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Note bitwise operator replacements for most of bit.lua

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dmiller
2017-03-29 20:58:36 +00:00
parent 4cef14a873
commit b75446db64
1 changed files with 14 additions and 0 deletions
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14
nselib/bit.lua
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@@ -15,6 +15,8 @@ local mininteger = require "math".mininteger
local _ENV = {} local _ENV = {}
--- Returns the one's complement of <code>a</code>. --- Returns the one's complement of <code>a</code>.
--
-- REPLACEMENT: <code>~a</code>
-- @param a Number. -- @param a Number.
-- @return The one's complement of <code>a</code>. -- @return The one's complement of <code>a</code>.
function bnot(a) function bnot(a)
@@ -22,6 +24,8 @@ function bnot(a)
end end
--- Returns the bitwise and of all its arguments. --- Returns the bitwise and of all its arguments.
--
-- REPLACEMENT: <code>a & b</code>
-- @param ... A variable number of Numbers to and. -- @param ... A variable number of Numbers to and.
-- @return The anded result. -- @return The anded result.
function band(a, b, ...) function band(a, b, ...)
@@ -34,6 +38,8 @@ function band(a, b, ...)
end end
--- Returns the bitwise or of all its arguments. --- Returns the bitwise or of all its arguments.
--
-- REPLACEMENT: <code>a | b</code>
-- @param ... A variable number of Numbers to or. -- @param ... A variable number of Numbers to or.
-- @return The ored result. -- @return The ored result.
function bor(a, b, ...) function bor(a, b, ...)
@@ -46,6 +52,8 @@ function bor(a, b, ...)
end end
--- Returns the bitwise exclusive or of all its arguments. --- Returns the bitwise exclusive or of all its arguments.
--
-- REPLACEMENT: <code>a ~ b</code>
-- @param ... A variable number of Numbers to exclusive or. -- @param ... A variable number of Numbers to exclusive or.
-- @return The exclusive ored result. -- @return The exclusive ored result.
function bxor(a, b, ...) function bxor(a, b, ...)
@@ -58,6 +66,8 @@ function bxor(a, b, ...)
end end
--- Returns <code>a</code> left-shifted by <code>b</code> places. --- Returns <code>a</code> left-shifted by <code>b</code> places.
--
-- REPLACEMENT: <code>a << b</code>
-- @param a Number to perform the shift on. -- @param a Number to perform the shift on.
-- @param b Number of shifts. -- @param b Number of shifts.
function lshift(a, b) function lshift(a, b)
@@ -65,6 +75,8 @@ function lshift(a, b)
end end
--- Returns <code>a</code> right-shifted by <code>b</code> places. --- Returns <code>a</code> right-shifted by <code>b</code> places.
--
-- REPLACEMENT: <code>a >> b</code>
-- @param a Number to perform the shift on. -- @param a Number to perform the shift on.
-- @param b Number of shifts. -- @param b Number of shifts.
function rshift(a, b) function rshift(a, b)
@@ -88,6 +100,8 @@ function arshift(a, b)
end end
--- Returns the integer remainder of <code>a</code> divided by <code>b</code>. --- Returns the integer remainder of <code>a</code> divided by <code>b</code>.
--
-- REPLACEMENT: <code>a % b</code>
-- @param a Dividend. -- @param a Dividend.
-- @param b Divisor. -- @param b Divisor.
function mod(a, b) function mod(a, b)