master updated (65fb048 -> bede598)

[Paul Eggert]

eggert pushed a change to branch master.

      from  65fb048   Finish last Tramp patch
       new  ff10e95   Refactor double integer scaling
       new  02e637e   Refactor bignum multiplication, exponentiation
       new  bede598   Fix double-rounding bug in ceiling etc.


Summary of changes:
 src/bignum.c               |  78 +++++++++++++++++++++++++++
 src/bignum.h               |   6 +++
 src/data.c                 |  74 --------------------------
 src/floatfns.c             | 128 ++++++++++++++++++++++++---------------------
 src/lisp.h                 |   3 ++
 src/timefns.c              |  29 ++--------
 test/src/floatfns-tests.el |   4 +-
 7 files changed, 163 insertions(+), 159 deletions(-)