diff options
Diffstat (limited to 'libtommath/bn_mp_sqr.c')
| -rw-r--r-- | libtommath/bn_mp_sqr.c | 49 |
1 files changed, 24 insertions, 25 deletions
diff --git a/libtommath/bn_mp_sqr.c b/libtommath/bn_mp_sqr.c index ffe94e2..e2e8641 100644 --- a/libtommath/bn_mp_sqr.c +++ b/libtommath/bn_mp_sqr.c @@ -16,42 +16,41 @@ */ /* computes b = a*a */ -int -mp_sqr (mp_int * a, mp_int * b) +int mp_sqr(mp_int *a, mp_int *b) { - int res; + int res; #ifdef BN_MP_TOOM_SQR_C - /* use Toom-Cook? */ - if (a->used >= TOOM_SQR_CUTOFF) { - res = mp_toom_sqr(a, b); - /* Karatsuba? */ - } else + /* use Toom-Cook? */ + if (a->used >= TOOM_SQR_CUTOFF) { + res = mp_toom_sqr(a, b); + /* Karatsuba? */ + } else #endif #ifdef BN_MP_KARATSUBA_SQR_C - if (a->used >= KARATSUBA_SQR_CUTOFF) { - res = mp_karatsuba_sqr (a, b); - } else + if (a->used >= KARATSUBA_SQR_CUTOFF) { + res = mp_karatsuba_sqr(a, b); + } else #endif - { + { #ifdef BN_FAST_S_MP_SQR_C - /* can we use the fast comba multiplier? */ - if ((((a->used * 2) + 1) < MP_WARRAY) && - (a->used < - (1 << (((sizeof(mp_word) * CHAR_BIT) - (2 * DIGIT_BIT)) - 1)))) { - res = fast_s_mp_sqr (a, b); - } else + /* can we use the fast comba multiplier? */ + if ((((a->used * 2) + 1) < MP_WARRAY) && + (a->used < + (1 << (((sizeof(mp_word) * CHAR_BIT) - (2 * DIGIT_BIT)) - 1)))) { + res = fast_s_mp_sqr(a, b); + } else #endif - { + { #ifdef BN_S_MP_SQR_C - res = s_mp_sqr (a, b); + res = s_mp_sqr(a, b); #else - res = MP_VAL; + res = MP_VAL; #endif - } - } - b->sign = MP_ZPOS; - return res; + } + } + b->sign = MP_ZPOS; + return res; } #endif |