DRC: math: swapout the exponential function and fixing compilation er… #350

Job	Run time
LP64-WIP	2m 55s
build-windows (imx8 imx8x imx8m)	4m 30s
build-linux (mnfst, imx8 imx8x imx8m)	2m 59s
manifest-check	1m 14s
build-windows (mtl)	5m 40s
build-linux (mnfst, mtl)	3m 7s
build-linux (mnfst, lnl)	3m 13s
build-windows (tgl tgl-h)	4m 49s
build-linux (mnfst, tgl tgl-h)	3m 16s
build-windows (-d, mtl)	4m 38s
build-linux (zmain, imx8 imx8x imx8m)	3m 3s
build-linux (zmain, mtl)	3m 19s
build-linux (zmain, lnl)	3m 33s
build-linux (zmain, tgl tgl-h)	3m 3s
build-linux (-d, mnfst, mtl)	3m 13s
compare-linux-win	13s
	52m 45s

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