Added the following functions to taInvoke.cpp with associated paths to source files in mexOpts.txt: CORREL,COS,COSH,DEMA,DIV,DX,EMA,EXP,FLOOR,HT_DCPERIOD,HT_DCPHASE,HT_PHASOR,HT_SINE,HT_TRENDLINE,HT_TRENDMODE

Signed-off-by: Mark Tompkins <mtompkins@openAlgo.org>