Fix wrong type for ctanh
Fix wrong type for ctanh

thrust/thrust,xiongzhanblake/thrust,mohamed-ali/thrust,jaredhoberock/thrust,zeryx/thrust,thrust/thrust,sdalton1/thrust,arnabgho/thrust,jaredhoberock/thrust,sarvex/thrust,dachziegel/thrust,mohamed-ali/thrust,zeryx/thrust,dachziegel/thrust,Ricardo666666/thrust,thvasilo/thrust,marksantos/thrust,zhenglaizhang/thrust,raygit/thrust,jaredhoberock/thrust,sdalton1/thrust,thvasilo/thrust,andrewcorrigan/thrust-multi-permutation-iterator,mohamed-ali/thrust,egaburov/thrust,thrust/thrust,sarvex/thrust,xiongzhanblake/thrust_src,GrimDerp/thrust,xiongzhanblake/thrust_src,zeryx/thrust,marksantos/thrust,thrust/thrust,andrewcorrigan/thrust-multi-permutation-iterator,raygit/thrust,jaredhoberock/thrust,Ricardo666666/thrust,arnabgho/thrust,zhenglaizhang/thrust,andrewcorrigan/thrust-multi-permutation-iterator,jaredhoberock/thrust,sarvex/thrust,xiongzhanblake/thrust,GrimDerp/thrust,thrust/thrust,arnabgho/thrust,xiongzhanblake/thrust_src,GrimDerp/thrust,sdalton1/thrust,dachziegel/thrust,egaburov/thrust,raygit/thrust,thvasilo/thrust,egaburov/thrust,Ricardo666666/thrust,marksantos/thrust,xiongzhanblake/thrust,zhenglaizhang/thrust