本文整理汇总了C++中wxMatrix2D::Ok方法的典型用法代码示例。如果您正苦于以下问题：C++ wxMatrix2D::Ok方法的具体用法？C++ wxMatrix2D::Ok怎么用？C++ wxMatrix2D::Ok使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类wxMatrix2D的用法示例。
在下文中一共展示了wxMatrix2D::Ok方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: wxT
wxMatrix2D wxMatrix2D::Mult(const wxMatrix2D &B) const
{
wxMatrix2D temp;
wxCHECK_MSG(Ok() && B.Ok(), temp, wxT("Invalid matrix"));
wxCHECK_MSG(GetWidth() == B.GetHeight(), temp, wxT("Invalid matrix dimensions for mult"));
int b_width = B.GetWidth();
int i, j, k, width = M_MATRIXDATA->m_width, height = M_MATRIXDATA->m_height;
if (!temp.Create(b_width, height, true))
return temp;
double *data = GetData();
double *b_data = B.GetData();
double *temp_data = temp.GetData();
for (j = 0; j < height; ++j)
{
for (i = 0; i < b_width; ++i)
{
for (k = 0; k < width; ++k)
{
temp_data[j+i*b_width] += data[k+i*width]*b_data[j+k*b_width];
}
}
}
return temp;
}示例2: memcmp
bool wxMatrix2D::IsEqual(const wxMatrix2D& matrix) const
{
if (!Ok() || !matrix.Ok()) return false;
if (GetSize() != matrix.GetSize()) return false;
return memcmp(M_MATRIXDATA->m_data, matrix.GetData(),
M_MATRIXDATA->m_width*M_MATRIXDATA->m_height*sizeof(double)) == 0;
}示例3: Ok
bool wxMatrix2D::Create(const wxMatrix2D &source, bool full_copy)
{
wxCHECK_MSG( source.Ok() && (&source != this), false, wxT("Invalid matrix") );
UnRef();
if (full_copy)
Copy(source);
else
Ref(source);
return Ok();
}示例4: if
wxMatrix2D wxMatrix2D::InsertCols(int col, const wxMatrix2D& matrix) const
{
wxMatrix2D temp;
wxCHECK_MSG(Ok() && matrix.Ok(), temp, wxT("Invalid wxMatrix2D"));
int j, width = M_MATRIXDATA->m_width, height = M_MATRIXDATA->m_height;
wxCHECK_MSG(height == matrix.GetHeight(), temp, wxT("Number of rows must match in InsertRows"));
wxCHECK_MSG((col >= -1) && (col <= width), temp, wxT("Invalid wxMatrix2D"));
if (!temp.Create(width + matrix.GetWidth(), height, false))
return temp;
if (col < 0) col = width; // fix col to be positive, from 0 - width
int matrix_width = matrix.GetWidth();
int temp_width = temp.GetWidth();
double *data = GetData();
double *matrix_data = matrix.GetData();
double *temp_data = temp.GetData();
for (j = 0; j < height; j++)
{
if (col < 1) // prepend the matrix to the beginning
{
memcpy(&temp_data[j*temp_width], &matrix_data[j*matrix_width], sizeof(double)*matrix_width);
memcpy(&temp_data[j*temp_width+matrix_width], &data[j*width], sizeof(double)*width);
}
else if (col >= width) // append the matrix to the end
{
memcpy(&temp_data[j*temp_width], &data[j*width], sizeof(double)*width);
memcpy(&temp_data[j*temp_width+width], &matrix_data[j*matrix_width], sizeof(double)*matrix_width);
}
else // insert the matrix in the middle
{
memcpy(&temp_data[j*temp_width], &data[j*width], sizeof(double)*col);
memcpy(&temp_data[j*temp_width + col], &matrix_data[j*matrix_width], sizeof(double)*matrix_width);
memcpy(&temp_data[j*temp_width + col + matrix_width], &data[j*width+col], sizeof(double)*(width-col));
}
}
return temp;
}