--- src/github.com/mumax/3/cuda/curand/generator.go.orig	2020-02-17 08:51:14.588086649 +0100
+++ src/github.com/mumax/3/cuda/curand/generator.go	2020-02-17 08:51:34.021103553 +0100
@@ -43,7 +43,7 @@
 }
 
 func (g Generator) SetSeed(seed int64) {
-	err := Status(C.curandSetPseudoRandomGeneratorSeed(C.curandGenerator_t(unsafe.Pointer(uintptr(g))), _Ctype_ulonglong(seed)))
+	err := Status(C.curandSetPseudoRandomGeneratorSeed(C.curandGenerator_t(unsafe.Pointer(uintptr(g))), C.ulonglong(seed)))
 	if err != SUCCESS {
 		panic(err)
 	}