About floating point format

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G L
G L 2020-6-11
回答： James Tursa 2020-6-11
how the 64 bit floating point format used as the standard number format in Matlab is composed?
Which parts within that scheme is responsible for the precision and for the range of the numbers you can use?
What is the disadvantage of that number format.
For comparison, how is a 32 bit signed integer format composed. What is the limitations of this format (more than two)?

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回答（1 个）

James Tursa
James Tursa 2020-6-11
The 64-bit floating point format is IEEE double:
https://en.wikipedia.org/wiki/Double-precision_floating-point_format
The 32-bit signed integer format is 2's complement:
https://en.wikipedia.org/wiki/Two%27s_complement

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