Mercurial > dropbear
view tomsfastmath/src/bit/fp_rshd.c @ 645:8622ee48fab5 dropbear-tfm
- Work around broken asm constraint behaviour on 32bit x86 OS X
author | Matt Johnston <matt@ucc.asn.au> |
---|---|
date | Wed, 30 Nov 2011 22:27:26 +0800 |
parents | a362b62d38b2 |
children |
line wrap: on
line source
/* TomsFastMath, a fast ISO C bignum library. * * This project is meant to fill in where LibTomMath * falls short. That is speed ;-) * * This project is public domain and free for all purposes. * * Tom St Denis, [email protected] */ #include <tfm.h> void fp_rshd(fp_int *a, int x) { int y; /* too many digits just zero and return */ if (x >= a->used) { fp_zero(a); return; } /* shift */ for (y = 0; y < a->used - x; y++) { a->dp[y] = a->dp[y+x]; } /* zero rest */ for (; y < a->used; y++) { a->dp[y] = 0; } /* decrement count */ a->used -= x; fp_clamp(a); } /* $Source$ */ /* $Revision$ */ /* $Date$ */