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Raspberry Pi 的代码
ex_2_3_2.java
/*
* 文件名 ex_2_3_2.java
* 说 明:用双精度浮点数计算圆的面积
*/
class ex_2_3_2{
public static void main(String args[]) {
double pi,r,a;
r = 10.8; // 圆的半径
pi = 3.1416; // 圆周率的近似值
a = pi * r * r; //
p1-98.cpp
#include
//以下是几个简单宏替换预处理指令
#define YES 1
#define PI 3.1415926
#define RAD PI/180
#define MESG "This is a string."
//以下是主程序
main() {
//以下各语句使
p1-12.cpp
#include
const double PI=3.1416; //声明常量(const变量)PI为3.1416
main()
{
//声明3个变量
double r,l,s;
//输入圆的半径
coutr;
//计算圆的周长
p1-100.cpp
#include
#define PI 3.1416
main() {
int i=100;
#if 1
cout
p1-14.cpp
#include
const double PI=3.1416; //声明常量(const变量)PI为3.1416
main()
{
//声明3个变量
double r=3,l,s;
//计算圆的周长
l=2*PI*r;
cout
gaussian.c
#include
#define pi 3.1415
double
gaussian(double x)
{
double resu;
resu=-0.5*x*x;
resu=exp(resu);
resu=resu/sq
tst_sprintf.c
#include
void tst_sprintf (void) {
char buf [100];
int n;
int a,b;
float pi;
a = 123;
b = 456;
pi = 3.14159;
n = sprintf (buf, "%f\n", 1.1);
n += sprintf
class1.cs
using System;
namespace TestUnsafe
{
public class TestUnsafeApp
{
unsafe public static void Swap(int* pi, int* pj)
{
int tmp = *pi;
*pi = *pj;
3-8.c
#include
#include
#include
void main (void) {
double pi,t;
long int n,s;
t=1.0;
n=1;
s=1;
pi=0.0;
SCON = 0x50;
TMOD |=
7-1.c
#include
#include
#define PI 3.14159
main()
{
int s,r=5;
s=PI*r*r;
SCON = 0x50;
TMOD |= 0x20;
TH1 = 0xf3;
TR1 = 1;
TI = 1;
printf ("%d\n",s);
}