diff options
Diffstat (limited to 'tcl8.6/libtommath/bn_mp_count_bits.c')
| -rw-r--r-- | tcl8.6/libtommath/bn_mp_count_bits.c | 41 |
1 files changed, 0 insertions, 41 deletions
diff --git a/tcl8.6/libtommath/bn_mp_count_bits.c b/tcl8.6/libtommath/bn_mp_count_bits.c deleted file mode 100644 index 00d364e..0000000 --- a/tcl8.6/libtommath/bn_mp_count_bits.c +++ /dev/null @@ -1,41 +0,0 @@ -#include <tommath.h> -#ifdef BN_MP_COUNT_BITS_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, tomstdenis@gmail.com, http://math.libtomcrypt.com - */ - -/* returns the number of bits in an int */ -int -mp_count_bits (const mp_int * a) -{ - int r; - mp_digit q; - - /* shortcut */ - if (a->used == 0) { - return 0; - } - - /* get number of digits and add that */ - r = (a->used - 1) * DIGIT_BIT; - - /* take the last digit and count the bits in it */ - q = a->dp[a->used - 1]; - while (q > ((mp_digit) 0)) { - ++r; - q >>= ((mp_digit) 1); - } - return r; -} -#endif |