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Found 2 results

  1. So I have a serious question. Does LabVIEW have a way (built in or library) of calculating the next larger or next smaller floating point value. C standard library "math.h" has two functions: nextafter, and nexttowards. I have put together a c function: that seems to do the trick nicely for single floats (well only for stepup): #include <math.h> #include <stdint.h> uint32_t nextUpFloat(uint32_t v){ uint32_t sign; = v&0x80000000; if (v==0x80000000||v==0){ //For zero and neg zero return 1; } if ((v>=0x7F800000 && v<0x80000000)||(v>0xff800000)){ //Check for Inf and NAN return v; //no higher value in these cases. } sign = v&0x80000000; //Get sign bit v&=0x7FFFFFFF; //strip sign bit if(sign==0){ v++; }else{ v--; } v=v|sign; //re merge sign return v; } I could put this in labVIEW, but these things are tricky and there are some unexpected cases. So its always better to use a reference.
  2. When the cursor in the numeric field of a numeric control is for example after the 10s/100s digit, the increment/decrement buttons have a step of 10/100. How can I prevent that? I always want a step of 1. I tried setting the Data Entry Increment property to 1 but that did not change this behaviour..
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