From e061b9483262ad66c078472b7f74080fda10869c Mon Sep 17 00:00:00 2001 From: "hyunghwan.chung" Date: Tue, 3 Nov 2015 14:08:43 +0000 Subject: [PATCH] added some more bigint routines --- stix/lib/bigint.c | 142 + stix/lib/main.c | 18 + stix/lib/stix-cmn.h | 32 + stix/lib/stix-utl.c | 16 +- stix/lib/stix-utl.h | 33 +- stix/libltdl/autom4te.cache/output.0 | 14888 ------------------------- stix/libltdl/autom4te.cache/output.1 | 14888 ------------------------- stix/libltdl/autom4te.cache/requests | 291 - stix/libltdl/autom4te.cache/traces.0 | 2496 ----- stix/libltdl/autom4te.cache/traces.1 | 714 -- 10 files changed, 228 insertions(+), 33290 deletions(-) delete mode 100644 stix/libltdl/autom4te.cache/output.0 delete mode 100644 stix/libltdl/autom4te.cache/output.1 delete mode 100644 stix/libltdl/autom4te.cache/requests delete mode 100644 stix/libltdl/autom4te.cache/traces.0 delete mode 100644 stix/libltdl/autom4te.cache/traces.1 diff --git a/stix/lib/bigint.c b/stix/lib/bigint.c index c900e8e..008d1f4 100644 --- a/stix/lib/bigint.c +++ b/stix/lib/bigint.c @@ -28,6 +28,9 @@ #define MAKE_WORD(hw1,hw2) ((stix_oow_t)(hw1) | (stix_oow_t)(hw2) << STIX_OOHW_BITS) +/*#define IS_POWER_OF_2(ui) (((ui) > 0) && (((ui) & (~(ui)+ 1)) == (ui)))*/ +#define IS_POWER_OF_2(ui) (((ui) > 0) && ((ui) & ((ui) - 1)) == 0) /* unsigned integer only */ + static STIX_INLINE int is_integer (stix_t* stix, stix_oop_t oop) { stix_oop_t c; @@ -465,3 +468,142 @@ oops_einval: return STIX_NULL; } + + +stix_oop_t stix_strtoint (stix_t* stix, const stix_ooch_t* str, stix_oow_t len, unsigned int radix) +{ + int neg = 0; + const stix_ooch_t* ptr, * start, * end; + stix_oow_t w, v, r; + stix_oohw_t hw[64]; + stix_oow_t hwlen; + + STIX_ASSERT (radix >= 2 && radix <= 36); + + ptr = str; + end = str + len; + + if (ptr < end) + { + if (*ptr == '+') ptr++; + else if (*ptr == '-') + { + ptr++; + neg = 1; + } + } + + if (ptr >= end) goto oops_einval; /* no digits */ + + while (ptr < end && *ptr == '0') + { + /* skip leading zeros */ + ptr++; + } + if (ptr >= end) + { + /* all zeros */ + return STIX_OOP_FROM_SMINT(0); + } + + if (IS_POWER_OF_2(radix)) + { + unsigned int exp; + + /* get log2(radix) in a fast way under the fact that + * radix is a power of 2. */ + #if defined(__GNUC__) && (defined(__x86_64) || defined(__amd64) || defined(__i386) || defined(i386)) + /* use the Bit Scan Forward instruction */ + __asm__ volatile ( + "bsf %1,%0\n\t" + : "=&r"(exp) /* output */ + : "r"(radix) /* input */ + ); + + #elif defined(__GNUC__) && defined(__arm__) + + __asm__ volatile ( + "clz %0,%1\n\t" + : "=&r"(exp) /* output */ + : "r"(radix) /* input */ + + /* TODO: ARM - use clz, PPC - use cntlz, cntlzw, cntlzd, SPARC - use lzcnt, MIPS clz */ + #else + static unsigned int exp_tab[] = + { + 0, 0, 1, 0, 2, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 4, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, 0 + }; + exp = exp_tab[radix]; + #endif + + start = ptr; /* this is the real start */ + ptr = end - 1; + + hwlen = 0; + w = 0; + r = 1; + while (ptr >= start) + { + if (*ptr >= '0' && *ptr <= '9') v = *ptr - '0'; + else if (*ptr >= 'A' && *ptr <= 'Z') v = *ptr - 'A' + 10; + else if (*ptr >= 'a' && *ptr <= 'z') v = *ptr - 'a' + 10; + else goto oops_einval; + + if (v >= radix) goto oops_einval; + + printf ("wwww=<<%lx>>", (long int)w); + w += v * r; + printf ("r=><<%lX>> v<<%lX>> w<<%lX>>\n", (long int)r, (long int)v, (long int)w); + if (w > STIX_TYPE_MAX(stix_oohw_t)) + { + hw[hwlen++] = (stix_oohw_t)(w & STIX_LBMASK(stix_oow_t, STIX_OOHW_BITS)); + w = w >> STIX_OOHW_BITS; + if (w == 0) r = 1; + else r = radix; + } + else + { + r = r * radix; + } + + ptr--; + } + + STIX_ASSERT (w <= STIX_TYPE_MAX(stix_oohw_t)); + hw[hwlen++] = w; + } + else + { + /* TODO: XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX */ + } + +/* + if (hwlen == 1) return STIX_OOP_FROM_SMINT((stix_ooi_t)hw[0] * -neg); + else if (hwlen == 2) + { + w = MAKE_WORD(hw[0], hw[1]); + if (neg) + { + if (w <= STIX_SMINT_MAX + 1) return STIX_OOP_FROM_SMINT(-(stix_ooi_t)w); + } + else + { + if (w <= STIX_SMINT_MAX) return STIX_OOP_FROM_SMINT(w); + } + } +*/ + +{ int i; +for (i = hwlen; i > 0;) +{ +printf ("%x ", hw[--i]); +} +printf ("\n"); +} + return stix_instantiate (stix, (neg? stix->_large_negative_integer: stix->_large_positive_integer), hw, hwlen); + +oops_einval: + stix->errnum = STIX_EINVAL; + return STIX_NULL; +} diff --git a/stix/lib/main.c b/stix/lib/main.c index 41e163c..f71505d 100644 --- a/stix/lib/main.c +++ b/stix/lib/main.c @@ -434,6 +434,10 @@ int main (int argc, char* argv[]) return -1; } + + + + { stix_oow_t tab_size; @@ -457,6 +461,20 @@ int main (int argc, char* argv[]) return -1; } + +{ + +/*const stix_bch_t* xxx = "9999999999999999999999999999999999999999999999999999999999999999999999999999999999";*/ +const stix_bch_t* xxx = "7777777777777777777777777"; +stix_ooch_t buf[10240]; +stix_oow_t xxxlen; +stix_oow_t buflen; + +xxxlen = stix_countbcstr(xxx); +buflen = STIX_COUNTOF(buf); +stix_utf8toucs (xxx, &xxxlen, buf, &buflen); +stix_strtoint (stix, buf, buflen, 16); +} { stix_ooch_t x[] = { 'X', 't', 'r', 'i', 'n', 'g', '\0' }; stix_ooch_t y[] = { 'S', 'y', 'm', 'b', 'o', 'l', '\0' }; diff --git a/stix/lib/stix-cmn.h b/stix/lib/stix-cmn.h index 40475c9..f7edbbe 100644 --- a/stix/lib/stix-cmn.h +++ b/stix/lib/stix-cmn.h @@ -439,6 +439,38 @@ struct stix_cmgr_t +/** + * The STIX_TYPE_IS_SIGNED() macro determines if a type is signed. + * \code + * printf ("%d\n", (int)STIX_TYPE_IS_SIGNED(int)); + * printf ("%d\n", (int)STIX_TYPE_IS_SIGNED(unsigned int)); + * \endcode + */ +#define STIX_TYPE_IS_SIGNED(type) (((type)0) > ((type)-1)) + +/** + * The STIX_TYPE_IS_SIGNED() macro determines if a type is unsigned. + * \code + * printf ("%d\n", STIX_TYPE_IS_UNSIGNED(int)); + * printf ("%d\n", STIX_TYPE_IS_UNSIGNED(unsigned int)); + * \endcode + */ +#define STIX_TYPE_IS_UNSIGNED(type) (((type)0) < ((type)-1)) + +#define STIX_TYPE_SIGNED_MAX(type) \ + ((type)~((type)1 << (STIX_SIZEOF(type) * 8 - 1))) +#define STIX_TYPE_UNSIGNED_MAX(type) ((type)(~(type)0)) + +#define STIX_TYPE_SIGNED_MIN(type) \ + ((type)((type)1 << (STIX_SIZEOF(type) * 8 - 1))) +#define STIX_TYPE_UNSIGNED_MIN(type) ((type)0) + +#define STIX_TYPE_MAX(type) \ + ((STIX_TYPE_IS_SIGNED(type)? STIX_TYPE_SIGNED_MAX(type): STIX_TYPE_UNSIGNED_MAX(type))) +#define STIX_TYPE_MIN(type) \ + ((STIX_TYPE_IS_SIGNED(type)? STIX_TYPE_SIGNED_MIN(type): STIX_TYPE_UNSIGNED_MIN(type))) + + /* ========================================================================= * BASIC STIX TYPES * =========================================================================*/ diff --git a/stix/lib/stix-utl.c b/stix/lib/stix-utl.c index 6b67b14..2f446c3 100644 --- a/stix/lib/stix-utl.c +++ b/stix/lib/stix-utl.c @@ -147,6 +147,20 @@ stix_size_t stix_copybcstr (stix_bch_t* dst, stix_size_t len, const stix_bch_t* return p - dst; } +stix_size_t stix_countucstr (const stix_uch_t* str) +{ + const stix_uch_t* ptr = str; + while (*ptr != '\0') ptr++; + return ptr - str; +} + +stix_size_t stix_countbcstr (const stix_bch_t* str) +{ + const stix_bch_t* ptr = str; + while (*ptr != '\0') ptr++; + return ptr - str; +} + stix_uch_t* stix_finduchar (const stix_uch_t* ptr, stix_size_t len, stix_uch_t c) { const stix_uch_t* end; @@ -161,7 +175,7 @@ stix_uch_t* stix_finduchar (const stix_uch_t* ptr, stix_size_t len, stix_uch_t c return STIX_NULL; } -stix_uch_t* stix_findbchar (const stix_bch_t* ptr, stix_size_t len, stix_bch_t c) +stix_bch_t* stix_findbchar (const stix_bch_t* ptr, stix_size_t len, stix_bch_t c) { const stix_bch_t* end; diff --git a/stix/lib/stix-utl.h b/stix/lib/stix-utl.h index cc2177f..06f747b 100644 --- a/stix/lib/stix-utl.h +++ b/stix/lib/stix-utl.h @@ -41,6 +41,7 @@ extern "C" { # define stix_copybchtooochars(dst,src,len) stix_copybchtouchars(dst,src,len) # define stix_copyoocstr(dst,len,src) stix_copyucstr(dst,len,src) # define stix_findoochar(ptr,len,c) stix_finduchar(ptr,len,c) +# define stix_countoocstr(str) stix_countucstr(str) #else # define stix_hashchars(ptr,len) stix_hashbchars(ptr,len) # define stix_compoocbcstr(str1,str2) stix_compbcstr(str1,str2) @@ -49,6 +50,7 @@ extern "C" { # define stix_copybchtooochars(dst,src,len) stix_copybchars(dst,src,len) # define stix_copyoocstr(dst,len,src) stix_copybcstr(dst,len,src) # define stix_findoochar(ptr,len,c) stix_findbchar(ptr,len,c) +# define stix_countoocstr(str) stix_countbcstr(str) #endif @@ -113,18 +115,6 @@ void stix_copybchtouchars ( stix_size_t len ); -stix_uch_t* stix_finduchar ( - const stix_uch_t* ptr, - stix_size_t len, - stix_uch_t c -); - -stix_uch_t* stix_findbchar ( - const stix_bch_t* ptr, - stix_size_t len, - stix_bch_t c -); - stix_size_t stix_copyucstr ( stix_uch_t* dst, stix_size_t len, @@ -137,6 +127,25 @@ stix_size_t stix_copybcstr ( const stix_bch_t* src ); +stix_uch_t* stix_finduchar ( + const stix_uch_t* ptr, + stix_size_t len, + stix_uch_t c +); + +stix_bch_t* stix_findbchar ( + const stix_bch_t* ptr, + stix_size_t len, + stix_bch_t c +); + +stix_size_t stix_countucstr ( + const stix_uch_t* str +); + +stix_size_t stix_countbcstr ( + const stix_bch_t* str +); #if defined(__cplusplus) } diff --git a/stix/libltdl/autom4te.cache/output.0 b/stix/libltdl/autom4te.cache/output.0 deleted file mode 100644 index 19a77e7..0000000 --- a/stix/libltdl/autom4te.cache/output.0 +++ /dev/null @@ -1,14888 +0,0 @@ -@%:@! /bin/sh -@%:@ Guess values for system-dependent variables and create Makefiles. -@%:@ Generated by GNU Autoconf 2.69 for libltdl 2.4.2. -@%:@ -@%:@ Report bugs to . -@%:@ -@%:@ -@%:@ Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc. -@%:@ -@%:@ -@%:@ This configure script is free software; the Free Software Foundation -@%:@ gives unlimited permission to copy, distribute and modify it. -## -------------------- ## -## M4sh Initialization. ## -## -------------------- ## - -# Be more Bourne compatible -DUALCASE=1; export DUALCASE # for MKS sh -if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then : - emulate sh - NULLCMD=: - # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which - # is contrary to our usage. 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