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