From 0d8184910c784c655e47866487bcd44b1f601746 Mon Sep 17 00:00:00 2001
From: Aleksander Katan <aleksander.katan@swmansion.com>
Date: Mon, 29 Sep 2025 12:14:18 +0200
Subject: [PATCH 1/3] Fix big int handling

---
 packages/typegpu-color/src/oklab.ts            | 2 +-
 packages/typegpu/src/tgsl/generationHelpers.ts | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/packages/typegpu-color/src/oklab.ts b/packages/typegpu-color/src/oklab.ts
index c85c7453c..56f37235f 100644
--- a/packages/typegpu-color/src/oklab.ts
+++ b/packages/typegpu-color/src/oklab.ts
@@ -170,7 +170,7 @@ const findGamutIntersection = tgpu.fn(
   [f32, f32, f32, f32, f32, LC],
   f32,
 )((a, b, L1, C1, L0, cusp) => {
-  const FLT_MAX = f32(3.40282346e38);
+  const FLT_MAX = 3.40282346e38;
 
   // Find the intersection for upper and lower half separately
   let t = f32(0);
diff --git a/packages/typegpu/src/tgsl/generationHelpers.ts b/packages/typegpu/src/tgsl/generationHelpers.ts
index 6022c4525..d8aabfa25 100644
--- a/packages/typegpu/src/tgsl/generationHelpers.ts
+++ b/packages/typegpu/src/tgsl/generationHelpers.ts
@@ -168,6 +168,9 @@ export function getTypeForIndexAccess(
 }
 
 export function numericLiteralToSnippet(value: number): Snippet {
+  if (Math.abs(value) >= 2 ** 63) {
+    return snip(value, abstractFloat);
+  }
   // WGSL AbstractInt uses 64-bit precision, but JS numbers are only safe up to 2^53 - 1.
   // Warn when values exceed this range to prevent precision loss.
   if (Number.isInteger(value)) {

From 0ff84bb912201620dfd5374831c5d5213e1c7a41 Mon Sep 17 00:00:00 2001
From: Aleksander Katan <aleksander.katan@swmansion.com>
Date: Mon, 29 Sep 2025 12:16:16 +0200
Subject: [PATCH 2/3] Update test

---
 packages/typegpu/tests/examples/individual/oklab.test.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/typegpu/tests/examples/individual/oklab.test.ts b/packages/typegpu/tests/examples/individual/oklab.test.ts
index dcb3b2f5d..2966c9a85 100644
--- a/packages/typegpu/tests/examples/individual/oklab.test.ts
+++ b/packages/typegpu/tests/examples/individual/oklab.test.ts
@@ -136,7 +136,7 @@ describe('oklab example', () => {
       }
 
       fn findGamutIntersection_13(a: f32, b: f32, L1: f32, C1: f32, L0: f32, cusp: LC_12) -> f32 {
-        var FLT_MAX = 3.4028234663852886e+38f;
+        var FLT_MAX = 3.40282346e+38;
         var t = 0f;
         if (((((L1 - L0) * cusp.C) - ((cusp.L - L0) * C1)) <= 0)) {
           t = ((cusp.C * L0) / ((C1 * cusp.L) + (cusp.C * (L0 - L1))));

From a3e9c1c01c919a9c5eeb786bb55a92f2200ff1f6 Mon Sep 17 00:00:00 2001
From: Aleksander Katan <aleksander.katan@swmansion.com>
Date: Tue, 30 Sep 2025 10:42:08 +0200
Subject: [PATCH 3/3] > instead of >=

---
 packages/typegpu/src/tgsl/generationHelpers.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/typegpu/src/tgsl/generationHelpers.ts b/packages/typegpu/src/tgsl/generationHelpers.ts
index d8aabfa25..08cb5d1a3 100644
--- a/packages/typegpu/src/tgsl/generationHelpers.ts
+++ b/packages/typegpu/src/tgsl/generationHelpers.ts
@@ -168,7 +168,7 @@ export function getTypeForIndexAccess(
 }
 
 export function numericLiteralToSnippet(value: number): Snippet {
-  if (Math.abs(value) >= 2 ** 63) {
+  if (Math.abs(value) > 2 ** 63) {
     return snip(value, abstractFloat);
   }
   // WGSL AbstractInt uses 64-bit precision, but JS numbers are only safe up to 2^53 - 1.