Android API Guides---RenderScript Numerical Types
RenderScriptNumericalTypes概观标量:RenderScript支持以下标量数值类型:8bits16bits32bits64bitsInteger:char, int8_tshort, int16_tint32_tlong,longlong, int64_tUnsignedinteger:uchar, uint8_tushort, uint16_tuint, uint32_t