Function toBytes [src]
Pack a field element
Prototype
pub fn toBytes(fe: Fe) [32]u8 Parameters
fe: Fe Source
pub fn toBytes(fe: Fe) [32]u8 {
var reduced = fe;
reduced.reduce();
var s: [32]u8 = undefined;
std.mem.writeInt(u64, s[0..8], reduced.limbs[0] | (reduced.limbs[1] << 51), .little);
std.mem.writeInt(u64, s[8..16], (reduced.limbs[1] >> 13) | (reduced.limbs[2] << 38), .little);
std.mem.writeInt(u64, s[16..24], (reduced.limbs[2] >> 26) | (reduced.limbs[3] << 25), .little);
std.mem.writeInt(u64, s[24..32], (reduced.limbs[3] >> 39) | (reduced.limbs[4] << 12), .little);
return s;
}