diff options
Diffstat (limited to 'generic/tclTomMathInterface.c')
-rw-r--r-- | generic/tclTomMathInterface.c | 166 |
1 files changed, 23 insertions, 143 deletions
diff --git a/generic/tclTomMathInterface.c b/generic/tclTomMathInterface.c index 48db8c3..9e7bf4b 100644 --- a/generic/tclTomMathInterface.c +++ b/generic/tclTomMathInterface.c @@ -89,86 +89,11 @@ TclBN_revision(void) { return TCLTOMMATH_REVISION; } -#if 0 /* *---------------------------------------------------------------------- * - * TclBNAlloc -- - * - * Allocate memory for libtommath. - * - * Results: - * Returns a pointer to the allocated block. - * - * This procedure is a wrapper around Tcl_Alloc, needed because of a - * mismatched type signature between Tcl_Alloc and malloc. - * - *---------------------------------------------------------------------- - */ - -extern void * -TclBNAlloc( - size_t x) -{ - return (void *) ckalloc((unsigned int) x); -} - -/* - *---------------------------------------------------------------------- - * - * TclBNRealloc -- - * - * Change the size of an allocated block of memory in libtommath - * - * Results: - * Returns a pointer to the allocated block. - * - * This procedure is a wrapper around Tcl_Realloc, needed because of a - * mismatched type signature between Tcl_Realloc and realloc. - * - *---------------------------------------------------------------------- - */ - -void * -TclBNRealloc( - void *p, - size_t s) -{ - return (void *) ckrealloc((char *) p, (unsigned int) s); -} - -/* - *---------------------------------------------------------------------- - * - * TclBNFree -- - * - * Free allocated memory in libtommath. - * - * Results: - * None. - * - * Side effects: - * Memory is freed. - * - * This function is simply a wrapper around Tcl_Free, needed in libtommath - * because of a type mismatch between free and Tcl_Free. - * - *---------------------------------------------------------------------- - */ - -extern void -TclBNFree( - void *p) -{ - ckree((char *) p); -} -#endif - -/* - *---------------------------------------------------------------------- - * - * TclBNInitBignumFromLong -- + * TclInitBignumFromLong -- * * Allocate and initialize a 'bignum' from a native 'long'. * @@ -181,47 +106,20 @@ TclBNFree( *---------------------------------------------------------------------- */ -extern void -TclBNInitBignumFromLong( +void +TclInitBignumFromLong( mp_int *a, - long initVal) + long v) { - int status; - unsigned long v; - mp_digit *p; - - /* - * Allocate enough memory to hold the largest possible long - */ - - status = mp_init_size(a, - (CHAR_BIT * sizeof(long) + DIGIT_BIT - 1) / DIGIT_BIT); - if (status != MP_OKAY) { - Tcl_Panic("initialization failure in TclBNInitBignumFromLong"); + if (mp_init_size(a, (CHAR_BIT * sizeof(long) + DIGIT_BIT - 1) / DIGIT_BIT) != MP_OKAY) { + Tcl_Panic("initialization failure in TclInitBignumFromLong"); } - - /* - * Convert arg to sign and magnitude. - */ - - if (initVal < 0) { - a->sign = MP_NEG; - v = -initVal; + if (v < (long)0) { + mp_set_long_long(a, (Tcl_WideUInt)(-(Tcl_WideInt)v)); + mp_neg(a, a); } else { - a->sign = MP_ZPOS; - v = initVal; - } - - /* - * Store the magnitude in the bignum. - */ - - p = a->dp; - while (v) { - *p++ = (mp_digit) (v & MP_MASK); - v >>= MP_DIGIT_BIT; + mp_set_long_long(a, (Tcl_WideUInt)v); } - a->used = p - a->dp; } /* @@ -240,16 +138,19 @@ TclBNInitBignumFromLong( *---------------------------------------------------------------------- */ -extern void -TclBNInitBignumFromWideInt( +void +TclInitBignumFromWideInt( mp_int *a, /* Bignum to initialize */ Tcl_WideInt v) /* Initial value */ { + if (mp_init_size(a, (CHAR_BIT * sizeof(Tcl_WideUInt) + DIGIT_BIT - 1) / DIGIT_BIT) != MP_OKAY) { + Tcl_Panic("initialization failure in TclInitBignumFromWideInt"); + } if (v < (Tcl_WideInt)0) { - TclBNInitBignumFromWideUInt(a, (Tcl_WideUInt)(-v)); + mp_set_long_long(a, (Tcl_WideUInt)(-v)); mp_neg(a, a); } else { - TclBNInitBignumFromWideUInt(a, (Tcl_WideUInt)v); + mp_set_long_long(a, (Tcl_WideUInt)v); } } @@ -269,36 +170,15 @@ TclBNInitBignumFromWideInt( *---------------------------------------------------------------------- */ -extern void -TclBNInitBignumFromWideUInt( +void +TclInitBignumFromWideUInt( mp_int *a, /* Bignum to initialize */ Tcl_WideUInt v) /* Initial value */ { - int status; - mp_digit *p; - - /* - * Allocate enough memory to hold the largest possible Tcl_WideUInt. - */ - - status = mp_init_size(a, - (CHAR_BIT * sizeof(Tcl_WideUInt) + DIGIT_BIT - 1) / DIGIT_BIT); - if (status != MP_OKAY) { - Tcl_Panic("initialization failure in TclBNInitBignumFromWideUInt"); - } - - a->sign = MP_ZPOS; - - /* - * Store the magnitude in the bignum. - */ - - p = a->dp; - while (v) { - *p++ = (mp_digit) (v & MP_MASK); - v >>= MP_DIGIT_BIT; - } - a->used = p - a->dp; + if (mp_init_size(a, (CHAR_BIT * sizeof(Tcl_WideUInt) + DIGIT_BIT - 1) / DIGIT_BIT) != MP_OKAY) { + Tcl_Panic("initialization failure in TclInitBignumFromWideUInt"); + } + mp_set_long_long(a, v); } /* |