example.cc

这是一个从音频信号里提取特征参量的程序

// file: $isip/doc/examples/class/math/scalar/math_scalar_example_01/example.cc
// version: $Id: example.cc,v 1.3 2000/12/17 18:17:48 hamaker Exp $
//

// isip include files
//
#include <Float.h>
#include <Console.h>

// main program starts here:
//  this program demonstrates a few simple functions of the scalar objects
//  and how the resultant objects change depending on the prototype of the
//  function called.
//
int main () {
  
  // declare the objects we will work with
  //
  Float x(3.0);
  Float y;
  Float z;
  
  // compute the factorial of x and assign it to y:
  //  note that both y and x are now equal to 3!
  //
  y.assign(x.factorial());
  
  // compute y cubed and assign it to z:
  //  note that this time, we do not explicitly call the assign method.
  //  the assignment is implicit in the method call. y is unchanged.
  //
  z.pow(y, 3.0);
  
  // output the values to the screen
  //
  x.debug(L"x=3!");
  y.debug(L"y = x! = 3!");
  z.debug(L"z = y**3 = (x!)**3 = (3!)**3");
  
  // exit gracefully
  //
  Integral::exit();
}