VectorSubtract   1106 coders/dds.c             VectorSubtract(xSumwSum,part2,&part3);
VectorSubtract   1107 coders/dds.c             VectorSubtract(part3,part1,&part3);
VectorSubtract   1108 coders/dds.c             VectorSubtract(part3,part0,&part3);