NAME
    digits - return number of digits in an integer or integer part

SYNOPSIS
    digits(x)

TYPES
    x		real

    return	integer

DESCRIPTION
    For real x, digits(x) returns the number of digits in the decimal
    representation of int(abs(x)).  If x >= 1, digits(x) = 1 + ilog10(x).

EXAMPLE
    > print digits(0), digits(0.0123), digits(3.7), digits(-27), digits(-99.7)
    1 1 1 2 2

LIMITS
    none

LIBRARY
    long qdigits(NUMBER *x)

SEE ALSO
    places