testcordic.cpp

这个包里面包含了对Cordic算法的基本函数实现。通过Dformat类来控制系统的数据格式

// test class Cordic
#include "Cordic.h"
#include "Dformat.h"
#include "data.h"
#include <iostream>
#include <fstream>
#include <conio.h>
#include <cmath>

#define M_int 1
#define N_fract 30

using namespace std;

void main()
{
	Dformat Dataformat( M_int,N_fract );
	Cordic test( Dataformat);
	// test Sin/Cos-----------------------------------------------------
	ofstream SINE( "_sin.dat",ios::app ),COSINE( "_cos.dat",ios::app );
	// create file out.dat to store sin(theta)
	if( !SINE || !COSINE )
	{
		cerr << "_sin.dat could not be created." << endl;
		exit(0);
	}
	for( unsigned i =0;i<NUM;++i )
	{
		test.set( 1,0,_theta[i] );
		SINE << test.Sin() << endl;
		COSINE << test.Cos() << endl;
	}
	test.print( SINE );
	test.print( COSINE );
	// test Abs/Atan -----------------------------------------------------
	ofstream ABS( "_abs.dat",ios::app ),ATAN( "_atan.dat",ios::app );
	if( !ABS || !ATAN )
	{
		cerr << "_abs.dat could not be created." << endl;
		exit(0);
	}
	test.set( 2,29 ); // ATTENTION m=1,n=30 will overflow
	for( unsigned i=0;i<NUM;++i )
	{
		test.set( _x[i],_y[i],0 );
		ABS << test.Abs() << endl;
		test.set( 1,_y[i],0 );
		ATAN << test.Atan() << endl;
	}
	test.print( ABS );
	test.print( ATAN );
	// test Mult ---------------------------------------------------------
	ofstream MULT( "_mult.dat",ios::app );
	if( !MULT )
	{
		cerr << "_mult.dat could not be created." << endl;
		exit(0);
	}
	test.set( M_int,N_fract );// default
	for( unsigned i=0;i<NUM;++i )
	{
		test.set( _x[i],0,_y[i] );
		MULT << test.Mult() << endl;
	}
	test.print( MULT );
	// test Dev ----------------------------------------------------------
	ofstream DEV( "_dev.dat",ios::app );
	if( !DEV )
	{
		cerr << "_dev.dat could not be created." << endl;
		exit(0);
	}
	for( unsigned i=0;i<NUM;++i )
	{
		test.set( _x[i],_y[i],0 );
		DEV << test.Dev() << endl;
	}
	test.print( DEV );
	// test Sinh/Cosh ----------------------------------------------------
	ofstream SINH( "_sinh.dat",ios::app ),COSH( "_cosh.dat",ios::app );
	if( !SINH || !COSH )
	{
		cerr << "_sin.dat could not be created." << endl;
		exit(0);
	}
	test.set( 2,29 );// modify Qm.n
	for( unsigned i =0;i<NUM;++i )
	{
		test.set( 1,0,_theta[i] );
		SINH << test.Sinh() << endl;
		COSH << test.Cosh() << endl;
	}
	test.print( SINH );
	test.print( COSH );
	// test Sqrt/Atanh ----------------------------------------------------
	ofstream SQRT( "_sqrt.dat",ios::app ),ATANH( "_atanh.dat",ios::app );
	test.set( M_int,N_fract );
	for( unsigned i=0;i<NUM;++i )
	{
		test.set( _sqrt[i]+0.25,_sqrt[i]-0.25,0 );
		SQRT << test.Sqrt() << endl;
		test.set( 1,_atanh[i],0 );
		ATANH << test.Atanh() << endl;
	}
	test.print( SQRT );
	test.print( ATANH );
	test.print( cout );
	_getch();
}