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| author | zimmerma <zimmerma@280ebfd0-de03-0410-8827-d642c229c3f4> | 2018-12-14 15:23:15 +0000 |
|---|---|---|
| committer | zimmerma <zimmerma@280ebfd0-de03-0410-8827-d642c229c3f4> | 2018-12-14 15:23:15 +0000 |
| commit | 3133b932cdd8a2677184fce8e6e2aa5af7d9c338 (patch) | |
| tree | 45efb7faf5d348ace5d0857945e4fb6a04a85fad | |
| parent | aed1800d5d1e16e129552d007b603dc67b25ee56 (diff) | |
| download | mpfr-3133b932cdd8a2677184fce8e6e2aa5af7d9c338.tar.gz | |
[doc/mini-gmp] added note about using mini-gmp (development version) with
reduced limb size
git-svn-id: svn://scm.gforge.inria.fr/svn/mpfr/trunk@13348 280ebfd0-de03-0410-8827-d642c229c3f4
| -rw-r--r-- | doc/mini-gmp | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/doc/mini-gmp b/doc/mini-gmp index bf2f4068f..5e9a4ffba 100644 --- a/doc/mini-gmp +++ b/doc/mini-gmp @@ -34,3 +34,23 @@ Testsuite summary for MPFR 4.1.0-dev # XPASS: 0 # ERROR: 0 ============================================================================ + +How to use mini-gmp with reduced limb size +========================================== + +Following the idea of Micro-GMP [1], the GMP developers have adapted mini-gmp +so that it can be used with a reduced limb size. + +For that, you have to take a GMP snapshot from December 09, 2018, or later +(see https://gmplib.org/download/snapshot/). + +Then edit the first line of mini-gmp.h to have for example: + + #include <stdint.h> + typedef uint8_t mp_limb_t; + #define GMP_LIMB_BITS 8 + #define __GMP_SHORT_LIMB + +Then you can configure MPFR with that version of mini-gmp, as indicated above. + +[1] https://members.loria.fr/PZimmermann/talks/microgmp.pdf |