From f3f6ac21fb95bf57621cb9ea8764dfd2c608036f Mon Sep 17 00:00:00 2001
From: Omar Sobh <osobh@redclaw.dev>
Date: Wed, 16 Sep 2026 07:24:54 -0500
Subject: [PATCH] rtx-cfd CUDA kernels: no host includes at all in the NVRTC
 sources; the float limits defined inline

---
 crates/specialized/rtx-cfd/src/kernels/cuda/reduction.cu | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/crates/specialized/rtx-cfd/src/kernels/cuda/reduction.cu b/crates/specialized/rtx-cfd/src/kernels/cuda/reduction.cu
index a3c20cf..fbd151a 100644
--- a/crates/specialized/rtx-cfd/src/kernels/cuda/reduction.cu
+++ b/crates/specialized/rtx-cfd/src/kernels/cuda/reduction.cu
@@ -1,3 +1,6 @@
+#ifndef FLT_MAX
+#define FLT_MAX 3.402823466e+38f
+#endif
 /**
  * CUDA kernels for reduction operations
  *
@@ -10,7 +13,6 @@
  */
 
 // (no host headers: NVRTC compiles these as device code with the built-ins only)
-#include <float.h>
 
 // Warp size constant
 #define WARP_SIZE 32