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  • 'NAN' and +/- Infinity
    In ANSI C, relative to floats and doubles, is the concept of 'not a number' and plus and minus infinity supported by named constants that you can use to test variables with to see if they do contain...
  • Is a Access breakpoint on NaN possible?
    Hi, I am debuging a STM32F4 / Cortex-M4. MDK-ARM Pro 5.18a I am trying to find the cause of a NaN Value. Is it possible to set an access breakpoint triggering for 1.#QNAN? Timo
  • Float reads NAN after a write
    Hi I noticed a strange effect with a floating point register and wonder if this is normal. Initially on reading the register I found it contained a value of 3.15917e-38. The C routines obviously found...
  • ieee float -1#nan value
    Hi, I accidentally stuff the value of 0xFFFF into a float variable (fVal). My emulator shows me its value is -1#nan (not a number) and my limit clipping code did not work on this value ie, if...