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SetFilterFloatRange
Prototype: function SetFilterFloatRange ( $attribute, $min, $max, $exclude=false )
Adds new float range filter.
On this call, additional new filter is added to the existing
list of filters. $attribute must be a string with
attribute name. $min and $max must be
floats that define the acceptable attribute values range
(including the boundaries). $exclude must be a boolean
value; it controls whether to accept the matching documents
(default mode, when $exclude is false) or reject them.
Only those documents where $attribute column value
stored in the index is between $min and $max
(including values that are exactly equal to $min or $max)
will be matched (or rejected, if $exclude is true).
