в 14:20, 25 мая 2010

2010-05-25T14:20:56Z

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2010-05-25T10:22:24Z

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==More output format with printf==

<source lang="cpp">
#include <stdio.h>
int main(void)
{
printf("%.4f\n", 123.1234567);
printf("%3.8d\n", 1000);
printf("%10.15s\n", "This is a simple test.");
return 0;
}

</source>

==Output float with format: round==

<source lang="cpp">
#include <stdio.h>
void main()
{
float radius = 2.0f; /* The radius of a table */
const float Pi = 3.14159f; /* Defines the value of Pi as fixed */
printf("\nThe circumference is %.2f", 2.0f*Pi*radius);
printf("\nThe area is %.2f", Pi*radius*radius);
}

</source>

==Outputting floating-point values==

<source lang="cpp">
#include <stdio.h>
void main()
{
float fp1 = 123.678f;
float fp2 = 1.2345E6f;
double fp3 = 98765432.0;
double fp4 = 11.22334455e-6;
printf("\n%f %+f % 10.4f %6.4f\n", fp1, fp2, fp1, fp2);
printf("\n%e %+E\n", fp1, fp2);
printf("\n%f %g %#+f %8.4f %10.4g\n", fp3,fp3, fp3, fp3, fp4);
}

</source>

==Printf with format==

<source lang="cpp">
#include <stdio.h>
int main(void)
{
/* "this is a test" left justified in 20 character field. */
printf("%-20s", "this is a test");
/* a float with 3 decimal places in a 10
character field. The output will be " 12.235".
*/
printf("%10.3f", 12.234657);
return 0;
}

</source>

==Use printf to control the output format==

<source lang="cpp">
#include <stdio.h>
int main(void)
{
double item;
item = 10.12304;
printf("%f\n", item);
printf("%10f\n", item);
printf("%012f\n", item);
return 0;
}

</source>

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C/Console/Formatted Output Float - История изменений

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