You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
36 lines
639 B
36 lines
639 B
// A simple program that builds a sqrt table
|
|
#include <stdio.h>
|
|
#include <math.h>
|
|
|
|
int main (int argc, char *argv[])
|
|
{
|
|
int i;
|
|
double result;
|
|
|
|
// make sure we have enough arguments
|
|
if (argc < 2)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
// open the output file
|
|
FILE *fout = fopen(argv[1],"w");
|
|
if (!fout)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
// create a source file with a table of square roots
|
|
fprintf(fout,"double sqrtTable[] = {\n");
|
|
for (i = 0; i < 10; ++i)
|
|
{
|
|
result = sqrt(static_cast<double>(i));
|
|
fprintf(fout,"%g,\n",result);
|
|
}
|
|
|
|
// close the table with a zero
|
|
fprintf(fout,"0};\n");
|
|
fclose(fout);
|
|
return 0;
|
|
}
|