src/systemc/tests/systemc/misc/user_guide/chpt11.4/mean.cpp

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/*****************************************************************************

  mean.cpp -- 

  Original Author: Martin Janssen, Synopsys, Inc., 2002-02-15

 *****************************************************************************/

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  MODIFICATION LOG - modifiers, enter your name, affiliation, date and
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/* Filename mean.cc */
/* This is the implementation file for synchronous process `mean' */

#include "mean.h"

void calculate_geometric_mean(const sc_signed& a, const sc_signed& b, 
			      const sc_signed& c, const sc_signed& d,
			      sc_signed& mean){}

void calculate_harmonic_mean(const sc_signed& a, const sc_signed& b, 
			      const sc_signed& c, const sc_signed& d,
			      sc_signed& mean){}

void mean::entry()
{
  sc_signed i(24);  // Will hold input a
  sc_signed j(24);  // Will hold input b
  sc_signed k(24);  // Will hold input c
  sc_signed l(24);  // Will hold input d

  sc_signed arith(24);    // Arithmetic mean
  sc_signed geom(24);     // Geometric mean
  sc_signed harmonic(24); // Harmonic mean

  while (true) {
    // read all inputs
    send_input.write(true);
    wait(2);
    i = in.read().to_int();
    wait();
    j = in.read().to_int();
    wait();
    k = in.read().to_int();
    wait();
    l = in.read().to_int();
    send_input.write(false);
    
    // Calculate arithmetic mean
    arith = (i + j + k + l) / 4;
    // Calculate geometric mean
    calculate_geometric_mean(i, j, k, l, geom);
    // Calculate harmonic mean
    calculate_harmonic_mean(i, j, k, l, harmonic);

    // write all outputs
    do { wait(); } while (receiver_ready != true);
    wait();
    out.write(arith);
    wait();
    out.write(geom);
    wait();
    out.write(harmonic);
    wait();
  }
} // end of entry function

// Just to make the compiler shut up

int sc_main(int ac, char *av[])
{
  return 0;
}