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61 lines
1.4 KiB
C
61 lines
1.4 KiB
C
/*
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* example.c
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*
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* Calculate the sum of a given range of integer numbers. The range is
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* specified by providing two integer numbers as command line argument.
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* If no arguments are specified, assume the predefined range [0..9].
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* Abort with an error message if the resulting number is too big to be
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* stored as int variable.
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*
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* This program example is similar to the one found in the GCOV documentation.
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* It is used to demonstrate the HTML output generated by LCOV.
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*
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* The program is split into 3 modules to better demonstrate the 'directory
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* overview' function. There are also a lot of bloated comments inserted to
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* artificially increase the source code size so that the 'source code
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* overview' function makes at least a minimum of sense.
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include "iterate.h"
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#include "gauss.h"
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static int start = 0;
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static int end = 9;
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int main (int argc, char* argv[])
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{
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int total1, total2;
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/* Accept a pair of numbers as command line arguments. */
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if (argc == 3)
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{
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start = atoi(argv[1]);
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end = atoi(argv[2]);
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}
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/* Use both methods to calculate the result. */
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total1 = iterate_get_sum (start, end);
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total2 = gauss_get_sum (start, end);
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/* Make sure both results are the same. */
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if (total1 != total2)
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{
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printf ("Failure (%d != %d)!\n", total1, total2);
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}
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else
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{
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printf ("Success, sum[%d..%d] = %d\n", start, end, total1);
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}
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return 0;
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}
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