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https://github.com/KolibriOS/kolibrios.git
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42 lines
1.1 KiB
C
42 lines
1.1 KiB
C
#include <stdio.h>
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#include <math.h>
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main()
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{
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int i;
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for (i = 0; i < 10; i++)
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{
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printf("------------------------------------------------------\n");
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printf ( "remainder of 5.3 / 2 is %f\n", remainder (5.3,2) );
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printf ( "remainder of 18.5 / 4.2 is %f\n", remainder (18.5,4.2) );
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//remainder of 5.3 / 2 is -0.700000
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//remainder of 18.5 / 4.2 is 1.700000
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printf ( "fmod of 5.3 / 2 is %f\n", fmod (5.3,2) );
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printf ( "fmod of 18.5 / 4.2 is %f\n", fmod (18.5,4.2) );
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// fmod of 5.3 / 2 is 1.300000
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// fmod of 18.5 / 4.2 is 1.700000
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double param, fractpart, intpart, result;
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int n;
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param = 3.14159265;
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fractpart = modf (param , &intpart);
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printf ("%f = %f + %f \n", param, intpart, fractpart);
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//3.141593 = 3.000000 + 0.141593
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param = 0.95;
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n = 4;
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result = ldexp (param , n);
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printf ("%f * 2^%d = %f\n", param, n, result);
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//0.950000 * 2^4 = 15.200000
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param = 8.0;
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result = frexp (param , &n);
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printf ("%f = %f * 2^%d\n", param, result, n);
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//8.000000 = 0.500000 * 2^4
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param = 50;
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result = frexp (param , &n);
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printf ("%f = %f * 2^%d\n", param, result, n);
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}
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} |