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(distof string [mode])


"Convert a string to a real number.


This function converts a string that contains a real number to a real number (distof is short for DIStance TO Floating point). The distof is opposite the rtos function. The optional mode specifies a number format, like the rtos function:

Mode Format
1 Scientific.
2 Decimal.
3 Engineering: feet and decimal inches.
4 Architectural: feet and fractional inches.
5 Fractional.

Examples

Code Returns
(distof "2.3698E001") 23.698
(distof "2'-5.25\"" 3) 29.25

NOTE The backslash denotes that there will be a quote within the string. Once LISP sees the second quote, it knows it's the end of the string.

(atof string)

(atoi string)

LISP Compatibility

Programming Overview of LISP (LISt Processing) Language

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