tiny.simd.PhastPlacement

1pub const Placement = struct {2    num_slice_offsets: u32 = 0,3    slice_mask: u32 = 0,45    pub fn init(num_slots: usize, slice_length: usize) PhastError!Placement {6        if (slice_length == 0 or !std.math.isPowerOfTwo(slice_length)) {7            return error.InvalidData;8        }9        if (num_slots < slice_length or num_slots > std.math.maxInt(u32)) {10            return error.CapacityExceeded;11        }12        if (slice_length > std.math.maxInt(u32)) return error.CapacityExceeded;13        const num_slice_offsets = num_slots - slice_length + 1;14        return .{15            .num_slice_offsets = @intCast(num_slice_offsets),16            .slice_mask = @intCast(slice_length - 1),17        };18    }1920    pub fn sliceLength(self: Placement) usize {21        return @as(usize, self.slice_mask) + 1;22    }23};

1pub const PhastPlacement = phast.PhastPlacement;