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* remove roompoly * git subrepo pull --force tools/ZAPD subrepo: subdir: "tools/ZAPD" merged: "fd4d53a26" upstream: origin: "https://github.com/zeldaret/ZAPD.git" branch: "master" commit: "fd4d53a26" git-subrepo: version: "0.4.3" origin: "https://github.com/ingydotnet/git-subrepo.git" commit: "2f68596"
233 lines
6.7 KiB
C++
233 lines
6.7 KiB
C++
/*
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Open Asset Import Library (assimp)
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----------------------------------------------------------------------
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Copyright (c) 2006-2019, assimp team
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All rights reserved.
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Redistribution and use of this software in source and binary forms,
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with or without modification, are permitted provided that the
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following conditions are met:
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* Redistributions of source code must retain the above
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copyright notice, this list of conditions and the
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following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the
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following disclaimer in the documentation and/or other
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materials provided with the distribution.
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* Neither the name of the assimp team, nor the names of its
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contributors may be used to endorse or promote products
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derived from this software without specific prior
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written permission of the assimp team.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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----------------------------------------------------------------------
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*/
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/** @file Definition of platform independent string workers:
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ASSIMP_itoa10
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ASSIMP_stricmp
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ASSIMP_strincmp
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These functions are not consistently available on all platforms,
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or the provided implementations behave too differently.
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*/
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#ifndef INCLUDED_AI_STRING_WORKERS_H
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#define INCLUDED_AI_STRING_WORKERS_H
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#include <assimp/ai_assert.h>
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#include <assimp/defs.h>
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#include "StringComparison.h"
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#include <string.h>
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#include <stdint.h>
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#include <string>
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namespace Assimp {
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// -------------------------------------------------------------------------------
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/** @brief itoa with a fixed base 10
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* 'itoa' is not consistently available on all platforms so it is quite useful
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* to have a small replacement function here. No need to use a full sprintf()
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* if we just want to print a number ...
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* @param out Output buffer
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* @param max Maximum number of characters to be written, including '\0'.
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* This parameter may not be 0.
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* @param number Number to be written
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* @return Length of the output string, excluding the '\0'
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*/
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AI_FORCE_INLINE
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unsigned int ASSIMP_itoa10( char* out, unsigned int max, int32_t number) {
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ai_assert(NULL != out);
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// write the unary minus to indicate we have a negative number
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unsigned int written = 1u;
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if (number < 0 && written < max) {
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*out++ = '-';
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++written;
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number = -number;
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}
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// We begin with the largest number that is not zero.
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int32_t cur = 1000000000; // 2147483648
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bool mustPrint = false;
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while (written < max) {
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const unsigned int digit = number / cur;
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if (mustPrint || digit > 0 || 1 == cur) {
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// print all future zeroe's from now
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mustPrint = true;
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*out++ = '0'+static_cast<char>(digit);
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++written;
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number -= digit*cur;
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if (1 == cur) {
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break;
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}
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}
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cur /= 10;
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}
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// append a terminal zero
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*out++ = '\0';
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return written-1;
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}
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// -------------------------------------------------------------------------------
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/** @brief itoa with a fixed base 10 (Secure template overload)
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* The compiler should choose this function if he or she is able to determine the
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* size of the array automatically.
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*/
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template <size_t length>
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AI_FORCE_INLINE
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unsigned int ASSIMP_itoa10( char(& out)[length], int32_t number) {
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return ASSIMP_itoa10(out,length,number);
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}
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// -------------------------------------------------------------------------------
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/** @brief Helper function to do platform independent string comparison.
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*
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* This is required since stricmp() is not consistently available on
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* all platforms. Some platforms use the '_' prefix, others don't even
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* have such a function.
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*
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* @param s1 First input string
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* @param s2 Second input string
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* @return 0 if the given strings are identical
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*/
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AI_FORCE_INLINE
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int ASSIMP_stricmp(const char *s1, const char *s2) {
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ai_assert( NULL != s1 );
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ai_assert( NULL != s2 );
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#if (defined _MSC_VER)
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return ::_stricmp(s1,s2);
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#elif defined( __GNUC__ )
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return ::strcasecmp(s1,s2);
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#else
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char c1, c2;
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do {
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c1 = tolower(*s1++);
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c2 = tolower(*s2++);
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}
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while ( c1 && (c1 == c2) );
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return c1 - c2;
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#endif
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}
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// -------------------------------------------------------------------------------
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/** @brief Case independent comparison of two std::strings
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*
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* @param a First string
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* @param b Second string
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* @return 0 if a == b
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*/
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AI_FORCE_INLINE
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int ASSIMP_stricmp(const std::string& a, const std::string& b) {
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int i = (int)b.length()-(int)a.length();
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return (i ? i : ASSIMP_stricmp(a.c_str(),b.c_str()));
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}
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// -------------------------------------------------------------------------------
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/** @brief Helper function to do platform independent string comparison.
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*
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* This is required since strincmp() is not consistently available on
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* all platforms. Some platforms use the '_' prefix, others don't even
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* have such a function.
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*
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* @param s1 First input string
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* @param s2 Second input string
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* @param n Macimum number of characters to compare
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* @return 0 if the given strings are identical
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*/
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AI_FORCE_INLINE
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int ASSIMP_strincmp(const char *s1, const char *s2, unsigned int n) {
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ai_assert( NULL != s1 );
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ai_assert( NULL != s2 );
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if ( !n ) {
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return 0;
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}
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#if (defined _MSC_VER)
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return ::_strnicmp(s1,s2,n);
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#elif defined( __GNUC__ )
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return ::strncasecmp(s1,s2, n);
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#else
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char c1, c2;
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unsigned int p = 0;
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do
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{
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if (p++ >= n)return 0;
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c1 = tolower(*s1++);
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c2 = tolower(*s2++);
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}
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while ( c1 && (c1 == c2) );
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return c1 - c2;
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#endif
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}
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// -------------------------------------------------------------------------------
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/** @brief Evaluates an integer power
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*
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* todo: move somewhere where it fits better in than here
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*/
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AI_FORCE_INLINE
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unsigned int integer_pow( unsigned int base, unsigned int power ) {
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unsigned int res = 1;
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for ( unsigned int i = 0; i < power; ++i ) {
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res *= base;
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}
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return res;
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}
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} // end of namespace
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#endif // ! AI_STRINGCOMPARISON_H_INC
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