<HTML><BODY style="word-wrap: break-word; -khtml-nbsp-mode: space; -khtml-line-break: after-white-space; ">Wow that was a rude response. Not ALL of us are natural born programmers, and most of us get in over our head at some point. Anyways, here's some examples of how to call the gmp functions from your code. Anyways, as Decio pointed out, these are rather elementary C issues, so I suggest you brush up on your programming before jumping into the GMP functions. There are certainly some lists for C learners. <DIV> </DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">#include <stdio.h></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">#include <gmp.h></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; min-height: 14px; "> </DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">main (int argc, char **argv){</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; min-height: 14px; "> </DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "> mpz_t a, b, p;</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; min-height: 14px; "> </DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "> if (argc != 3)</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "> { printf ("Usage: %s <number> <number>\n", argv[0]); return (1); }</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; min-height: 14px; "> </DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "> /* Initialize and assign a and b from base 10 strings in argv */</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "> mpz_init_set_str (a, argv[1], 10);</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "> mpz_init_set_str (b, argv[2], 10);</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "> /* Initialize p */</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "> mpz_init (p);</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; min-height: 14px; "> </DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; min-height: 14px; "> </DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "> /* compute the gcd of a and b*/</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "> mpz_gcd(p, a, b);</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; min-height: 14px; "> </DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">// mp_size_t mpn_gcd (mp_limb_t *p, mp_limb_t *a,</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">// mp_size_an, mp_limb_t *b, mp_size_t bn)</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; min-height: 14px; "> </DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "> /* Print p in base 10 */</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "> gmp_printf("%Zd\n", p);</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">// mpz_out_str (stdout, 10, p);</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">// fputc ('\n', stdout);</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; min-height: 14px; "> </DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "> /* Since we're about to exit, no need to clear out variables */</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "> return (0);</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">}</DIV><DIV> <DIV> <DIV> </DIV><DIV> <DIV> <DIV><DIV>On Jul 29, 2006, at 10:33 AM, Décio Luiz Gazzoni Filho wrote:</DIV> <BLOCKQUOTE type="cite"><BLOCKQUOTE type="cite">#include <stdio.h> #include <gmp.h> main (int argc, char **argv) { mpz_t a, b, p; if (argc != 3) { printf ("Usage: %s <number> <number>\n", argv[0]); exit (1); } /* Initialize and assign a and b from base 10 strings in argv */ mpz_init_set_str (a, argv[1], 10); mpz_init_set_str (b, argv[2], 10); /* Initialize p */ mpz_init (p); /* compute the gcd of a and b*/ mp_size_t mpn_gcd (mp_limb_t *p, mp_limb_t *a, mp_size_an, mp_limb_t *b, mp_size_t bn) /* Print p in base 10 */ mpz_out_str (stdout, 10, p); fputc ('\n', stdout); /* Since we're about to exit, no need to clear out variables */ exit (0); } </BLOCKQUOTE></BLOCKQUOTE></DIV> <DIV> <SPAN class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><SPAN class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><DIV>Blake Huff</DIV><DIV><A href="mailto:stangmechanic@gmail.com">stangmechanic@gmail.com</A></DIV><DIV> </DIV></DIV> </DIV></DIV></DIV></DIV></BODY></HTML>