/usr/include/js/jslong.h is in libmozjs185-dev 1.8.5-1.0.0+dfsg-4ubuntu1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Communicator client code, released
* March 31, 1998.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
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* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
/*
** File: jslong.h
** Description: Portable access to 64 bit numerics
**
** Long-long (64-bit signed integer type) support. Some C compilers
** don't support 64 bit integers yet, so we use these macros to
** support both machines that do and don't.
**/
#ifndef jslong_h___
#define jslong_h___
#include "jstypes.h"
JS_BEGIN_EXTERN_C
#define JSLL_INIT(hi, lo) ((((JSInt64)(hi)) << 32) + (JSInt64)(lo))
/***********************************************************************
** MACROS: JSLL_*
** DESCRIPTION:
** The following macros define portable access to the 64 bit
** math facilities.
**
***********************************************************************/
/***********************************************************************
** MACROS: JSLL_<relational operators>
**
** JSLL_IS_ZERO Test for zero
** JSLL_EQ Test for equality
** JSLL_NE Test for inequality
** JSLL_GE_ZERO Test for zero or positive
** JSLL_CMP Compare two values
***********************************************************************/
#define JSLL_IS_ZERO(a) ((a) == 0)
#define JSLL_EQ(a, b) ((a) == (b))
#define JSLL_NE(a, b) ((a) != (b))
#define JSLL_GE_ZERO(a) ((a) >= 0)
#define JSLL_CMP(a, op, b) ((JSInt64)(a) op (JSInt64)(b))
#define JSLL_UCMP(a, op, b) ((JSUint64)(a) op (JSUint64)(b))
/***********************************************************************
** MACROS: JSLL_<logical operators>
**
** JSLL_AND Logical and
** JSLL_OR Logical or
** JSLL_XOR Logical exclusion
** JSLL_OR2 A disgusting deviation
** JSLL_NOT Negation (one's compliment)
***********************************************************************/
#define JSLL_AND(r, a, b) ((r) = (a) & (b))
#define JSLL_OR(r, a, b) ((r) = (a) | (b))
#define JSLL_XOR(r, a, b) ((r) = (a) ^ (b))
#define JSLL_OR2(r, a) ((r) = (r) | (a))
#define JSLL_NOT(r, a) ((r) = ~(a))
/***********************************************************************
** MACROS: JSLL_<mathematical operators>
**
** JSLL_NEG Negation (two's compliment)
** JSLL_ADD Summation (two's compliment)
** JSLL_SUB Difference (two's compliment)
***********************************************************************/
#define JSLL_NEG(r, a) ((r) = -(a))
#define JSLL_ADD(r, a, b) ((r) = (a) + (b))
#define JSLL_SUB(r, a, b) ((r) = (a) - (b))
/***********************************************************************
** MACROS: JSLL_<mathematical operators>
**
** JSLL_MUL Product (two's compliment)
** JSLL_DIV Quotient (two's compliment)
** JSLL_MOD Modulus (two's compliment)
***********************************************************************/
#define JSLL_MUL(r, a, b) ((r) = (a) * (b))
#define JSLL_DIV(r, a, b) ((r) = (a) / (b))
#define JSLL_MOD(r, a, b) ((r) = (a) % (b))
/***********************************************************************
** MACROS: JSLL_<shifting operators>
**
** JSLL_SHL Shift left [0..64] bits
** JSLL_SHR Shift right [0..64] bits with sign extension
** JSLL_USHR Unsigned shift right [0..64] bits
** JSLL_ISHL Signed shift left [0..64] bits
***********************************************************************/
#define JSLL_SHL(r, a, b) ((r) = (JSInt64)(a) << (b))
#define JSLL_SHR(r, a, b) ((r) = (JSInt64)(a) >> (b))
#define JSLL_USHR(r, a, b) ((r) = (JSUint64)(a) >> (b))
#define JSLL_ISHL(r, a, b) ((r) = (JSInt64)(a) << (b))
/***********************************************************************
** MACROS: JSLL_<conversion operators>
**
** JSLL_L2I Convert to signed 32 bit
** JSLL_L2UI Convert to unsigned 32 bit
** JSLL_L2F Convert to floating point
** JSLL_L2D Convert to floating point
** JSLL_I2L Convert signed to 64 bit
** JSLL_UI2L Convert unsigned to 64 bit
** JSLL_F2L Convert float to 64 bit
** JSLL_D2L Convert float to 64 bit
***********************************************************************/
#define JSLL_L2I(i, l) ((i) = (JSInt32)(l))
#define JSLL_L2UI(ui, l) ((ui) = (JSUint32)(l))
#define JSLL_L2F(f, l) ((f) = (JSFloat64)(l))
#define JSLL_L2D(d, l) ((d) = (JSFloat64)(l))
#define JSLL_I2L(l, i) ((l) = (JSInt64)(i))
#define JSLL_UI2L(l, ui) ((l) = (JSInt64)(ui))
#define JSLL_F2L(l, f) ((l) = (JSInt64)(f))
#define JSLL_D2L(l, d) ((l) = (JSInt64)(d))
/***********************************************************************
** MACROS: JSLL_UDIVMOD
** DESCRIPTION:
** Produce both a quotient and a remainder given an unsigned
** INPUTS: JSUint64 a: The dividend of the operation
** JSUint64 b: The quotient of the operation
** OUTPUTS: JSUint64 *qp: pointer to quotient
** JSUint64 *rp: pointer to remainder
***********************************************************************/
#define JSLL_UDIVMOD(qp, rp, a, b) \
(*(qp) = ((JSUint64)(a) / (b)), \
*(rp) = ((JSUint64)(a) % (b)))
JS_END_EXTERN_C
#endif /* jslong_h___ */
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