Converting a string of numbers into an array of booleans

[vikingsfan345]

For a homework assignment, I need to convert a string of numbers into an array of booleans.  The string is a bunch of random numbers (0-9) in sequence, with no spaces.  It looks something like this: 0123452348949230740329817438120947392147809231419.  I need to make it so that each even number represents a "True" boolean and so that each odd number represents a "False" boolean.  I think that I first need to convert each element of the string into a number, and then use a case structure (or something) to say, for each element of the array, "If even, then true.  If odd, then false," but I could be wrong.  Any suggestions?

[billko]

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@vikingsfan345 wrote:

For a homework assignment, I need to convert a string of numbers into an array of booleans.  The string is a bunch of random numbers (0-9) in sequence, with no spaces.  It looks something like this: 0123452348949230740329817438120947392147809231419.  I need to make it so that each even number represents a "True" boolean and so that each odd number represents a "False" boolean.  I think that I first need to convert each element of the string into a number, and then use a case structure (or something) to say, for each element of the array, "If even, then true.  If odd, then false," but I could be wrong.  Any suggestions?

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Sounds reasonable.  Think about the definition of "odd" and "even" and it will make life a lot easier.  🙂

[Hooovahh]

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@billko wrote:

Sounds reasonable.  Think about the definition of "odd" and "even" and it will make life a lot easier.  🙂

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I know you are trying to be vague but I'd like to give a key hint.  Use the Quotient and Remainder function.

[billko]

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@Hooovahh wrote:

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@billko wrote:

Sounds reasonable.  Think about the definition of "odd" and "even" and it will make life a lot easier.  🙂

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I know you are trying to be vague but I'd like to give a key hint.  Use the Quotient and Remainder function.

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LOL maybe that was one of the objectives of the homework.  😉

[altenbach]

A bitwise AND with a special number is typically simpler. Try to figure it out.

[Hooovahh]

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@billko wrote:

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@Hooovahh wrote:

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@billko wrote:

Sounds reasonable.  Think about the definition of "odd" and "even" and it will make life a lot easier.  🙂

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I know you are trying to be vague but I'd like to give a key hint.  Use the Quotient and Remainder function.

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LOL maybe that was one of the objectives of the homework.  😉

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To be fair it sounds like there is more work that is needed.  A new user of LabVIEW will have a hard time figuring out how to process each character one at a time when it isn't in an array.  

It's just that most people (me at least) stopped thinking about division with quotient and remainder after basic algebra.  I then of course changed my way of thinking when I used LabVIEW.  Still most of the time when you use division you want to know the fractional part as a decimal.  Thinking this way makes the problem more difficult then it needs to be.

[billko]

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@altenbach wrote:

A bitwise AND with a special number is typically simpler. Try to figure it out.

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I always forget about how to do things bitwise.  My mind just refuses to think like that.

[vikingsfan345]

Ok, I see what you guys are saying with regards to the quotient and remainder function.  I'm mainly stumped on converting each character in the string of numbers into a number.  I know that there is a function called, "Decimal String to Number," which I tried using, but with no success.  I'm thinking that I'll probably have to convert the entire string into one big number, and then from there I will be able to select each individual number.  Any tips on converting the string of numbers into a number (or converting each character into a number if that will work)?

[altenbach]

Just convert to a U8 array and autoindex over it. You could use a LUT for even/odd You could even do it completely loop-free 😄

[Hooovahh]

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@altenbach wrote:

Just convert to a U8 array and autoindex over it. You could use a LUT for even/odd You could even do it completely loop-free 😄

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I'm not sure how many new programmers to LabVIEW know much about the ASCII table, which is what that U8 array will be.  While you come up with the better solution for the situation, I feel like that type of method will confuse new users.

You may have better luck if you process each string character one at a time, rather then trying to convert the whole string at once, and then get each digit.