From 380145a986a5ade546b545ff97b9fdca256b2a72 Mon Sep 17 00:00:00 2001
From: Szymon Nowakowski <renati@renati.me>
Date: Tue, 12 May 2026 23:33:33 +0200
Subject: [PATCH] vecmath: Update to zig 0.16.0, harden tests and add test
 build step

---
 packages/vecmath/build.zig                     | 14 +++++++++++++-
 packages/vecmath/build.zig.zon                 |  2 +-
 packages/vecmath/src/colors/Color.zig          |  6 +++++-
 packages/vecmath/src/colors/ColorHdr.zig       |  6 +++++-
 packages/vecmath/src/matrices/Matrix3x2.zig    |  4 ++++
 packages/vecmath/src/matrices/Matrix3x2x8.zig  |  4 ++++
 packages/vecmath/src/matrices/Matrix4x4.zig    |  4 ++++
 packages/vecmath/src/matrices/Matrix4x4x8.zig  |  4 ++++
 packages/vecmath/src/root.zig                  |  2 +-
 packages/vecmath/src/rotors/Complex.zig        |  6 +++++-
 packages/vecmath/src/rotors/Complex_x8.zig     |  4 ++++
 packages/vecmath/src/rotors/Quaternion.zig     |  6 +++++-
 packages/vecmath/src/rotors/Quaternion_x8.zig  |  4 ++++
 packages/vecmath/src/simd.zig                  |  4 ++++
 packages/vecmath/src/trig.zig                  |  4 ++++
 packages/vecmath/src/vectors/Vector2.zig       |  6 +++++-
 packages/vecmath/src/vectors/Vector2Int.zig    |  6 +++++-
 packages/vecmath/src/vectors/Vector2Int_x8.zig |  4 ++++
 packages/vecmath/src/vectors/Vector2x8.zig     |  4 ++++
 packages/vecmath/src/vectors/Vector3.zig       |  6 +++++-
 packages/vecmath/src/vectors/Vector3Int.zig    |  6 +++++-
 packages/vecmath/src/vectors/Vector3Int_x8.zig |  4 ++++
 packages/vecmath/src/vectors/Vector3x8.zig     |  4 ++++
 packages/vecmath/src/vectors/Vector4.zig       |  6 +++++-
 packages/vecmath/src/vectors/Vector4Int.zig    |  6 +++++-
 packages/vecmath/src/vectors/Vector4Int_x8.zig |  4 ++++
 packages/vecmath/src/vectors/Vector4x8.zig     |  4 ++++
 27 files changed, 121 insertions(+), 13 deletions(-)

diff --git a/packages/vecmath/build.zig b/packages/vecmath/build.zig
index a29f40b..760d0ab 100644
--- a/packages/vecmath/build.zig
+++ b/packages/vecmath/build.zig
@@ -1,7 +1,19 @@
 const std = @import("std");
 
 pub fn build(b: *std.Build) void {
-    _ = b.addModule("vecmath", .{
+    const target = b.standardTargetOptions(.{});
+
+    const mod = b.addModule("vecmath", .{
         .root_source_file = b.path("src/root.zig"),
+        .target = target,
     });
+
+    const mod_tests = b.addTest(.{
+        .root_module = mod,
+    });
+
+    const run_mod_tests = b.addRunArtifact(mod_tests);
+
+    const test_step = b.step("test", "Run tests");
+    test_step.dependOn(&run_mod_tests.step);
 }
diff --git a/packages/vecmath/build.zig.zon b/packages/vecmath/build.zig.zon
index 65047e1..ec3a57b 100644
--- a/packages/vecmath/build.zig.zon
+++ b/packages/vecmath/build.zig.zon
@@ -1,7 +1,7 @@
 .{
     .name = .vecmath,
     .version = "0.0.0",
-    .minimum_zig_version = "0.15.2",
+    .minimum_zig_version = "0.16.0",
     .paths = .{
         "src",
         "build.zig",
diff --git a/packages/vecmath/src/colors/Color.zig b/packages/vecmath/src/colors/Color.zig
index 4536aee..6ac2ac9 100644
--- a/packages/vecmath/src/colors/Color.zig
+++ b/packages/vecmath/src/colors/Color.zig
@@ -93,7 +93,11 @@ pub const Color = extern struct {
         return @bitCast(self);
     }
 
-    pub fn format(self: Color, w: *std.io.Writer) !void {
+    pub fn format(self: Color, w: *std.Io.Writer) !void {
         try w.print("#{X:0>2}{X:0>2}{X:0>2}{X:0>2}", .{ self.r, self.g, self.b, self.a });
     }
+
+    test "refAllDecls" {
+        std.testing.refAllDecls(@This());
+    }
 };
diff --git a/packages/vecmath/src/colors/ColorHdr.zig b/packages/vecmath/src/colors/ColorHdr.zig
index 3b47dc9..1eed733 100644
--- a/packages/vecmath/src/colors/ColorHdr.zig
+++ b/packages/vecmath/src/colors/ColorHdr.zig
@@ -24,7 +24,11 @@ pub const ColorHdr = extern struct {
         return @bitCast(self);
     }
 
-    pub fn format(self: ColorHdr, w: *std.io.Writer) !void {
+    pub fn format(self: ColorHdr, w: *std.Io.Writer) !void {
         try w.print("ColorHdr[{d}, {d}, {d}, {d}]", .{ self.r, self.g, self.b, self.a });
     }
+
+    test "refAllDecls" {
+        std.testing.refAllDecls(@This());
+    }
 };
diff --git a/packages/vecmath/src/matrices/Matrix3x2.zig b/packages/vecmath/src/matrices/Matrix3x2.zig
index 1b7fb13..fa46146 100644
--- a/packages/vecmath/src/matrices/Matrix3x2.zig
+++ b/packages/vecmath/src/matrices/Matrix3x2.zig
@@ -252,4 +252,8 @@ pub const Matrix3x2 = extern struct {
             .ty = -inv_det * (self.tx * iy + self.ty * jy),
         };
     }
+
+    test "refAllDecls" {
+        std.testing.refAllDecls(@This());
+    }
 };
diff --git a/packages/vecmath/src/matrices/Matrix3x2x8.zig b/packages/vecmath/src/matrices/Matrix3x2x8.zig
index e20a600..be28bfc 100644
--- a/packages/vecmath/src/matrices/Matrix3x2x8.zig
+++ b/packages/vecmath/src/matrices/Matrix3x2x8.zig
@@ -406,4 +406,8 @@ pub const Matrix3x2x8 = struct {
             .ty = -inv_det * (self.tx * iy + self.ty * jy),
         };
     }
+
+    test "refAllDecls" {
+        std.testing.refAllDecls(@This());
+    }
 };
diff --git a/packages/vecmath/src/matrices/Matrix4x4.zig b/packages/vecmath/src/matrices/Matrix4x4.zig
index 31f8e4d..1447c10 100644
--- a/packages/vecmath/src/matrices/Matrix4x4.zig
+++ b/packages/vecmath/src/matrices/Matrix4x4.zig
@@ -507,4 +507,8 @@ pub const Matrix4x4 = extern struct {
             // zig fmt: on
         };
     }
+
+    test "refAllDecls" {
+        std.testing.refAllDecls(@This());
+    }
 };
diff --git a/packages/vecmath/src/matrices/Matrix4x4x8.zig b/packages/vecmath/src/matrices/Matrix4x4x8.zig
index a43be08..3f37ad7 100644
--- a/packages/vecmath/src/matrices/Matrix4x4x8.zig
+++ b/packages/vecmath/src/matrices/Matrix4x4x8.zig
@@ -763,4 +763,8 @@ pub const Matrix4x4x8 = extern struct {
             // zig fmt: on
         };
     }
+
+    test "refAllDecls" {
+        std.testing.refAllDecls(@This());
+    }
 };
diff --git a/packages/vecmath/src/root.zig b/packages/vecmath/src/root.zig
index 5141115..00fb857 100644
--- a/packages/vecmath/src/root.zig
+++ b/packages/vecmath/src/root.zig
@@ -110,5 +110,5 @@ pub inline fn unlerpInt64(a: i64, b: i64, x: i64) f32 {
 }
 
 test "refAllDecls" {
-    std.testing.refAllDeclsRecursive(@This());
+    std.testing.refAllDecls(@This());
 }
diff --git a/packages/vecmath/src/rotors/Complex.zig b/packages/vecmath/src/rotors/Complex.zig
index 63bf3c6..0b9b1cd 100644
--- a/packages/vecmath/src/rotors/Complex.zig
+++ b/packages/vecmath/src/rotors/Complex.zig
@@ -123,7 +123,11 @@ pub const Complex = extern struct {
         };
     }
 
-    pub fn format(self: Complex, w: *std.io.Writer) !void {
+    pub fn format(self: Complex, w: *std.Io.Writer) !void {
         try w.print("Complex[{d:.3}, {d:.3}]", .{ self.re, self.im });
     }
+
+    test "refAllDecls" {
+        std.testing.refAllDecls(@This());
+    }
 };
diff --git a/packages/vecmath/src/rotors/Complex_x8.zig b/packages/vecmath/src/rotors/Complex_x8.zig
index dfc64b9..7ed39ab 100644
--- a/packages/vecmath/src/rotors/Complex_x8.zig
+++ b/packages/vecmath/src/rotors/Complex_x8.zig
@@ -193,4 +193,8 @@ pub const Complex_x8 = struct {
             .im = @mulAdd(vm.f32x8, vm.ps(t), b.im, @mulAdd(vm.f32x8, -vm.ps(t), a.im, a.im)),
         };
     }
+
+    test "refAllDecls" {
+        std.testing.refAllDecls(@This());
+    }
 };
diff --git a/packages/vecmath/src/rotors/Quaternion.zig b/packages/vecmath/src/rotors/Quaternion.zig
index 42def27..3150aa6 100644
--- a/packages/vecmath/src/rotors/Quaternion.zig
+++ b/packages/vecmath/src/rotors/Quaternion.zig
@@ -179,7 +179,11 @@ pub const Quaternion = extern struct {
         };
     }
 
-    pub fn format(self: Quaternion, w: *std.io.Writer) !void {
+    pub fn format(self: Quaternion, w: *std.Io.Writer) !void {
         try w.print("Quaternion[{d:.3}, {d:.3}, {d:.3}, {d:.3}]", .{ self.x, self.y, self.z, self.w });
     }
+
+    test "refAllDecls" {
+        std.testing.refAllDecls(@This());
+    }
 };
diff --git a/packages/vecmath/src/rotors/Quaternion_x8.zig b/packages/vecmath/src/rotors/Quaternion_x8.zig
index b9d0992..4078063 100644
--- a/packages/vecmath/src/rotors/Quaternion_x8.zig
+++ b/packages/vecmath/src/rotors/Quaternion_x8.zig
@@ -278,4 +278,8 @@ pub const Quaternion_x8 = struct {
             .w = @mulAdd(vm.f32x8, vm.ps(t), b.w, @mulAdd(vm.f32x8, -vm.ps(t), a.w, a.w)),
         };
     }
+
+    test "refAllDecls" {
+        std.testing.refAllDecls(@This());
+    }
 };
diff --git a/packages/vecmath/src/simd.zig b/packages/vecmath/src/simd.zig
index a099199..7281fc3 100644
--- a/packages/vecmath/src/simd.zig
+++ b/packages/vecmath/src/simd.zig
@@ -31,3 +31,7 @@ pub inline fn epi64(value: i64) i64x4 {
 pub inline fn epu64(value: u64) u64x4 {
     return @splat(value);
 }
+
+test "refAllDecls" {
+    std.testing.refAllDecls(@This());
+}
diff --git a/packages/vecmath/src/trig.zig b/packages/vecmath/src/trig.zig
index f24bf5a..66e816f 100644
--- a/packages/vecmath/src/trig.zig
+++ b/packages/vecmath/src/trig.zig
@@ -235,3 +235,7 @@ test cossin_x8 {
         cossin_x8(.{ -1, -0.75, -0.5, -0.25, 0, 0.25, 0.5, 0.75 }),
     );
 }
+
+test "refAllDecls" {
+    std.testing.refAllDecls(@This());
+}
diff --git a/packages/vecmath/src/vectors/Vector2.zig b/packages/vecmath/src/vectors/Vector2.zig
index 2187dcc..20b6c53 100644
--- a/packages/vecmath/src/vectors/Vector2.zig
+++ b/packages/vecmath/src/vectors/Vector2.zig
@@ -167,7 +167,11 @@ pub const Vector2 = extern struct {
         };
     }
 
-    pub fn format(self: Vector2, w: *std.io.Writer) !void {
+    pub fn format(self: Vector2, w: *std.Io.Writer) !void {
         try w.print("[{d}, {d}]", .{ self.x, self.y });
     }
+
+    test "refAllDecls" {
+        std.testing.refAllDecls(@This());
+    }
 };
diff --git a/packages/vecmath/src/vectors/Vector2Int.zig b/packages/vecmath/src/vectors/Vector2Int.zig
index cc7095c..41c6dd5 100644
--- a/packages/vecmath/src/vectors/Vector2Int.zig
+++ b/packages/vecmath/src/vectors/Vector2Int.zig
@@ -110,10 +110,14 @@ pub const Vector2Int = extern struct {
         return self.x * other.y - self.y * other.x;
     }
 
-    pub fn format(self: Vector2Int, w: *std.io.Writer) !void {
+    pub fn format(self: Vector2Int, w: *std.Io.Writer) !void {
         try w.print("[{X:0>8}, {X:0>8}]", .{
             @as(u32, @bitCast(self.x)),
             @as(u32, @bitCast(self.y)),
         });
     }
+
+    test "refAllDecls" {
+        std.testing.refAllDecls(@This());
+    }
 };
diff --git a/packages/vecmath/src/vectors/Vector2Int_x8.zig b/packages/vecmath/src/vectors/Vector2Int_x8.zig
index 2c7f93e..3d88a38 100644
--- a/packages/vecmath/src/vectors/Vector2Int_x8.zig
+++ b/packages/vecmath/src/vectors/Vector2Int_x8.zig
@@ -171,4 +171,8 @@ pub const Vector2Int_x8 = struct {
     pub inline fn cross(self: Vector2Int_x8, other: Vector2Int_x8) vm.i32x8 {
         return self.x * other.y - self.y * other.x;
     }
+
+    test "refAllDecls" {
+        std.testing.refAllDecls(@This());
+    }
 };
diff --git a/packages/vecmath/src/vectors/Vector2x8.zig b/packages/vecmath/src/vectors/Vector2x8.zig
index ac9c4fb..c63e221 100644
--- a/packages/vecmath/src/vectors/Vector2x8.zig
+++ b/packages/vecmath/src/vectors/Vector2x8.zig
@@ -231,4 +231,8 @@ pub const Vector2x8 = struct {
             .y = self.x * vm.ps(m.iy) + self.y * vm.ps(m.jy),
         };
     }
+
+    test "refAllDecls" {
+        std.testing.refAllDecls(@This());
+    }
 };
diff --git a/packages/vecmath/src/vectors/Vector3.zig b/packages/vecmath/src/vectors/Vector3.zig
index 43746cd..f01cced 100644
--- a/packages/vecmath/src/vectors/Vector3.zig
+++ b/packages/vecmath/src/vectors/Vector3.zig
@@ -192,7 +192,11 @@ pub const Vector3 = extern struct {
         };
     }
 
-    pub fn format(self: Vector3, w: *std.io.Writer) !void {
+    pub fn format(self: Vector3, w: *std.Io.Writer) !void {
         try w.print("[{d}, {d}, {d}]", .{ self.x, self.y, self.z });
     }
+
+    test "refAllDecls" {
+        std.testing.refAllDecls(@This());
+    }
 };
diff --git a/packages/vecmath/src/vectors/Vector3Int.zig b/packages/vecmath/src/vectors/Vector3Int.zig
index 110a953..80aec0f 100644
--- a/packages/vecmath/src/vectors/Vector3Int.zig
+++ b/packages/vecmath/src/vectors/Vector3Int.zig
@@ -117,11 +117,15 @@ pub const Vector3Int = extern struct {
         };
     }
 
-    pub fn format(self: Vector3Int, w: *std.io.Writer) !void {
+    pub fn format(self: Vector3Int, w: *std.Io.Writer) !void {
         try w.print("[{X:0>8}, {X:0>8}, {X:0>8}]", .{
             @as(u32, @bitCast(self.x)),
             @as(u32, @bitCast(self.y)),
             @as(u32, @bitCast(self.z)),
         });
     }
+
+    test "refAllDecls" {
+        std.testing.refAllDecls(@This());
+    }
 };
diff --git a/packages/vecmath/src/vectors/Vector3Int_x8.zig b/packages/vecmath/src/vectors/Vector3Int_x8.zig
index e44f737..b33b6b4 100644
--- a/packages/vecmath/src/vectors/Vector3Int_x8.zig
+++ b/packages/vecmath/src/vectors/Vector3Int_x8.zig
@@ -180,4 +180,8 @@ pub const Vector3Int_x8 = struct {
             .z = self.x * other.y - self.y * other.x,
         };
     }
+
+    test "refAllDecls" {
+        std.testing.refAllDecls(@This());
+    }
 };
diff --git a/packages/vecmath/src/vectors/Vector3x8.zig b/packages/vecmath/src/vectors/Vector3x8.zig
index 3949015..6e2b1e9 100644
--- a/packages/vecmath/src/vectors/Vector3x8.zig
+++ b/packages/vecmath/src/vectors/Vector3x8.zig
@@ -258,4 +258,8 @@ pub const Vector3x8 = struct {
             .z = v.x * vm.ps(self.iz) + v.y * vm.ps(self.jz) + v.z * vm.ps(self.kz),
         };
     }
+
+    test "refAllDecls" {
+        std.testing.refAllDecls(@This());
+    }
 };
diff --git a/packages/vecmath/src/vectors/Vector4.zig b/packages/vecmath/src/vectors/Vector4.zig
index 40ebecf..5ec8ede 100644
--- a/packages/vecmath/src/vectors/Vector4.zig
+++ b/packages/vecmath/src/vectors/Vector4.zig
@@ -147,7 +147,11 @@ pub const Vector4 = extern struct {
         };
     }
 
-    pub fn format(self: Vector4, w: *std.io.Writer) !void {
+    pub fn format(self: Vector4, w: *std.Io.Writer) !void {
         try w.print("[{d}, {d}, {d}, {d}]", .{ self.x, self.y, self.z, self.w });
     }
+
+    test "refAllDecls" {
+        std.testing.refAllDecls(@This());
+    }
 };
diff --git a/packages/vecmath/src/vectors/Vector4Int.zig b/packages/vecmath/src/vectors/Vector4Int.zig
index 39e39b1..9212704 100644
--- a/packages/vecmath/src/vectors/Vector4Int.zig
+++ b/packages/vecmath/src/vectors/Vector4Int.zig
@@ -112,7 +112,7 @@ pub const Vector4Int = extern struct {
         return self.x * other.x + self.y * other.y + self.z * other.z + self.w * other.w;
     }
 
-    pub fn format(self: Vector4Int, w: *std.io.Writer) !void {
+    pub fn format(self: Vector4Int, w: *std.Io.Writer) !void {
         try w.print("[{X:0>8}, {X:0>8}, {X:0>8}, {X:0>8}]", .{
             @as(u32, @bitCast(self.x)),
             @as(u32, @bitCast(self.y)),
@@ -120,4 +120,8 @@ pub const Vector4Int = extern struct {
             @as(u32, @bitCast(self.w)),
         });
     }
+
+    test "refAllDecls" {
+        std.testing.refAllDecls(@This());
+    }
 };
diff --git a/packages/vecmath/src/vectors/Vector4Int_x8.zig b/packages/vecmath/src/vectors/Vector4Int_x8.zig
index 092d97d..ac3e5de 100644
--- a/packages/vecmath/src/vectors/Vector4Int_x8.zig
+++ b/packages/vecmath/src/vectors/Vector4Int_x8.zig
@@ -177,4 +177,8 @@ pub const Vector4Int_x8 = struct {
     pub inline fn dot(self: Vector4Int_x8, other: Vector4Int_x8) vm.i32x8 {
         return self.x * other.x + self.y * other.y + self.z * other.z + self.w * other.w;
     }
+
+    test "refAllDecls" {
+        std.testing.refAllDecls(@This());
+    }
 };
diff --git a/packages/vecmath/src/vectors/Vector4x8.zig b/packages/vecmath/src/vectors/Vector4x8.zig
index c50a5f3..de078e0 100644
--- a/packages/vecmath/src/vectors/Vector4x8.zig
+++ b/packages/vecmath/src/vectors/Vector4x8.zig
@@ -217,4 +217,8 @@ pub const Vector4x8 = struct {
             .w = self.x * vm.ps(m.iw) + self.y * vm.ps(m.jw) + self.z * vm.ps(m.kw) + self.w * vm.ps(m.tw),
         };
     }
+
+    test "refAllDecls" {
+        std.testing.refAllDecls(@This());
+    }
 };