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Decimal floating point to binary floating point
01-01-2019, 07:27 AM
Post: #12
RE: Decimal floating point to binary floating point
(12-28-2018 09:33 AM)Paul Dale Wrote:  
(12-28-2018 03:45 AM)Dan Wrote:  I thought to store numbers in IEEE 754 binary64 format, i.e. double precision and write algorithms for +.-,*,/ using the single precision hardware instructions, but I may drop that idea.

I wouldn't be surprised if the library implementation of double precision did this already.


Pauli

Keil's ARM compiler uses single precision hardware instructions in the multiplication subroutine for float data types but not for doubles, as far as I can tell from the disassembly.
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RE: Decimal floating point to binary floating point - Dan - 01-01-2019 07:27 AM



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