RPN.2.f+3
\V1.0 - nuff said
\V1.1 - test for 0 length in unit vec
\V1.2 - fix cross product
\Get & put A & B vectors
[a]xaxbxc;
[b]xdxexf;
[x]XcXbXa;
[y]XfXeXd;
\Duplicate a vector
[d]g3g3g3;
\Vector functions
[l]r32Pr32Pr32P++s; \length
[s]g1r5*r2g1r5*r2r4*; \scale
[t]r6r4+r5r4+r4r4+; \sum
[u]r6r4-r5r4-r4r4-; \difference
[v]r6r4*r5r4*r4r4*++; \dot product
"3D Vector"
"A+B: vector sum" CaCbCt;
"A-B: vector difference" CaCbCu;
"A.B: vector dot product" CaCbCv;
"AxB: vector product" xbxf*xexc*-xcxd*xaxf*-xaxe*xbxd*-;
~
"|A|: vector length" CaCl;
"â: unit vector" CaClg10=0(d1D'Zero length vector!|OK|'d1:Car4tCs);
"s.A: scale vector" ?1Car4Cs;
"A<>B: swap vectors" CaCbCxCy;
~
">A: get A from stack" ?3Cx;
">B: get B from stack" ?3Cy;
"A>: put A on stack" Ca;
"B>: put B on stack" Cb;
~
"Clear: pop vector values" ?3d1d1d1;