#include #include int main() { int i; for (i = 0; i < 20; 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); } }