Arguments

vec  a 2d or 3d vector list

Return

(vecX vecY vecZ)  always a 3d vector list

Example

(setq vec '(1 1 3))
(vle-vector-negate vec)
(-1.0 -1.0 -3.0)

Remarks

vle-vector-negate is identical to (but faster as) (vle-vector-scale vec -1.0)