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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{{CodeBox|'''function''' floatToByteTable(''Number'') ''':''' Table}}
  
 
Converts a single precision (32-bit) floating point number to a table of bytes.
 
Converts a single precision (32-bit) floating point number to a table of bytes.
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===Returns===
 
===Returns===
 
Table — A table containing the bytes representing the float.
 
Table — A table containing the bytes representing the float.
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===Explanation===
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The "ToByteTable" functions convert a value (such as an integer or floating-point number) into a table of bytes that represent how the value is stored in memory.
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For example, if you use <code>wordToByteTable(1337)</code>:
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- The decimal number <code>1337</code> is <code>0x0539</code> in hexadecimal.
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- Computers typically use little-endian order, meaning the least significant byte comes first.
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- So, <code>0x0539</code> is split into two bytes: <code>0x39</code> (57 in decimal) and <code>0x05</code> (5 in decimal).
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- The resulting byte table is <code>{0x39, 0x05}</code> or <code>{57, 5}</code>.
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This means:
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- <code>bytes[1] = 0x39</code> (the low byte)
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- <code>bytes[2] = 0x05</code> (the high byte)
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This process applies to all "ToByteTable" functions: 
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They break down the value into its raw bytes, ordered from least significant to most significant (little-endian).
  
 
===Examples===
 
===Examples===
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{{LuaSeeAlso}}
 
{{LuaSeeAlso}}
  
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=== Related Functions ===
 
 
{{ReadWriteMemory}}
 
{{ReadWriteMemory}}

Latest revision as of 20:42, 24 June 2026

<> Reference

function floatToByteTable(Number) : Table

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

Function Parameters[edit]

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

Returns[edit]

Table — A table containing the bytes representing the float.

Explanation[edit]

The "ToByteTable" functions convert a value (such as an integer or floating-point number) into a table of bytes that represent how the value is stored in memory.

For example, if you use wordToByteTable(1337):

- The decimal number 1337 is 0x0539 in hexadecimal. - Computers typically use little-endian order, meaning the least significant byte comes first. - So, 0x0539 is split into two bytes: 0x39 (57 in decimal) and 0x05 (5 in decimal). - The resulting byte table is {0x39, 0x05} or {57, 5}.

This means: - bytes[1] = 0x39 (the low byte) - bytes[2] = 0x05 (the high byte)

This process applies to all "ToByteTable" functions: They break down the value into its raw bytes, ordered from least significant to most significant (little-endian).

Examples[edit]

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

See Also[edit]

Main Pages

Memory Access Related Lua Functions



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