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c:math.h:modf

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c:math.h:modf [2013/01/22 22:02] (current)
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 +{{keywords>wiki library source code example reference}}
 +===== modf =====
 +<code c>
 +    double modf(double , double *int);
 +</code>
 +Splits completely paid off and returns the fractional part of x.
 +
 +===== C Sourcecode Example =====
 +compile in linux with: gcc modf.c -o modf **-lm** -Wall
 +<code c>
 +#include <stdio.h> /* including standard library */
 +//#include <windows.h> /* uncomment this for Windows */
 +
 +#include <math.h> /* including math library */
 +
 +int main ( void )
 +{
 +  double i, result;
 +  result=modf(4.2, &i);
 +  printf ("%lf + %lf = %lf \n", i, result, 4.2 );
 +  return 0;
 +}
 +</code>
 +
 +==== output ====
 +    output: ./modf 
 +    4.000000 + 0.200000 = 4.200000
 +
  
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c/math.h/modf.txt · Last modified: 2013/01/22 22:02 (external edit)

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