News for version 1.0

git-svn-id: svn://scm.gforge.inria.fr/svn/mpfr/trunk@738 280ebfd0-de03-0410-8827-d642c229c3f4

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+Changes from version 0.4 to version 1.0:
+
+- Version 1.0 now uses a standard configure/make installation. 
+- Version 1.0 implements all functions that are available in the MPF class 
+  from GMP 3.1 (except mpf_swap) and a header file mpf2mpfr.h is included in 
+  the distribution for easy change from MPF to MPFR. 
+- Version 1.0 implements new elementary functions: mpfr_sincos 
+- Some functions and macros have been renamed: mpfr_log2 is now 
+  mpfr_const_log2, mpfr_pi is now mpfr_const_pi, SIGN is now MPFR_SIGN. 
+- Version 1.0 uses faster algorithms for mpfr_exp, mpfr_const_pi, 
+  mpfr_const_log2. Compare the timings from version 1.0 and version 0.4. 
+- Version 1.0 corrects some bugs of version 0.4. 
+- The precision of MPFR variables is now named mpfr_prec, which makes it 
+  easier to change it, to say unsigned long long. Same for the rounding mode 
+  which is called mp_rnd_t. 
+
+You'll find other news concerning the MPFR library on the web
+page <http://www.loria.fr/projets/mpfr/>.