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35 lines
719 B
C++
35 lines
719 B
C++
// A simple program that computes the square root of a number
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#include <stdio.h>
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#include <stdlib.h>
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#include <math.h>
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#include "TutorialConfig.h"
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#ifdef USE_MYMATH
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#include "MathFunctions.h"
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#endif
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int main (int argc, char *argv[])
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{
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if (argc < 2)
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{
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fprintf(stdout,"%s Version %d.%d\n",
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argv[0],
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Tutorial_VERSION_MAJOR,
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Tutorial_VERSION_MINOR);
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fprintf(stdout,"Usage: %s number\n",argv[0]);
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return 1;
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}
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double inputValue = atof(argv[1]);
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#ifdef USE_MYMATH
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double outputValue = mysqrt(inputValue);
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#else
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double outputValue = sqrt(inputValue);
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#endif
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fprintf(stdout,"The square root of %g is %g\n",
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inputValue, outputValue);
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return 0;
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}
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