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  ____       ___     __   __   _    _     _  __  
 |  _ \\    / _ \\   \ \\/ // | || | ||  | |/ // 
 | |_| ||  / //\ \\   \   //  | || | ||  | ' //  
 | .  //  |  ___  ||  / . \\  | \\_/ ||  | . \\  
 |_|\_\\  |_||  |_|| /_//\_\\  \____//   |_|\_\\ 
 `-` --`  `-`   `-`  `-`  --`   `---`    `-` --`

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Text this: Compact structure-preserving algorithm with high accuracy extended to the improved Boussinesq equation