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Floating point unit demonstration on STM32 …
May 2016 DocID022737 Rev 21/311AN4044 Application noteFloating point unit demonstration on STM32 microcontrollers IntroductionThis application note explains how to use Floating - point units (FPUs) available in STM32 Cortex -M4 and STM32 Cortex -M7 microcontrollers, and also provides a short overview of: Floating - point X-CUBE-FPUDEMO firmware is developed to promote double precision FPUs, and to demonstrate the improvements coming from the use of this hardware examples are given in Section 4: Application Rev 2 Contents1 Floating - point arithmetic .. or Floating - point .. unit (FPU) .. 72 IEEE standard for Floating - point arithmetic (IEEE 754).
The IEEE.754 standard defines 6 arithmetic operations: • Add • Subtract • Multiply • Divide • Remainder • Square root 2.5 Number conversions The IEEE standard also defines some format conversion operations and comparison: • Floating-point and integer conversion
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