[Function] Converting a string to a floating point number

[atrX 426]

I got bored so decided to write some random functions and ended up writing something that might be somewhat useful to someone... It converts a string to a floating point number (or integer if it's not a decimal number). Have fun:

toFloat( in ) {

	// Don't accept arrays or undefined, return 0

	if( isArray( in ) || !isDefined( in ) )

		return 0;


	// Return original argument, it's not a string so doesn't need any special type conversion algorithm

	if( !isString( in ) )

		return in;


	// Split string into 2 seperate strings

	if( isSubStr( in, "," ) ) // Would be great if people wouldn't use fucking commas for decimals where I live

		num = strTok( in, "," );

	else

		num = strTok( in, "." );


	// Don't need to execute extra logic if the number isn't a decimal and therefore wasn't split into a multi-element array

	if( num.size <= 1 )

		return int( num[0] );


	pwr = 10;

	// Multiply by 10 for each extra character

	// Initialize i as 1, we don't need to multiply on the first index

	for( i = 1; i < num[1].size; i++ )

		pwr *= 10;


	return int( num[0] ) + int( num[1] ) / pwr;

}

 

Example usage:

number = toFloat( "666.66" ); // type = float, value = 666.66