Zig utility library
Add integer/float check for matrices and vectors
+13
-27
+2
-9
src/SparseSet.zig
+2
-9
src/SparseSet.zig
···
123
123
_ = try list.insert(9);
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124
try std.testing.expectEqual(2, v);
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125
try std.testing.expectEqual(3, list.get(g).?.*);
126
-
127
-
std.debug.print("{any}, {any}\n", .{
128
-
list.sparse.items,
129
-
list.dense.items,
130
-
});
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126
}
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127
133
128
test "iter" {
···
143
138
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var iter = SliceIterator([]const u8).init(list.asSlice());
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140
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-
while (iter.next()) |item| {
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-
std.debug.print("{s} ", .{item});
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-
}
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-
std.debug.print("\n", .{});
141
+
try std.testing.expectEqual("hello world", iter.next().?);
142
+
try std.testing.expectEqual("it's a beautiful day", iter.next().?);
150
143
}
+11
-18
src/la.zig
+11
-18
src/la.zig
···
6
6
std.debug.assert(rows > 0);
7
7
std.debug.assert(columns > 0);
8
8
9
-
// TODO: assert `T` is a number
10
-
// const scalar_type_info = @typeInfo(T);
9
+
{
10
+
const t = @typeInfo(T);
11
+
12
+
switch (t) {
13
+
.int, .float => {},
14
+
else => @compileError("`T` should be float or int"),
15
+
}
16
+
}
11
17
12
18
return struct {
13
19
const Self = @This();
···
295
301
/// 4x4 matrix of `f64`
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pub const Mat4D = Matrix(f64, 4, 4);
297
303
298
-
// idk how the fuck i will, but add quaternions eventually.
304
+
// TODO: idk how the fuck i will, but add quaternions eventually.
299
305
300
306
test "mul" {
301
307
const x = Matrix(f32, 3, 5).init(.{
···
347
353
}
348
354
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355
test "large" {
350
-
var timer = try std.time.Timer.start();
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356
const m = Matrix(f32, 10, 5).init(.{
352
357
.{ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 },
353
358
.{ 14, 13, 43, 5, 6, 8, 1, 9, 3, 4 },
···
359
364
for (0..1000000) |_| {
360
365
_ = m.mul(5);
361
366
}
362
-
363
-
std.debug.print("{d}ms\n", .{timer.lap() / std.time.ns_per_ms});
364
-
}
365
-
366
-
test "3x3" {
367
-
const m = Matrix(f32, 3, 3).init(.{
368
-
.{ 1, 4, 7 },
369
-
.{ 2, 5, 8 },
370
-
.{ 3, 6, 9 },
371
-
});
372
-
373
-
std.debug.print("{any}\n", .{m.flatten()});
374
-
std.debug.print("{any}\n", .{m.mul(5.0).inner});
375
367
}
376
368
377
369
test "unit" {
···
417
409
418
410
const rm = m1.mul2(&m2);
419
411
420
-
std.debug.print("{any}\n", .{rm.inner});
412
+
try std.testing.expectEqual(rm.inner[0], .{ 27, 30 });
413
+
try std.testing.expectEqual(rm.inner[1], .{ -35, 36 });
421
414
}