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matrix fixes (signatures work now)

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This commit is contained in:
Mirek Kratochvil 2012-06-11 09:53:24 +02:00
parent 16d1ebd78b
commit a4cf4c9706
1 changed files with 7 additions and 0 deletions
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7
lib/matrix.cpp
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@ -113,6 +113,7 @@ bool matrix::get_left_square (matrix&r)
{
uint h = height();
if (width() < h) return false;
r.clear();
r.resize (h);
for (uint i = 0; i < h; ++i) r[i] = item (i);
return true;
@ -122,6 +123,7 @@ bool matrix::strip_left_square (matrix&r)
{
uint h = height(), w = width();
if (w < h) return false;
r.clear();
r.resize (w - h);
for (uint i = 0; i < w - h; ++i) r[i] = item (h + i);
return true;
@ -131,6 +133,7 @@ bool matrix::get_right_square (matrix&r)
{
uint h = height(), w = width();
if (w < h) return false;
r.clear();
r.resize (h);
for (uint i = 0; i < h; ++i) r[i] = item (w - h + i);
return true;
@ -140,6 +143,7 @@ bool matrix::strip_right_square (matrix&r)
{
uint h = height(), w = width();
if (w < h) return false;
r.clear();
r.resize (w - h);
for (uint i = 0; i < w - h; ++i) r[i] = item (i);
return true;
@ -149,6 +153,7 @@ void matrix::extend_left_compact (matrix&r)
{
uint i;
uint h = height(), w = width();
r.clear();
r.resize (h + w);
for (i = 0; i < h; ++i) {
r[i].resize (h, 0);
@ -185,6 +190,7 @@ bool matrix::mult_vecT_left (const bvector&a, bvector&r)
{
uint w = width(), h = height();
if (a.size() != h) return false;
r.clear();
r.resize (w, 0);
for (uint i = 0; i < w; ++i) {
bool t = 0;
@ -199,6 +205,7 @@ bool matrix::mult_vec_right (const bvector&a, bvector&r)
{
uint w = width(), h = height();
if (a.size() != w) return false;
r.clear();
r.resize (h, 0);
for (uint i = 0; i < w; ++i)
if (a[i]) r.add (item (i) );