MPILIB: Fix comparison of negative MPIs
authorRasmus Villemoes <linux@rasmusvillemoes.dk>
Wed, 14 Jan 2015 16:10:12 +0000 (16:10 +0000)
committerDavid Howells <dhowells@redhat.com>
Wed, 14 Jan 2015 16:10:12 +0000 (16:10 +0000)
commitb9f918a31d629e99c9ca3d6ac2a2d7a905715c69
treebaaca0718341de9349805593023944b62336122a
parent98dbbcba1b0c1874b9faf9c77b83f9729360aa2c
MPILIB: Fix comparison of negative MPIs

If u and v both represent negative integers and their limb counts
happen to differ, mpi_cmp will always return a positive value - this
is obviously bogus. u is smaller than v if and only if it is larger in
absolute value.

Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Dmitry Kasatkin <dmitry.kasatkin@gmail.com>
lib/mpi/mpi-cmp.c