(PECL trader >= 0.2.0) Thrusting Pattern array

(PHP 4 >= 4.0.4, PHP 5, PHP 7) Perfect square check

(PECL trader >= 0.2.0) Hilbert Transform - Dominant Cycle Phase

(PHP 5, PHP 7 >= 5.6.3) Random number GMP

(PHP 4 >= 4.1.0, PHP 5, PHP 7) Hyperbolic sine