xcalc: Changes to 'master'

[Alan Coopersmith]

 math.c |   34 +++++++++++++++++++---------------
 1 file changed, 19 insertions(+), 15 deletions(-)

New commits:
commit 3e6d23bb9d57ae3d19e9eb47ced654669fca4d7c
Author: Stéphane Aulery <lkppo at free.fr>
Date:   Sun Jul 7 02:02:46 2013 +0200

    Use the new M_E symbol from math.h
    
    Use the new M_E symbol from math.h and fix and a value of the same
    accuracy if it's necessary to redefine M_E.
    
    Signed-off-by: Stéphane Aulery <lkppo at free.fr>
    Reviewed-by: Alan Coopersmith <alan.coopersmith at oracle.com>
    Signed-off-by: Alan Coopersmith <alan.coopersmith at oracle.com>

commit f3b065f03a7b68310b489d5d97b11985ef36e977
Author: Stéphane Aulery <lkppo at free.fr>
Date:   Sun Jul 7 02:02:38 2013 +0200

    Use the new M_PI symbol from math.h
    
    Use the new M_PI symbol from math.h and fix and a value of the same
    accuracy if it's necessary to redefine M_PI.
    
    Signed-off-by: Stéphane Aulery <lkppo at free.fr>
    Reviewed-by: Alan Coopersmith <alan.coopersmith at oracle.com>
    Signed-off-by: Alan Coopersmith <alan.coopersmith at oracle.com>