cpp1.cpp

来自「在quartus软件下用VHDL语言实现DDS」· C++ 代码 · 共 26 行

#include<iostream.h>
#include<fstream.h>
#include<math.h>

void main()
{  double pi=3.1415926;
   double step=pi*2/4096;
ofstream outfile;
outfile.open("cos.mif");
outfile<<"--cos.mif--"<<endl;
outfile<<"depth=4096;"<<endl;
outfile<<"width=10;"<<endl;
outfile<<"address_radix=dec;"<<endl;
outfile<<"data_radix=hex;"<<endl;
outfile<<"content begin"<<endl;
for(int i=0;i<4096;i++)
{outfile<<dec<<i<<"  :  "<<hex<<int((cos(i*step)+1)/2*1023)<<";"<<endl;
}
outfile<<"end;";
}