[libre-riscv-dev] [Bug 142] Vector Ops needed (DOT, Cross, Dist, normalise, CORDIC, S/LERP etc)

[bugzilla-daemon at libre-riscv.org]

http://bugs.libre-riscv.org/show_bug.cgi?id=142

--- Comment #2 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
Wondering how (whether) to add vec2 cross product and if vec4 cross product
exists.

Found this:

vec2D a, b;
...
double z = a.x * b.y - b.x * a.y;
return z;

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