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#define NULL 0
#define LEN 10
#define OK printf("\n´Ë×éÊý¾ÝºÏ¸ñ¡£\n")
#define NO printf("\n´Ë×éÊý¾Ý²»ºÏ¸ñ£¡\n")
#define CN printf("\n%30c ΰ³É¹¤×÷ÊÒÈÙÓþ³öÆ· %c\n",17,16)
#include "stdlib.h"
#include "math.h"
static float min,ave;
float *zwfloat(void)
{
float *array,value;
int size,count;
size=LEN;
array=malloc((size+1)*sizeof(float));
if (array==NULL) return NULL;
count=0;
while (scanf("%f",&value),value!=0)
{
if(value<0) continue;
count+=1;
if (count>size)
{
size+=LEN;
array=realloc(array,(size+1)*sizeof(float));
if (array==NULL) return NULL;
}
array[count]=value;
}
if (count<size)
{
array=realloc(array,(count+1)*sizeof(float));
if (array==NULL) return NULL;
}
array[0]=count;
return array;
}
float stdev(float const *p)
{
int i;
float sm=0.0;
ave=0.0;min=p[1];
if (p==NULL) return 0;
for
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1. gcvtº¯Êý
gcvtº¯ÊýµÄ¹¦ÄÜÊǰѸ¡µãÊýת»»³É×Ö·û´®£¬ÆäÓ÷¨ÊÇ£ºchar *gcvt(double value, int ndigit, char *buf);³ÌÐò ......
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#include <stdio.h>
#define CONS(a,b) (int)(a##e##b)
#define STR(s) #s
int main()
{
printf(STR(vck));
printf("\n");
printf("%d\n",CONS(2,3));
return 0; ......
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#include <stdio.h>
#define CHARCOUNT 255
#define CON 6 /*µ¥ÐÐ×¢ÊÍ×îÉÙµÄʱºò*/
int realLength = 0;
/*
* function name: strCount
* function : count ......
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1. ldexpº¯Êý
ldexpº¯ÊýµÄ¹¦ÄÜÊǼÆËãvalue*2µÄÃÝ£¬ÆäÓ÷¨Îª£ºdouble ldexp(double value, int exp);³ÌÐòʵÀýÈçÏ£º
......