I have some decimal numbers in a text file represented in exponential form Eg: 144.2e-3. I want to store the values in float. In qt it returns “0” when i directly use the “number.toFloat()” method. Please help.
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I have some decimal numbers in a text file represented in exponential form Eg: 144.2e-3. I want to store the values in float. In qt it returns “0” when i directly use the “number.toFloat()” method. Please help.
toFloat() should work. Check that your string contains only the number. If the string contains something else too, for example
"144.2e-3 a", then the toFloat() returns 0. Note that also other numbers in the string will cause the conversion to fail, for exampleQString("144.2e-3 100").toFloat()will return 0.Additional whitespace in the number string doesn’t matter, but other characters do.