add VecN format(), shrink()
s-ol
2 years ago
| 24 | 24 | return .{ .values = values }; |
| 25 | 25 | } |
| 26 | 26 | |
| 27 | pub fn format( | |
| 28 | self: Self, | |
| 29 | comptime fmt: []const u8, | |
| 30 | options: std.fmt.FormatOptions, | |
| 31 | writer: anytype, | |
| 32 | ) !void { | |
| 33 | try writer.print("Vec{}[{}", .{N, self.values[0]}); | |
| 34 | comptime var i = 1; | |
| 35 | inline while (i < N) : (i += 1) { | |
| 36 | try writer.print(", {}", .{self.values[i]}); | |
| 37 | } | |
| 38 | try writer.writeAll("]"); | |
| 39 | } | |
| 40 | ||
| 27 | 41 | /// Creates a vector filled with zeroes. |
| 28 | 42 | pub fn zeroes() Self { |
| 29 | 43 | return comptime Self.filled(0); |
| 182 | 196 | |
| 183 | 197 | return Self{ .values = values }; |
| 184 | 198 | } |
| 199 | ||
| 200 | pub fn shrink(self: Self, comptime L: usize) Vector(L) { | |
| 201 | if (L > N) unreachable; | |
| 202 | ||
| 203 | var result: Vector(L) = undefined; | |
| 204 | comptime var i = 0; | |
| 205 | inline while (i < L) : (i += 1) { | |
| 206 | result.values[i] = self.values[i]; | |
| 207 | } | |
| 208 | return result; | |
| 209 | } | |
| 185 | 210 | }; |
| 186 | 211 | } |
| 187 | 212 | |