cum-max ( seq -- seq' )
Statistics ยป Computing cumulative sequences
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Vocabulary
math.statistics

Inputs
seqa sequence


Outputs
seq'a sequence


Word description
Returns the cumulative max of seq.

Examples
USING: math.statistics prettyprint ; { 1 -1 3 5 } cum-max .
{ 1 1 3 5 }


Definition
USING: kernel math.order sequences ;

IN: math.statistics

: cum-max ( seq -- seq' ) dup ?first [ max ] accumulate* ;