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Diffstat (limited to 'libtommath/bn_mp_get_long.c')
-rw-r--r-- | libtommath/bn_mp_get_long.c | 41 |
1 files changed, 0 insertions, 41 deletions
diff --git a/libtommath/bn_mp_get_long.c b/libtommath/bn_mp_get_long.c deleted file mode 100644 index 7c3d0fe..0000000 --- a/libtommath/bn_mp_get_long.c +++ /dev/null @@ -1,41 +0,0 @@ -#include <tommath_private.h> -#ifdef BN_MP_GET_LONG_C -/* LibTomMath, multiple-precision integer library -- Tom St Denis - * - * LibTomMath is a library that provides multiple-precision - * integer arithmetic as well as number theoretic functionality. - * - * The library was designed directly after the MPI library by - * Michael Fromberger but has been written from scratch with - * additional optimizations in place. - * - * The library is free for all purposes without any express - * guarantee it works. - * - * Tom St Denis, tstdenis82@gmail.com, http://libtom.org - */ - -/* get the lower unsigned long of an mp_int, platform dependent */ -unsigned long mp_get_long(mp_int * a) -{ - int i; - unsigned long res; - - if (a->used == 0) { - return 0; - } - - /* get number of digits of the lsb we have to read */ - i = MIN(a->used,(int)(((sizeof(unsigned long) * CHAR_BIT) + DIGIT_BIT - 1) / DIGIT_BIT)) - 1; - - /* get most significant digit of result */ - res = DIGIT(a,i); - -#if (ULONG_MAX != 0xffffffffuL) || (DIGIT_BIT < 32) - while (--i >= 0) { - res = (res << DIGIT_BIT) | DIGIT(a,i); - } -#endif - return res; -} -#endif |