place_inc.c File Reference

#include <stdlib.h>
#include <limits.h>
#include <assert.h>
#include <string.h>
#include "place_base.h"
#include "place_gordian.h"

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Functions
ABC_NAMESPACE_IMPL_START int	sqHashId (int id, int max)
float	fastEstimate (ConcreteCell *cell, int numNets, ConcreteNet *nets[])

Function Documentation

fastEstimate()

float fastEstimate	(	ConcreteCell *	cell,
		int	numNets,
		ConcreteNet *	nets[] )

Definition at line 92 of file place_inc.c.

                                                     {
  float len = 0;
  int n;
  Rect box;
 
  assert(cell);
 
  for(n=0; n<numNets; n++) {
    box = getNetBBox(nets[n]);
    if (cell->m_x < box.x) len += (box.x - cell->m_x);
    if (cell->m_x > box.x+box.w) len += (cell->m_x-box.x-box.w);
    if (cell->m_y < box.y) len += (box.x - cell->m_y);
    if (cell->m_y > box.y+box.h) len += (cell->m_y-box.y-box.h);
  }
  
  return len;
}

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sqHashId()

ABC_NAMESPACE_IMPL_START int sqHashId ( int id, int max )

inline

Definition at line 21 of file place_inc.c.

                                     {
  return ((id * (id+17)) % max);
}