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#include 

#include 

main()

{

	int i;

	for (i = 0; i < 10; i++)

	{

	printf("------------------------------------------------------\n");

	printf ( "remainder of 5.3 / 2 is %f\n", remainder (5.3,2) );

  	printf ( "remainder of 18.5 / 4.2 is %f\n", remainder (18.5,4.2) );

//remainder of 5.3 / 2 is -0.700000

//remainder of 18.5 / 4.2 is 1.700000

	printf ( "fmod of 5.3 / 2 is %f\n", fmod (5.3,2) );

	printf ( "fmod of 18.5 / 4.2 is %f\n", fmod (18.5,4.2) );

// fmod of 5.3 / 2 is 1.300000

// fmod of 18.5 / 4.2 is 1.700000

	double param, fractpart, intpart, result;

	int n;

  	param = 3.14159265;

  	fractpart = modf (param , &intpart);

  	printf ("%f = %f + %f \n", param, intpart, fractpart);

//3.141593 = 3.000000 + 0.141593

 	param = 0.95;

	n = 4;

	result = ldexp (param , n);

	printf ("%f * 2^%d = %f\n", param, n, result);

//0.950000 * 2^4 = 15.200000

	param = 8.0;

	result = frexp (param , &n);

	printf ("%f = %f * 2^%d\n", param, result, n);

//8.000000 = 0.500000 * 2^4

	param = 50;

	result = frexp (param , &n);

	printf ("%f = %f * 2^%d\n", param, result, n);

    }

}