sincsqrd.cpp

来自「Digital filter designer s handbook C++ c」· C++ 代码 · 共 23 行

//
//  File = sincsqrd.cpp
//

#include <stdlib.h>
#include <math.h>
#include "sincsqrd.h"

double sinc_sqrd(double x)
{
 double result;
 if (x == 0.0)
   { result = 1.0; }
 else
   {
    result = sin(x)/x;
    result = result*result;
   }
 return(result);  
}

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