ref: 168a16b70a928ed64061bdac7fc9d52235c3f9fc
dir: /fns.h/
void addm(Matrix, Matrix); void subm(Matrix, Matrix); void mulm(Matrix, Matrix); void transm(Matrix); double detm(Matrix); Vector mulvecm(Vector, Matrix); Vector Vec(double, double, double); Vector addvec(Vector, Vector); Vector subvec(Vector, Vector); Vector mulvec(Vector, double); double dotvec(Vector, Vector); Vector normvec(Vector); double round(double); double hypot3(double, double, double); void *emalloc(ulong);