Difference between revisions of "Lua:floatToByteTable"

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[[Category:Lua]]
 
[[Category:Lua]]
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'''function''' floatToByteTable(''Number'') ''':''' table
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'''function''' floatToByteTable(''Number'') ''':''' Table
  
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Converts a DWORD (4 bytes), interpreted as a single precision floating point, to a byte table.
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Converts a single precision (32-bit) floating point number to a table of bytes.
  
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===Function Parameters===
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=== Function Parameters ===
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{|width="85%" cellpadding="10%" cellspacing="0" border="0"
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{|width="85%" cellpadding="10%" cellpadding="5%" cellspacing="0" border="0"
 
 
!align="left"|Parameter
 
!align="left"|Parameter
 
!align="left"|Type
 
!align="left"|Type
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|-
 
|-
 
|Number
 
|Number
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|number
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|Number
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|The number to convert to a byte table
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|The single precision floating point value to convert.
 
|}
 
|}
  
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===Returns===
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Table — A table containing the bytes representing the float.
  
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== Examples ==
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===Examples===
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  local bt = floatToByteTable(100.0)
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<pre>
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  writeBytes('00123ABC', bt)
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local bytes = floatToByteTable(3.14)
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for i, b in ipairs(bytes) do
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  print(string.format("Byte %d: %02X", i, b))
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Code:
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end
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  local bt = floatToByteTable(10)
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-- Output: 4 bytes representing the float in little-endian order
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  for i, v in ipairs(bt) do
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</pre>
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    print(i - 1, string.format('%02X', v))
 
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  end
 
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Output:
 
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  0 00
 
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  1 00
 
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  2 20
 
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  3 41
 
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Code:
 
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  local bt = floatToByteTable(10.9)
 
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  for i, v in ipairs(bt) do
 
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    print(i - 1, string.format('%02X', v))
 
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  end
 
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Output:
 
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  0 66
 
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  1 66
 
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  2 2E
 
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  3 41
 
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{{LuaSeeAlso}}
 
{{LuaSeeAlso}}

Revision as of 17:26, 11 July 2025

function floatToByteTable(Number) : Table

Converts a single precision (32-bit) floating point number to a table of bytes.

Function Parameters

Parameter Type Description
Number Number The single precision floating point value to convert.

Returns

Table — A table containing the bytes representing the float.

Examples

local bytes = floatToByteTable(3.14)
for i, b in ipairs(bytes) do
  print(string.format("Byte %d: %02X", i, b))
end
-- Output: 4 bytes representing the float in little-endian order

Main Pages

Core Lua documentation entry points

◆ Lua
◆ Script Engine

Related Functions



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