Floating point number conversion

[flea333]

I have a string: 3.333332976326346e-004
When I use atof is returns 0.00. Is this string too long? Whats going on?

 

[knob]

Are you displaying this value using the usermsg command? If you, you'll need to add the appropriate format specifier to get the format you want. For example, if I do the atof conversion and then just do a usermsg "%f" floatvar, I get 0.00. However, if I replace %f with %g, I get 0.00033. If you look at the help topic titled Formatting Text and Data, you can see the various format types that can be used when outputting data.


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