Add guard for INFINITY numeric limit macro used by cuda backend

src/pystencils/backend/platforms/cuda.py

@@ -90,8 +90,7 @@ class CudaPlatform(GenericGpu):
             assert isinstance(dtype, PsIeeeFloatType)
             defines = { NumericLimitsFunctions.Min: "NEG_INFINITY", NumericLimitsFunctions.Max: "POS_INFINITY" }
 
-            return PsLiteralExpr(
-                PsLiteral(defines[func.function_name], dtype))
+            return PsLiteralExpr(PsLiteral(defines[func], dtype))
 
         if isinstance(dtype, PsIeeeFloatType):
             match func:

src/pystencils/include/gpu_defines.h

 #pragma once
 
 #define POS_INFINITY __int_as_float(0x7f800000)
-#define INFINITY POS_INFINITY
 #define NEG_INFINITY __int_as_float(0xff800000)
+#ifndef INFINITY
+#define INFINITY POS_INFINITY
+#endif
 
 #ifdef __HIPCC_RTC__
 typedef __hip_uint8_t uint8_t;