C Math datatype Help

I need to represent 10 raised to the power of 100 (10 E 100) in a c program. Does C have a datatype that can do this natively?

You mean like:

Code:

---

itsme@itsme:~/C$ cat float.c
#include <stdio.h>

int main(void)
{
  double close_to_pi = 22./7.;

  printf("%e\n", close_to_pi);

  return 0;
}

---

Code:

---

itsme@itsme:~/C$ ./float
3.142857e+00

---

Not exactly. I am trying to represent this number: 10000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000 0. And I can't find a datatype large enough to represent it.

long long (in C99)? A long long variable usually occupies 64 bits.

Take itsme86's example. A double can easily hold that number. But there might be some loss of precision.

Code:

---

#include <stdio.h>

int main(void) {
    double big = 1e100;

    printf("%f\n", big);

    return 0;
}

---

Thanks. :-)