function to find active (not marked as finished) iterations Returns ------- list: all active iteration objects (empty if there are none)

function to add a new configuration to the current iteration Parameters ---------- config : valid configuration The configuration to

@brief compute bin centers @param l lower bound @param h upper bound @param bin_size bin size @return array o

@param id_x horizontal index @return bin xh

@param id_y vertical index @return bin yh

@brief routing congestion map based on current cell locations @param params parameters @param placedb placement database

\return true if indice are same or both out of range

Batch Discrete Cosine Transformation without normalization to coefficients. Compute y_u = \sum_i x_i cos(pi*(2i+1)*u/(2N)), Impelements the

Batch Discrete Cosine Transformation without normalization to coefficients. Compute y_u = \sum_i x_i cos(pi*(2i+1)*u/(2N)), Impelements the

compute bounding box from pin shape

==== helper functions ==== compute bounding box from a port shape

\return dimensions

Batch Discrete Sine Transformation without normalization to coefficients. Compute y_u = \sum_i x_i sin(pi*(2i+1)*(u+1)/(2N)), Impelements th

@brief encompass a point @param x @param y

extract low/high information from Direction2DType

\return a range of row indices yl+1 and yh-1 avoid redundant bottom or top rows

\param i node id \return text to be shown on cell

extract x/y information from Direction2DType

Compute 2*exp(-1j*pi*(u+1)/(2N)), but not exactly the same. The actual return is 2*cos(pi*(u+1)/(2N)), 2*sin(pi*(u+1)/(2N))

Batch Inverse Discrete Cosine Transformation without normalization to coefficients. Compute y_u = \sum_i x_i cos(pi*(2u+1)*i/(2N)), Impeleme

@brief initialize data members after reading @param params parameters

@brief compute initial density weight @param params parameters @param placedb placement database

@brief initialize data members from raw database @param params parameters

function to invert the differencing

registers finished runs Every time a run has finished, this function should be called to register it with the result logger. If overwritten, m

functions for routing information

\return total number of sub rows

@brief print welcome message

@brief convert to python database @param raw_db original placement database

@brief read .pl file @param pl_file .pl file