.0;
}
} else {
vn1->data[ix] *= sqrt(s);
}
}
}
}
emxFree_real_T(&vn2);
emxFree_real_T(&vn1);
emxFree_real_T(&work);
rankR = 0.0;
k = 0;
exitg1 = FALSE;
while ((exitg1 == 0U) && (k <= mn)) {
wj = (real_T)A->size[0];
s = (real_T)A->size[1];
if (wj >= s) {
s = wj;
}
if (fabs(b_A->data[k + b_A->size[0] * k]) <= s * fabs(b_A->data[0]) *
2.2204460492503131E-16) {
exitg1 = TRUE;
} else {
rankR++;
k++;
}
}
unnamed_idx_0 = (uint32_T)A->size[1];
nmip1 = Y->size[0];
Y->size[0] = (int32_T)unnamed_idx_0;
emxEnsureCapacity((emxArray__common *)Y, nmip1, (int32_T)sizeof(real_T));
itemp = (int32_T)unnamed_idx_0 - 1;
for (nmip1 = 0; nmip1 <= itemp; nmip1++) {
Y->data[nmip1] = 0.0;
}
for (ix = 0; ix <= mn; ix++) {
if (tau->data[ix] != 0.0) {
wj = B->data[ix];
nmip1 = A->size[0] + (int32_T)(1.0 - ((1.0 + (real_T)ix) + 1.0));
for (i = 0; i <= nmip1 - 1; i++) {
unnamed_idx_0 = ((uint32_T)ix + (uint32_T)i) + 2U;
wj += b_A->data[((int32_T)unnamed_idx_0 + b_A->size[0] * ix) - 1] *
B->data[(int32_T)unnamed_idx_0 - 1];
}
wj *= tau->data[ix];
if (wj != 0.0) {
B->data[ix] -= wj;
nmip1 = A->size[0] + (int32_T)(1.0 - ((1.0 + (real_T)ix) + 1.0));
for (i = 0; i <= nmip1 - 1; i++) {
unnamed_idx_0 = ((uint32_T)ix + (uint32_T)i) + 2U;
B->data[(int32_T)unnamed_idx_0 - 1] -= b_A->data[((int32_T)
unnamed_idx_0 + b_A->size[0] * ix) - 1] * wj;
}
}
}
}
emxFree_real_T(&tau);
for (i = 0; i <= (int32_T)rankR - 1; i++) {
Y->data[jpvt->data[(int32_T)(1.0 + (real_T)i) - 1] - 1] = B->data[(int32_T)
(1.0 + (real_T)i) - 1];
}
for (ix = 0; ix <= (int32_T)-(1.0 + (-1.0 - rankR)) - 1; ix++) {
wj = rankR + -(real_T)ix;
Y->data[jpvt->data[(int32_T)wj - 1] - 1] = eml_div(Y->data[jpvt->data
[(int32_T)wj - 1] - 1], b_A->data[((int32_T)wj + b_A->size[0] * ((int32_T)
wj - 1)) - 1]);
for (i = 0; i <= (int32_T)wj - 2; i++) {
Y->data[jpvt->data[(int32_T)(1.0 + (real_T)i) - 1] - 1] -= Y->data
[jpvt->data[(int32_T)wj - 1] - 1] * b_A->data[((int32_T)(1.0 + (real_T)i)
+ b_A->size[0] * ((int32_T)wj - 1)) - 1];
}
}
emxFree_int32_T(&jpvt);
emxFree_real_T(&b_A);
}
/*
* Arguments : const double A[900]
* double S[30]
* Return Type : void
*/
static void eml_xgesvd(const double A[900], double S[30])
{
double b_A[900];
double s[30];
double e[30];
double work[30];
int i;
int q;
double ztest0;
int qs;
int qjj;
int m;
double rt;
double ztest;
int iter;
double tiny;
double snorm;
int32_T exitg3;
boolean_T exitg2;
double f;
double varargin_1[5];
double mtmp;
boolean_T exitg1;
double sqds;
memcpy(&b_A[0], &A[0], 900U * sizeof(double));
for (i = 0; i < 30; i++) {
s[i] = 0.0;
e[i] = 0.0;
work[i] = 0.0;
}
for (q = 0; q < 29; q++) {
i = q + 30 * q;
ztest0 = eml_xnrm2(30 - q, b_A, i + 1);
if (ztest0 > 0.0) {
if (b_A[i] < 0.0) {
s[q] = -ztest0;
} else {
s[q] = ztest0;
}
eml_xscal(30 - q, eml_div(1.0, s[q]), b_A, i + 1);
b_A[i]++;
s[q] = -s[q];
} else {
s[q] = 0.0;
}
for (qs = q + 1; qs + 1 < 31; qs++) {
qjj = q + 30 * qs;
if (s[q] != 0.0) {
eml_xaxpy(30 - q, -eml_div(eml_xdotc(30 - q, b_A, i + 1, b_A, qjj + 1),
b_A[q + 30 * q]), i + 1, b_A, qjj + 1);
}
e[qs] = b_A[qjj];
}
if (q + 1 <= 28) {
ztest0 = b_eml_xnrm2(29 - q, e, q + 2);
if (ztest0 == 0.0) {
e[q] = 0.0;
} else {
if (e[q + 1] < 0.0) {
e[q] = -ztest0;
} else {
e[q] = ztest0;
}
b_eml_xscal(29 - q, eml_div(1.0, e[q]), e, q + 2);
e[q + 1]++;
}
e[q] = -e[q];
if (e[q] != 0.0) {
for (i = q + 1; i + 1 < 31; i++) {
work[i] = 0.0;
}
for (qs = q + 1; qs + 1 < 31; qs++) {
b_eml_xaxpy(29 - q, e[qs], b_A, (q + 30 * qs) + 2, work, q + 2);
}
for (qs = q + 1; qs + 1 < 31; qs++) {
c_eml_xaxpy(29 - q, eml_div(-e[qs], e[q + 1]), work, q + 2, b_A, (q +
30 * qs) + 2);
}
}
}
}
m = 28;
s[29] = b_A[899];
e[28] = b_A[898];
e[29] = 0.0;
for (q = 0; q < 30; q++) {
ztest0 = e[q];
if (s[q] != 0.0) {
rt = fabs(s[q]);
ztest = eml_div(s[q], rt);
s[q] = rt;
if (q + 1 < 30) {
ztest0 = eml_div(e[q], ztest);
}
}
if ((q + 1 < 30) && (ztest0 != 0.0)) {
rt = fabs(ztest0);
ztest = eml_div(rt, ztest0);
ztest0 = rt;
s[q + 1] *= ztest;
}
e[q] = ztest0;
}
iter = 0;
tiny = eml_div(2.2250738585072014E-308, 2.2204460492503131E-16);
snorm = 0.0;
for (i = 0; i < 30; i++) {
ztest0 = fabs(s[i]);
ztest = fabs(e[i]);
if ((ztest0 >= ztest) || rtIsNaN(ztest)) {
} else {
ztest0 = ztest;
}
if ((snorm >= ztest0) || rtIsNaN(ztest0)) {
} else {
snorm = ztest0;
}
}
while ((m + 2 > 0) && (!(iter >= 75))) {
i = m;
do {
exitg3 = 0;
q = i + 1;
if (i + 1 == 0) {
exitg3 = 1;
} else {
ztest0 = fabs(e[i]);
if ((ztest0 <= 2.2204460492503131E-16 * (fabs(s[i]) + fabs(s[i + 1]))) ||
(ztest0 <= tiny) || ((iter > 20) && (ztest0 <=
2.2204460492503131E-16 * snorm))) {
e[i] = 0.0;
exitg3 = 1;
} else {
i--;
}
}
} while (exitg3 == 0);
if (i + 1 == m + 1) {
i = 4;
} else {
qs = m + 2;
qjj = m + 2;
exitg2 = false;
while ((!exitg2) && (qjj >= i + 1)) {
qs = qjj;
if (qjj == i + 1) {
exitg2 = true;
} else {
ztest0 = 0.0;
if (qjj < m + 2) {
ztest0 = fabs(e[qjj - 1]);
}
if (qjj > i + 2) {
ztest0 += fabs(e[qjj - 2]);
}
ztest = fabs(s[qjj - 1]);
if ((ztest <= 2.2204460492503131E-16 * ztest0) || (ztest <= tiny)) {
s[qjj - 1] = 0.0;
exitg2 = true;
} else {
qjj--;
}
}
}
if (qs == i + 1) {
i = 3;
} else if (qs == m + 2) {
i = 1;
} else {
i = 2;
q = qs;
}
}
switch (i) {
case 1:
f = e[m];
e[m] = 0.0;
for (i = m; i + 1 >= q + 1; i--) {
ztest0 = s[i];
eml_xrotg(&ztest0, &f, &ztest, &rt);
s[i] = ztest0;
if (i + 1 > q + 1) {
f = -rt * e[i - 1];
e[i - 1] *= ztest;
}
}
break;
case 2:
f = e[q - 1];
e[q - 1] = 0.0;
while (q + 1 <= m + 2) {
eml_xrotg(&s[q], &f, &ztest, &rt);
f = -rt * e[q];
e[q] *= ztest;
q++;
}
break;
case 3:
varargin_1[0] = fabs(s[m + 1]);
varargin_1[1] = fabs(s[m]);
varargin_1[2] = fabs(e[m]);
varargin_1[3] = fabs(s[q]);
varargin_1[4] = fabs(e[q]);
i = 1;
mtmp = varargin_1[0];
if (rtIsNaN(varargin_1[0])) {
qs = 2;
exitg1 = false;
while ((!exitg1) && (qs < 6)) {
i = qs;
if (!rtIsNaN(varargin_1[qs - 1])) {
mtmp = varargin_1[qs - 1];
exitg1 = true;
} else {
qs++;
}
}
}
if (i < 5) {
while (i + 1 < 6) {
if (varargin_1[i] > mtmp) {
mtmp = varargin_1[i];
}
i++;
}
}
f = eml_div(s[m + 1], mtmp);
ztest0 = eml_div(s[m], mtmp);
ztest = eml_div(e[m], mtmp);
sqds = eml_div(s[q], mtmp);
rt = eml_div((ztest0 + f) * (ztest0 - f) + ztest * ztest, 2.0);
ztest0 = f * ztest;
ztest0 *= ztest0;
ztest = 0.0;
if ((rt != 0.0) || (ztest0 != 0.0)) {
ztest = sqrt(rt * rt + ztest0);
if (rt < 0.0) {
ztest = -ztest;
}
ztest = eml_div(ztest0, rt + ztest);
}
f = (sqds + f) * (sqds - f) + ztest;
ztest0 = sqds * eml_div(e[q], mtmp);
for (i = q + 1; i <= m + 1; i++) {
eml_xrotg(&f, &ztest0, &ztest, &rt);
if (i > q + 1) {
e[i - 2] = f;
}
f = ztest * s[i - 1] + rt * e[i - 1];
e[i - 1] = ztest * e[i - 1] - rt * s[i - 1];
ztest0 = rt * s[i];
s[i] *= ztest;
s[i - 1] = f;
eml_xrotg(&s[i - 1], &ztest0, &ztest, &rt);
f = ztest * e[i - 1] + rt * s[i];
s[i] = -rt * e[i - 1] + ztest * s[i];
ztest0 = rt * e[i];
e[i] *= ztest;
}
e[m] = f;
iter++;
break;
default:
if (s[q] < 0.0) {
s[q] = -s[q];
}
i = q + 1;
while ((q + 1 < 30) && (s[q] < s[i])) {
rt = s[q];
s[q] = s[i];
s[i] = rt;
q = i;
i++;
}
iter = 0;
m--;
break;
}
}
memcpy(&S[0], &s[0], 30U * sizeof(double));
}
static void eml_xgesvd(const real32_T A[9], real32_T U[9], real32_T S[3],
real32_T V[9])
{
real32_T b_A[9];
int32_T i;
real32_T s[3];
real32_T e[3];
real32_T work[3];
real32_T Vf[9];
int32_T q;
int32_T qs;
real32_T ztest0;
int32_T ii;
real32_T ztest;
int32_T m;
real32_T rt;
int32_T iter;
real32_T tiny;
real32_T snorm;
int32_T exitg3;
boolean_T exitg2;
real32_T sn;
real32_T varargin_1[5];
boolean_T exitg1;
real32_T sqds;
real32_T b;
for (i = 0; i < 9; i++) {
b_A[i] = A[i];
}
for (i = 0; i < 3; i++) {
s[i] = 0.0F;
e[i] = 0.0F;
work[i] = 0.0F;
}
for (i = 0; i < 9; i++) {
U[i] = 0.0F;
Vf[i] = 0.0F;
}
for (q = 0; q < 2; q++) {
qs = q + 3 * q;
ztest0 = eml_xnrm2(3 - q, b_A, qs + 1);
if (ztest0 > 0.0F) {
if (b_A[qs] < 0.0F) {
s[q] = -ztest0;
} else {
s[q] = ztest0;
}
eml_xscal(3 - q, b_eml_div(1.0, s[q]), b_A, qs + 1);
b_A[qs]++;
s[q] = -s[q];
} else {
s[q] = 0.0F;
}
for (ii = q + 1; ii + 1 < 4; ii++) {
i = q + 3 * ii;
if (s[q] != 0.0F) {
ztest0 = -eml_div(eml_xdotc(3 - q, b_A, qs + 1, b_A, i + 1), b_A[q + 3 *
q]);
eml_xaxpy(3 - q, ztest0, qs + 1, b_A, i + 1);
}
e[ii] = b_A[i];
}
for (ii = q; ii + 1 < 4; ii++) {
U[ii + 3 * q] = b_A[ii + 3 * q];
}
if (q + 1 <= 1) {
ztest0 = b_eml_xnrm2(2, e, 2);
if (ztest0 == 0.0F) {
e[0] = 0.0F;
} else {
if (e[1] < 0.0F) {
ztest = -ztest0;
} else {
ztest = ztest0;
}
if (e[1] < 0.0F) {
e[0] = -ztest0;
} else {
e[0] = ztest0;
}
b_eml_xscal(2, b_eml_div(1.0, ztest), e, 2);
e[1]++;
}
e[0] = -e[0];
if (e[0] != 0.0F) {
for (ii = 2; ii < 4; ii++) {
work[ii - 1] = 0.0F;
}
for (ii = 1; ii + 1 < 4; ii++) {
b_eml_xaxpy(2, e[ii], b_A, 2 + 3 * ii, work, 2);
}
for (ii = 1; ii + 1 < 4; ii++) {
c_eml_xaxpy(2, eml_div(-e[ii], e[1]), work, 2, b_A, 2 + 3 * ii);
}
}
for (ii = 1; ii + 1 < 4; ii++) {
Vf[ii] = e[ii];
}
}
}
m = 1;
s[2] = b_A[8];
e[1] = b_A[7];
e[2] = 0.0F;
for (ii = 0; ii < 3; ii++) {
U[6 + ii] = 0.0F;
}
U[8] = 1.0F;
for (q = 1; q > -1; q += -1) {
qs = q + 3 * q;
if (s[q] != 0.0F) {
for (ii = q + 1; ii + 1 < 4; ii++) {
i = (q + 3 * ii) + 1;
ztest0 = -eml_div(eml_xdotc(3 - q, U, qs + 1, U, i), U[qs]);
eml_xaxpy(3 - q, ztest0, qs + 1, U, i);
}
for (ii = q; ii + 1 < 4; ii++) {
U[ii + 3 * q] = -U[ii + 3 * q];
}
U[qs]++;
ii = 1;
while (ii <= q) {
U[3] = 0.0F;
ii = 2;
}
} else {
for (ii = 0; ii < 3; ii++) {
U[ii + 3 * q] = 0.0F;
}
U[qs] = 1.0F;
}
}
for (q = 2; q > -1; q += -1) {
if ((q + 1 <= 1) && (e[0] != 0.0F)) {
for (ii = 2; ii < 4; ii++) {
i = 2 + 3 * (ii - 1);
ztest0 = -eml_div(eml_xdotc(2, Vf, 2, Vf, i), Vf[1]);
eml_xaxpy(2, ztest0, 2, Vf, i);
}
}
for (ii = 0; ii < 3; ii++) {
Vf[ii + 3 * q] = 0.0F;
}
Vf[q + 3 * q] = 1.0F;
}
for (q = 0; q < 3; q++) {
ztest0 = e[q];
if (s[q] != 0.0F) {
rt = (real32_T)fabs(s[q]);
ztest = eml_div(s[q], rt);
s[q] = rt;
if (q + 1 < 3) {
ztest0 = eml_div(e[q], ztest);
}
eml_xscal(3, ztest, U, 3 * q + 1);
}
if ((q + 1 < 3) && (ztest0 != 0.0F)) {
rt = (real32_T)fabs(ztest0);
ztest = eml_div(rt, ztest0);
ztest0 = rt;
s[q + 1] *= ztest;
eml_xscal(3, ztest, Vf, 3 * (q + 1) + 1);
}
e[q] = ztest0;
}
iter = 0;
tiny = eml_div(1.17549435E-38F, 1.1920929E-7F);
snorm = 0.0F;
for (ii = 0; ii < 3; ii++) {
ztest0 = (real32_T)fabs(s[ii]);
ztest = (real32_T)fabs(e[ii]);
if ((ztest0 >= ztest) || rtIsNaNF(ztest)) {
ztest = ztest0;
}
if ((snorm >= ztest) || rtIsNaNF(ztest)) {
} else {
snorm = ztest;
}
}
while ((m + 2 > 0) && (!(iter >= 75))) {
ii = m;
do {
exitg3 = 0;
q = ii + 1;
if (ii + 1 == 0) {
exitg3 = 1;
} else {
ztest0 = (real32_T)fabs(e[ii]);
if ((ztest0 <= 1.1920929E-7F * ((real32_T)fabs(s[ii]) + (real32_T)fabs
(s[ii + 1]))) || (ztest0 <= tiny) || ((iter > 20) && (ztest0 <=
1.1920929E-7F * snorm))) {
e[ii] = 0.0F;
exitg3 = 1;
} else {
ii--;
}
}
} while (exitg3 == 0);
if (ii + 1 == m + 1) {
i = 4;
} else {
qs = m + 2;
i = m + 2;
exitg2 = FALSE;
while ((exitg2 == FALSE) && (i >= ii + 1)) {
qs = i;
if (i == ii + 1) {
exitg2 = TRUE;
} else {
ztest0 = 0.0F;
if (i < m + 2) {
ztest0 = (real32_T)fabs(e[i - 1]);
}
if (i > ii + 2) {
ztest0 += (real32_T)fabs(e[i - 2]);
}
ztest = (real32_T)fabs(s[i - 1]);
if ((ztest <= 1.1920929E-7F * ztest0) || (ztest <= tiny)) {
s[i - 1] = 0.0F;
exitg2 = TRUE;
} else {
i--;
}
}
}
if (qs == ii + 1) {
i = 3;
} else if (qs == m + 2) {
i = 1;
} else {
i = 2;
q = qs;
}
}
switch (i) {
case 1:
ztest = e[m];
e[m] = 0.0F;
for (ii = m; ii + 1 >= q + 1; ii--) {
ztest0 = s[ii];
eml_xrotg(&ztest0, &ztest, &rt, &sn);
s[ii] = ztest0;
if (ii + 1 > q + 1) {
ztest = -sn * e[0];
e[0] *= rt;
}
eml_xrot(Vf, 3 * ii + 1, 3 * (m + 1) + 1, rt, sn);
}
break;
case 2:
ztest = e[q - 1];
e[q - 1] = 0.0F;
for (ii = q; ii + 1 <= m + 2; ii++) {
eml_xrotg(&s[ii], &ztest, &rt, &sn);
ztest = -sn * e[ii];
e[ii] *= rt;
eml_xrot(U, 3 * ii + 1, 3 * (q - 1) + 1, rt, sn);
}
break;
case 3:
varargin_1[0] = (real32_T)fabs(s[m + 1]);
varargin_1[1] = (real32_T)fabs(s[m]);
varargin_1[2] = (real32_T)fabs(e[m]);
varargin_1[3] = (real32_T)fabs(s[q]);
varargin_1[4] = (real32_T)fabs(e[q]);
i = 1;
sn = varargin_1[0];
if (rtIsNaNF(varargin_1[0])) {
ii = 2;
exitg1 = FALSE;
while ((exitg1 == FALSE) && (ii < 6)) {
i = ii;
if (!rtIsNaNF(varargin_1[ii - 1])) {
sn = varargin_1[ii - 1];
exitg1 = TRUE;
} else {
ii++;
}
}
}
if (i < 5) {
while (i + 1 < 6) {
if (varargin_1[i] > sn) {
sn = varargin_1[i];
}
i++;
}
}
rt = eml_div(s[m + 1], sn);
ztest0 = eml_div(s[m], sn);
ztest = eml_div(e[m], sn);
sqds = eml_div(s[q], sn);
b = c_eml_div((ztest0 + rt) * (ztest0 - rt) + ztest * ztest, 2.0);
ztest0 = rt * ztest;
ztest0 *= ztest0;
ztest = 0.0F;
if ((b != 0.0F) || (ztest0 != 0.0F)) {
ztest = (real32_T)sqrt(b * b + ztest0);
if (b < 0.0F) {
ztest = -ztest;
}
ztest = eml_div(ztest0, b + ztest);
}
ztest += (sqds + rt) * (sqds - rt);
ztest0 = sqds * eml_div(e[q], sn);
for (ii = q + 1; ii <= m + 1; ii++) {
eml_xrotg(&ztest, &ztest0, &rt, &sn);
if (ii > q + 1) {
e[0] = ztest;
}
ztest = rt * s[ii - 1];
ztest0 = sn * e[ii - 1];
e[ii - 1] = rt * e[ii - 1] - sn * s[ii - 1];
b = s[ii];
s[ii] *= rt;
eml_xrot(Vf, 3 * (ii - 1) + 1, 3 * ii + 1, rt, sn);
s[ii - 1] = ztest + ztest0;
ztest0 = sn * b;
eml_xrotg(&s[ii - 1], &ztest0, &rt, &sn);
ztest = rt * e[ii - 1] + sn * s[ii];
s[ii] = -sn * e[ii - 1] + rt * s[ii];
ztest0 = sn * e[ii];
e[ii] *= rt;
eml_xrot(U, 3 * (ii - 1) + 1, 3 * ii + 1, rt, sn);
}
e[m] = ztest;
iter++;
break;
default:
if (s[q] < 0.0F) {
s[q] = -s[q];
eml_xscal(3, -1.0F, Vf, 3 * q + 1);
}
i = q + 1;
while ((q + 1 < 3) && (s[q] < s[i])) {
rt = s[q];
s[q] = s[i];
s[i] = rt;
eml_xswap(Vf, 3 * q + 1, 3 * (q + 1) + 1);
eml_xswap(U, 3 * q + 1, 3 * (q + 1) + 1);
q = i;
i++;
}
iter = 0;
m--;
break;
}
}
for (ii = 0; ii < 3; ii++) {
S[ii] = s[ii];
for (i = 0; i < 3; i++) {
V[i + 3 * ii] = Vf[i + 3 * ii];
}
}
}
void eml_xgesvd(const float A[25], float U[25], float S[5], float V[25])
{
float b_A[25];
float s[5];
float e[5];
float work[5];
int kase;
int q;
int iter;
boolean_T apply_transform;
float ztest0;
int qp1jj;
int qs;
int m;
float rt;
float ztest;
float snorm;
int32_T exitg3;
boolean_T exitg2;
float f;
float varargin_1[5];
float mtmp;
boolean_T exitg1;
float sqds;
float mtmp_inv;
for (int k=0;k<25;k++)
b_A[k] = A[k];
//mem_fp_cpy(&b_A[0], &A[0], 25);
//memcpy(&b_A[0], &A[0], 25U * sizeof(float));
for (kase = 0; kase < 5; kase++) {
s[kase] = 0.0F;
e[kase] = 0.0F;
work[kase] = 0.0F;
}
for (kase = 0; kase < 25; kase++) {
U[kase] = 0.0F;
V[kase] = 0.0F;
}
for (q = 0; q < 4; q++) {
iter = q + 5 * q;
apply_transform = false;
ztest0 = eml_xnrm2(5 - q, b_A, iter + 1);
if (ztest0 > 0.0F) {
apply_transform = true;
if (b_A[iter] < 0.0F) {
s[q] = -ztest0;
} else {
s[q] = ztest0;
}
if (fAbs(s[q]) >= 9.86076132E-32F) {
ztest0 = fDiv(1.0F, s[q]);
kase = (iter - q) + 5;
for (qp1jj = iter; qp1jj + 1 <= kase; qp1jj++) {
b_A[qp1jj] *= ztest0;
}
} else {
kase = (iter - q) + 5;
for (qp1jj = iter; qp1jj + 1 <= kase; qp1jj++) {
b_A[qp1jj] = fDiv(b_A[qp1jj],s[q]);
}
}
b_A[iter]++;
s[q] = -s[q];
} else {
s[q] = 0.0F;
}
for (qs = q + 1; qs + 1 < 6; qs++) {
kase = q + 5 * qs;
if (apply_transform) {
eml_xaxpy(5 - q, -(fDiv(eml_xdotc(5 - q, b_A, iter + 1, b_A, kase + 1), b_A[q + 5 * q])), iter + 1, b_A, kase + 1);
}
e[qs] = b_A[kase];
}
for (qp1jj = q; qp1jj + 1 < 6; qp1jj++) {
U[qp1jj + 5 * q] = b_A[qp1jj + 5 * q];
}
if (q + 1 <= 3) {
ztest0 = b_eml_xnrm2(4 - q, e, q + 2);
if (ztest0 == 0.0F) {
e[q] = 0.0F;
} else {
if (e[q + 1] < 0.0F) {
e[q] = -ztest0;
} else {
e[q] = ztest0;
}
ztest0 = e[q];
if (fAbs(e[q]) >= 9.86076132E-32F) {
ztest0 = fDiv(1.0F, e[q]);
for (qp1jj = q + 1; qp1jj + 1 < 6; qp1jj++) {
e[qp1jj] *= ztest0;
}
} else {
for (qp1jj = q + 1; qp1jj + 1 < 6; qp1jj++) {
e[qp1jj] = fDiv(e[qp1jj],ztest0);
}
}
e[q + 1]++;
e[q] = -e[q];
for (qp1jj = q + 1; qp1jj + 1 < 6; qp1jj++) {
work[qp1jj] = 0.0F;
}
for (qs = q + 1; qs + 1 < 6; qs++) {
b_eml_xaxpy(4 - q, e[qs], b_A, (q + 5 * qs) + 2, work, q + 2);
}
for (qs = q + 1; qs + 1 < 6; qs++) {
c_eml_xaxpy(4 - q, -fDiv(e[qs], e[q + 1]), work, q + 2, b_A, (q + 5 * qs) +
2);
}
}
for (qp1jj = q + 1; qp1jj + 1 < 6; qp1jj++) {
V[qp1jj + 5 * q] = e[qp1jj];
}
}
}
m = 3;
s[4] = b_A[24];
e[3] = b_A[23];
e[4] = 0.0F;
for (qp1jj = 0; qp1jj < 5; qp1jj++) {
U[20 + qp1jj] = 0.0F;
}
U[24] = 1.0F;
for (q = 3; q > -1; q += -1) {
iter = q + 5 * q;
if (s[q] != 0.0F) {
for (qs = q + 1; qs + 1 < 6; qs++) {
kase = (q + 5 * qs) + 1;
eml_xaxpy(5 - q, -(fDiv(eml_xdotc(5 - q, U, iter + 1, U, kase), U[iter])),
iter + 1, U, kase);
}
for (qp1jj = q; qp1jj + 1 < 6; qp1jj++) {
U[qp1jj + 5 * q] = -U[qp1jj + 5 * q];
}
U[iter]++;
for (qp1jj = 1; qp1jj <= q; qp1jj++) {
U[(qp1jj + 5 * q) - 1] = 0.0F;
}
} else {
for (qp1jj = 0; qp1jj < 5; qp1jj++) {
U[qp1jj + 5 * q] = 0.0F;
}
U[iter] = 1.0F;
}
}
for (q = 4; q > -1; q += -1) {
if ((q + 1 <= 3) && (e[q] != 0.0F)) {
kase = (q + 5 * q) + 2;
for (qs = q + 1; qs + 1 < 6; qs++) {
qp1jj = (q + 5 * qs) + 2;
eml_xaxpy(4 - q, -(fDiv(eml_xdotc(4 - q, V, kase, V, qp1jj), V[kase - 1])),
kase, V, qp1jj);
}
}
for (qp1jj = 0; qp1jj < 5; qp1jj++) {
V[qp1jj + 5 * q] = 0.0F;
}
V[q + 5 * q] = 1.0F;
}
for (q = 0; q < 5; q++) {
ztest0 = e[q];
if (s[q] != 0.0F) {
rt = fAbs(s[q]);
ztest = fDiv(s[q], rt);
s[q] = rt;
if (q + 1 < 5) {
ztest0 = fDiv(e[q], ztest);
}
eml_xscal(ztest, U, 1 + 5 * q);
}
if ((q + 1 < 5) && (ztest0 != 0.0F)) {
rt = fAbs(ztest0);
ztest = fDiv(rt, ztest0);
ztest0 = rt;
s[q + 1] *= ztest;
eml_xscal(ztest, V, 1 + 5 * (q + 1));
}
e[q] = ztest0;
}
iter = 0;
snorm = 0.0F;
for (qp1jj = 0; qp1jj < 5; qp1jj++) {
ztest0 = fAbs(s[qp1jj]);
ztest = fAbs(e[qp1jj]);
if ((ztest0 >= ztest) || fIsNan(ztest)) {
} else {
ztest0 = ztest;
}
if ((snorm >= ztest0) || fIsNan(ztest0)) {
} else {
snorm = ztest0;
}
}
while ((m + 2 > 0) && (!(iter >= 75))) {
qp1jj = m;
do {
exitg3 = 0;
q = qp1jj + 1;
if (qp1jj + 1 == 0) {
exitg3 = 1;
} else {
ztest0 = fAbs(e[qp1jj]);
if ((ztest0 <= 1.1920929E-7F * (fAbs(s[qp1jj]) + fAbs(s[qp1jj + 1]))) || (ztest0 <= 9.86076132E-32F) || ((iter > 20)
&& (ztest0 <= 1.1920929E-7F * snorm))) {
e[qp1jj] = 0.0F;
exitg3 = 1;
} else {
qp1jj--;
}
}
} while (exitg3 == 0);
if (qp1jj + 1 == m + 1) {
kase = 4;
} else {
qs = m + 2;
kase = m + 2;
exitg2 = false;
while ((!exitg2) && (kase >= qp1jj + 1)) {
qs = kase;
if (kase == qp1jj + 1) {
exitg2 = true;
} else {
ztest0 = 0.0F;
if (kase < m + 2) {
ztest0 = fAbs(e[kase - 1]);
}
if (kase > qp1jj + 2) {
ztest0 += fAbs(e[kase - 2]);
}
ztest = fAbs(s[kase - 1]);
if ((ztest <= 1.1920929E-7F * ztest0) || (ztest <= 9.86076132E-32F)) {
s[kase - 1] = 0.0F;
exitg2 = true;
} else {
kase--;
}
}
}
if (qs == qp1jj + 1) {
kase = 3;
} else if (qs == m + 2) {
kase = 1;
} else {
kase = 2;
q = qs;
}
}
switch (kase) {
case 1:
f = e[m];
e[m] = 0.0F;
for (qp1jj = m; qp1jj + 1 >= q + 1; qp1jj--) {
ztest0 = s[qp1jj];
eml_xrotg(&ztest0, &f, &ztest, &rt);
s[qp1jj] = ztest0;
if (qp1jj + 1 > q + 1) {
f = -rt * e[qp1jj - 1];
e[qp1jj - 1] *= ztest;
}
eml_xrot(V, 1 + 5 * qp1jj, 1 + 5 * (m + 1), ztest, rt);
}
break;
case 2:
f = e[q - 1];
e[q - 1] = 0.0F;
for (qp1jj = q; qp1jj + 1 <= m + 2; qp1jj++) {
eml_xrotg(&s[qp1jj], &f, &ztest, &rt);
f = -rt * e[qp1jj];
e[qp1jj] *= ztest;
eml_xrot(U, 1 + 5 * qp1jj, 1 + 5 * (q - 1), ztest, rt);
}
break;
case 3:
varargin_1[0] = fAbs(s[m + 1]);
varargin_1[1] = fAbs(s[m]);
varargin_1[2] = fAbs(e[m]);
varargin_1[3] = fAbs(s[q]);
varargin_1[4] = fAbs(e[q]);
kase = 1;
mtmp = varargin_1[0];
if (fIsNan(varargin_1[0])) {
qp1jj = 2;
exitg1 = false;
while ((!exitg1) && (qp1jj < 6)) {
kase = qp1jj;
if (!fIsNan(varargin_1[qp1jj - 1])) {
mtmp = varargin_1[qp1jj - 1];
exitg1 = true;
} else {
qp1jj++;
}
}
}
if (kase < 5) {
while (kase + 1 < 6) {
if (varargin_1[kase] > mtmp) {
mtmp = varargin_1[kase];
}
kase++;
}
}
mtmp_inv = fDiv(1.0F,mtmp);
f = s[m + 1] * mtmp_inv;
ztest0 = s[m] * mtmp_inv;
ztest = e[m] * mtmp_inv;
sqds = s[q] * mtmp_inv;
rt = ((ztest0 + f) * (ztest0 - f) + ztest * ztest) * 0.5F;
ztest0 = f * ztest;
ztest0 *= ztest0;
if ((rt != 0.0F) || (ztest0 != 0.0F)) {
ztest = fSqrt(rt * rt + ztest0);
if (rt < 0.0F) {
ztest = -ztest;
}
ztest = fDiv(ztest0, (rt + ztest));
} else {
ztest = 0.0F;
}
f = (sqds + f) * (sqds - f) + ztest;
ztest0 = sqds * fDiv(e[q], mtmp);
for (qp1jj = q + 1; qp1jj <= m + 1; qp1jj++) {
eml_xrotg(&f, &ztest0, &ztest, &rt);
if (qp1jj > q + 1) {
e[qp1jj - 2] = f;
}
f = ztest * s[qp1jj - 1] + rt * e[qp1jj - 1];
e[qp1jj - 1] = ztest * e[qp1jj - 1] - rt * s[qp1jj - 1];
ztest0 = rt * s[qp1jj];
s[qp1jj] *= ztest;
eml_xrot(V, 1 + 5 * (qp1jj - 1), 1 + 5 * qp1jj, ztest, rt);
s[qp1jj - 1] = f;
eml_xrotg(&s[qp1jj - 1], &ztest0, &ztest, &rt);
f = ztest * e[qp1jj - 1] + rt * s[qp1jj];
s[qp1jj] = -rt * e[qp1jj - 1] + ztest * s[qp1jj];
ztest0 = rt * e[qp1jj];
e[qp1jj] *= ztest;
eml_xrot(U, 1 + 5 * (qp1jj - 1), 1 + 5 * qp1jj, ztest, rt);
}
e[m] = f;
iter++;
break;
default:
if (s[q] < 0.0F) {
s[q] = -s[q];
eml_xscal(-1.0F, V, 1 + 5 * q);
}
kase = q + 1;
while ((q + 1 < 5) && (s[q] < s[kase])) {
rt = s[q];
s[q] = s[kase];
s[kase] = rt;
eml_xswap(V, 1 + 5 * q, 1 + 5 * (q + 1));
eml_xswap(U, 1 + 5 * q, 1 + 5 * (q + 1));
q = kase;
kase++;
}
iter = 0;
m--;
break;
}
}
for (qp1jj = 0; qp1jj < 5; qp1jj++) {
S[qp1jj] = s[qp1jj];
}
}
static void eml_qrsolve(const emxArray_real_T *A, emxArray_real_T *B, double Y[2],
double *rankR)
{
emxArray_real_T *b_A;
int m;
int mn;
int i6;
int itemp;
int b_m;
int b_mn;
double tau_data[2];
signed char jpvt[2];
double work[2];
int i;
int k;
double vn1[2];
double vn2[2];
int pvt;
double smax;
int i_i;
int mmi;
double temp2;
int ix;
int iy;
double atmp;
int lastv;
int lastc;
boolean_T exitg2;
int32_T exitg1;
double t;
unsigned int b_i;
emxInit_real_T(&b_A, 2);
m = A->size[0] - 2;
mn = (int)fmin(A->size[0], 2.0) - 1;
i6 = b_A->size[0] * b_A->size[1];
b_A->size[0] = A->size[0];
b_A->size[1] = 2;
emxEnsureCapacity((emxArray__common *)b_A, i6, (int)sizeof(double));
itemp = A->size[0] * A->size[1];
for (i6 = 0; i6 < itemp; i6++) {
b_A->data[i6] = A->data[i6];
}
b_m = b_A->size[0];
if (b_A->size[0] <= 2) {
b_mn = b_A->size[0];
} else {
b_mn = 2;
}
for (i6 = 0; i6 < 2; i6++) {
jpvt[i6] = (signed char)(1 + i6);
}
if (b_A->size[0] == 0) {
} else {
for (i = 0; i < 2; i++) {
work[i] = 0.0;
}
k = 1;
for (pvt = 0; pvt < 2; pvt++) {
smax = eml_xnrm2(b_m, b_A, k);
vn2[pvt] = smax;
k += b_m;
vn1[pvt] = smax;
}
for (i = 0; i + 1 <= b_mn; i++) {
i_i = i + i * b_m;
mmi = (b_m - i) - 1;
itemp = 0;
if (2 - i > 1) {
smax = fabs(vn1[i]);
k = 2;
while (k <= 2 - i) {
temp2 = fabs(vn1[1]);
if (temp2 > smax) {
itemp = 1;
smax = temp2;
}
k = 3;
}
}
pvt = i + itemp;
if (pvt + 1 != i + 1) {
ix = b_m * pvt;
iy = b_m * i;
for (k = 1; k <= b_m; k++) {
smax = b_A->data[ix];
b_A->data[ix] = b_A->data[iy];
b_A->data[iy] = smax;
ix++;
iy++;
}
itemp = jpvt[pvt];
jpvt[pvt] = jpvt[i];
jpvt[i] = (signed char)itemp;
vn1[pvt] = vn1[i];
vn2[pvt] = vn2[i];
}
if (i + 1 < b_m) {
atmp = b_A->data[i_i];
temp2 = 0.0;
if (1 + mmi <= 0) {
} else {
smax = b_eml_xnrm2(mmi, b_A, i_i + 2);
if (smax != 0.0) {
smax = hypot(b_A->data[i_i], smax);
if (b_A->data[i_i] >= 0.0) {
smax = -smax;
}
if (fabs(smax) < 1.0020841800044864E-292) {
pvt = 0;
do {
pvt++;
eml_xscal(mmi, 9.9792015476736E+291, b_A, i_i + 2);
smax *= 9.9792015476736E+291;
atmp *= 9.9792015476736E+291;
} while (!(fabs(smax) >= 1.0020841800044864E-292));
smax = b_eml_xnrm2(mmi, b_A, i_i + 2);
smax = hypot(atmp, smax);
if (atmp >= 0.0) {
smax = -smax;
}
temp2 = (smax - atmp) / smax;
eml_xscal(mmi, 1.0 / (atmp - smax), b_A, i_i + 2);
for (k = 1; k <= pvt; k++) {
smax *= 1.0020841800044864E-292;
}
atmp = smax;
} else {
temp2 = (smax - b_A->data[i_i]) / smax;
eml_xscal(mmi, 1.0 / (b_A->data[i_i] - smax), b_A, i_i + 2);
atmp = smax;
}
}
}
tau_data[i] = temp2;
} else {
atmp = b_A->data[i_i];
tau_data[i] = eml_matlab_zlarfg();
}
b_A->data[i_i] = atmp;
if (i + 1 < 2) {
atmp = b_A->data[i_i];
b_A->data[i_i] = 1.0;
if (tau_data[0] != 0.0) {
lastv = mmi + 1;
itemp = i_i + mmi;
while ((lastv > 0) && (b_A->data[itemp] == 0.0)) {
lastv--;
itemp--;
}
lastc = 1;
exitg2 = false;
while ((!exitg2) && (lastc > 0)) {
itemp = b_m + 1;
do {
exitg1 = 0;
if (itemp <= b_m + lastv) {
if (b_A->data[itemp - 1] != 0.0) {
exitg1 = 1;
} else {
itemp++;
}
} else {
lastc = 0;
exitg1 = 2;
}
} while (exitg1 == 0);
if (exitg1 == 1) {
exitg2 = true;
}
}
} else {
lastv = 0;
lastc = 0;
}
if (lastv > 0) {
if (lastc == 0) {
} else {
work[0] = 0.0;
iy = 0;
pvt = 1 + b_m;
while ((b_m > 0) && (pvt <= b_m + 1)) {
ix = i_i;
smax = 0.0;
i6 = (pvt + lastv) - 1;
for (itemp = pvt; itemp <= i6; itemp++) {
smax += b_A->data[itemp - 1] * b_A->data[ix];
ix++;
}
work[iy] += smax;
iy++;
pvt += b_m;
}
}
if (-tau_data[0] == 0.0) {
} else {
k = b_m;
iy = 0;
pvt = 1;
while (pvt <= lastc) {
if (work[iy] != 0.0) {
smax = work[iy] * -tau_data[0];
ix = i_i;
i6 = lastv + k;
for (itemp = k; itemp + 1 <= i6; itemp++) {
b_A->data[itemp] += b_A->data[ix] * smax;
ix++;
}
}
iy++;
k += b_m;
pvt = 2;
}
}
}
b_A->data[i_i] = atmp;
}
pvt = i + 2;
while (pvt < 3) {
itemp = (i + b_m) + 1;
if (vn1[1] != 0.0) {
smax = fabs(b_A->data[i + b_A->size[0]]) / vn1[1];
smax = 1.0 - smax * smax;
if (smax < 0.0) {
smax = 0.0;
}
temp2 = vn1[1] / vn2[1];
temp2 = smax * (temp2 * temp2);
if (temp2 <= 1.4901161193847656E-8) {
if (i + 1 < b_m) {
smax = 0.0;
if (mmi < 1) {
} else if (mmi == 1) {
smax = fabs(b_A->data[itemp]);
} else {
temp2 = 2.2250738585072014E-308;
pvt = itemp + mmi;
while (itemp + 1 <= pvt) {
atmp = fabs(b_A->data[itemp]);
if (atmp > temp2) {
t = temp2 / atmp;
smax = 1.0 + smax * t * t;
temp2 = atmp;
} else {
t = atmp / temp2;
smax += t * t;
}
itemp++;
}
smax = temp2 * sqrt(smax);
}
vn1[1] = smax;
vn2[1] = smax;
} else {
vn1[1] = 0.0;
vn2[1] = 0.0;
}
} else {
vn1[1] *= sqrt(smax);
}
}
pvt = 3;
}
}
}
*rankR = 0.0;
if (mn + 1 > 0) {
smax = fmax(A->size[0], 2.0) * fabs(b_A->data[0]) * 2.2204460492503131E-16;
k = 0;
while ((k <= mn) && (!(fabs(b_A->data[k + b_A->size[0] * k]) <= smax))) {
(*rankR)++;
k++;
}
}
for (i = 0; i < 2; i++) {
Y[i] = 0.0;
}
for (pvt = 0; pvt <= mn; pvt++) {
if (tau_data[pvt] != 0.0) {
smax = B->data[pvt];
i6 = m - pvt;
for (i = 0; i <= i6; i++) {
b_i = ((unsigned int)pvt + i) + 2U;
smax += b_A->data[((int)b_i + b_A->size[0] * pvt) - 1] * B->data[(int)
b_i - 1];
}
smax *= tau_data[pvt];
if (smax != 0.0) {
B->data[pvt] -= smax;
i6 = m - pvt;
for (i = 0; i <= i6; i++) {
b_i = ((unsigned int)pvt + i) + 2U;
B->data[(int)b_i - 1] -= b_A->data[((int)b_i + b_A->size[0] * pvt) - 1]
* smax;
}
}
}
}
for (i = 0; i <= mn; i++) {
Y[jpvt[i] - 1] = B->data[i];
}
for (pvt = 0; pvt <= mn; pvt++) {
itemp = mn - pvt;
Y[jpvt[itemp] - 1] /= b_A->data[itemp + b_A->size[0] * itemp];
i = 0;
while (i <= itemp - 1) {
Y[jpvt[0] - 1] -= Y[jpvt[itemp] - 1] * b_A->data[b_A->size[0] * itemp];
i = 1;
}
}
emxFree_real_T(&b_A);
}