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52 lines
1.9 KiB
52 lines
1.9 KiB
/*
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Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License, version 2.0,
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as published by the Free Software Foundation.
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This program is also distributed with certain software (including
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but not limited to OpenSSL) that is licensed under separate terms,
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as designated in a particular file or component or in included license
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documentation. The authors of MySQL hereby grant you an additional
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permission to link the program and your derivative works with the
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separately licensed software that they have included with MySQL.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License, version 2.0, for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
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#ifndef MY_DOUBLE2ULONGLONG_INCLUDED
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#define MY_DOUBLE2ULONGLONG_INCLUDED
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/**
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@file include/my_double2ulonglong.h
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Utility functions for converting between ulonglong and double.
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*/
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#include "my_inttypes.h"
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#ifdef _WIN32
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inline unsigned long long my_double2ulonglong(double d) {
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double t = d - (double)0x8000000000000000ULL;
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if (t >= 0) return ((unsigned long long)t) + 0x8000000000000000ULL;
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return (unsigned long long)d;
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}
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#define double2ulonglong my_double2ulonglong
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#endif /* _WIN32 */
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#ifndef ulonglong2double
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#define ulonglong2double(A) ((double)(ulonglong)(A))
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#define my_off_t2double(A) ((double)(my_off_t)(A))
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#endif
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#ifndef double2ulonglong
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#define double2ulonglong(A) ((ulonglong)(double)(A))
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#endif
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#endif // MY_DOUBLE2ULONGLONG_INCLUDED
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