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(PECL trader >= 0.2.0)
trader_mama — MESA Adaptive Moving Average
$real 
   [,  float $fastLimit 
   [,  float $slowLimit 
  ]] )
real 浮点数数组。
fastLimit Upper limit use in the adaptive algorithm. Valid range from 0.01 to 0.99.
slowLimit Lower limit use in the adaptive algorithm. Valid range from 0.01 to 0.99.
Returns an array with calculated data or false on failure.