37 lines
506 B
C
37 lines
506 B
C
/* SUMFP -- Compute sum of integers from 0 to 10000 using floating point */
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#include <stdio.h>
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#define FLOAT double
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static FLOAT run (FLOAT n)
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{
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FLOAT i = n, sum = 0.;
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while (i >= 0.)
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{
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sum = sum+i;
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i = i-1.;
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}
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return sum;
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}
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int main (int argc, char *argv[])
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{
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int i;
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FLOAT result;
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int n = 10000;
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if (argc > 1)
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n = atoi (argv[1]);
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for (i=0; i<5000; i++)
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result = run (n);
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if (result != 50005000.)
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printf ("*** wrong result ***\n");
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return 0;
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}
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