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| 19.51.1.modf |
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| Item | Value | | Header file | math.h | | Declaratin | float modff(float num, float *i);
double modf(double num, double *i);
long double modfl(long double num, long double *i); | | Function | decomposes num into its integer and fractional parts. | | Return | returns the fractional portion and place the integer part in the variable pointed to by i. |
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#include <math.h>
#include <stdio.h>
int main(void)
{
double i;
double f;
f = modf(10.123, &i);
printf("%f %f",i , f);
}
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10.000000 0.123000 |
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