- New functions: mpc_pow, mpc_set_nan, mpc_swap
 - Bug fixes:
   . log: along branch cut
   . norm: infinite loop in case of overflow
   . ui_div, div, fr_div: handling of division by 0 and infinities
     following the example code of the C99 standard
   . compilation with g++
 - Makefile.vc updated (thanks to Mickael Gastineau)
 - Changed MPC_SET_X_Y macro
 - Removed functions mpc_random and mpc_random2 (which no port uses)

Approved by:	maintainer (wen heping)
Feature safe:	yes

arbitrarily high precision and correct rounding of the result.
It is built upon and follows the same principles as Mpfr. The
library is written by Andreas Enge, Philippe Theveny and Paul
Zimmermann and is distributed under the Gnu Lesser General Public
License, either version 2.1 of the license, or (at your option)
any later version. The Mpc library has been registered in France
by the Agence pour la Protection des Programmes on 2003-02-05
under the number IDDN FR 001 060029 000 R P 2003 000 10000.

WWW: http://www.multiprecision.org/

PR:		ports/133395
Submitted by:	Wen Heping <wenheping at gmail.com>