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Floating Point Number parsing: Is there a Catch All algorithm?


By : zulkamal
Date : March 29 2020, 07:55 AM
should help you out I think the best you can do in this case is to take their input and then show them what you think they meant. If they disagree, show them the format you're expecting and get them to enter it again.
code :


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Parsing yytext for floating point number gives zero


By : Mus
Date : March 29 2020, 07:55 AM
it helps some times
For debugging, I have added the printf statements, and they show that strtof function is unable to parse numbers correctly.
code :
printf("%f has been read\n", yylval);

printf("%d (int) has been read\n", yylval); 

Input Validation of a Floating Point Number (Inside a Try-Catch Block)


By : Juan gutierrez
Date : March 29 2020, 07:55 AM
This might help you You could do the floating point number validation in the try-catch like this.
code :
do {
    System.out.print(motherHeightPrompt);
    try {
        motherHeight = Float.parseFloat(stdIn.nextLine()); // This will read the line and try to parse it to a floating value
        valid = true;
    } catch (NumberFormatException e) { // if it was not a valid float, you'll get this exception
        System.out.println(motherError2);
            // You need not have that extra stdIn.next()
            // it loops again, prompting the user for another input
    }
} while (!valid); // The loop ends when a valid float is got from the user

Algorithm(s) for formatting floating point to decimal number


By : anupoju pavan
Date : March 29 2020, 07:55 AM
hop of those help? you should have a look at the glibc, especially the printf function. this is where the authoritative answer for at least one popular implementation lies. i doubt that it is too readable, though.
it is definitely done in software.

Parsing floating point number from Radix number


By : yaqine essadiki
Date : March 29 2020, 07:55 AM
This might help you In JavaScript, you could use parseInt to get the number you want, assuming it's in string format:

Parsing a floating point number with mantissa in Java


By : Maurice Gilden
Date : March 29 2020, 07:55 AM
will help you You need to differentiate between the value stored in a double and its string representation.
A double doesn't store a textual representation at all. 1.243544322E33 is 1.243544322E+33. They're the same value.
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