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71aa9b75f2
During the refactoring needed for lazy free, specifically the conversion of t_hash from struct robj to plain SDS strings, HINCRBFLOAT was accidentally moved away from long doubles to doubles for internal processing of increments and formatting. The diminished precision created more obvious artifacts in the way small numbers are formatted once we convert from decimal number in radix 10 to double and back to its string in radix 10. By using more precision, we now have less surprising results at least with small numbers like "1.23", exactly like in the previous versions of Redis. See issue #2846.
55 lines
2.4 KiB
C
55 lines
2.4 KiB
C
/*
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* Copyright (c) 2009-2012, Salvatore Sanfilippo <antirez at gmail dot com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of Redis nor the names of its contributors may be used
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* to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __REDIS_UTIL_H
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#define __REDIS_UTIL_H
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#include <stdint.h>
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#include "sds.h"
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int stringmatchlen(const char *p, int plen, const char *s, int slen, int nocase);
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int stringmatch(const char *p, const char *s, int nocase);
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long long memtoll(const char *p, int *err);
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uint32_t digits10(uint64_t v);
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uint32_t sdigits10(int64_t v);
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int ll2string(char *s, size_t len, long long value);
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int string2ll(const char *s, size_t slen, long long *value);
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int string2l(const char *s, size_t slen, long *value);
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int string2ld(const char *s, size_t slen, long double *dp);
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int d2string(char *buf, size_t len, double value);
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int ld2string(char *buf, size_t len, long double value, int humanfriendly);
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sds getAbsolutePath(char *filename);
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int pathIsBaseName(char *path);
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#ifdef REDIS_TEST
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int utilTest(int argc, char **argv);
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#endif
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#endif
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