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#include <stdio.h>
#include "real.h"
#include <math.h>
/*
* Tests the log_R when applied to a real expressed
* by a sign, a characteristic pair and a vector.
*/
main(int argc, char *argv[])
{
Real x, y;
double f;
Real makeRealSignCNQInt(Sign, char *, int, int, int);
MyName = argv[0];
if (argc != 7) {
fprintf(stderr, "%s <sign> <c> <n> <a> <b> <ndigits>\n", MyName);
exit(1);
}
initReals();
y = makeRealSignCNQInt(
atoi(argv[1]), /* sign */
argv[2], /* c */
atoi(argv[3]), /* n */
atoi(argv[4]), /* a */
atoi(argv[5])); /* b */
print_R_Dec(y, atoi(argv[6]));
f = realToDouble(y);
printf("\nx=%f\n",f);
x = log_R(y);
print_R_Dec(x, atoi(argv[6]));
printf("\nlog(x)=%f\n", log(f));
}
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