absolute value accumulation scaling recommendations using slope/bias encoding accumulator data type and feedback controller demo addition blockset rules scaling recommendations using slope/bias encoding ALU's arithmetic shift autofixexp automatic scaling and feedback controller demo and FixPt Look-Up Table (2D) block and percent safety margin and percent safety margin interface script back propagation FixPt Data Type Propagation block FixPt Gateway Out block FixPt Tapped Delay block backward integrator realization base data type and feedback controller demo binary point bit clear hidden mask multipliers set shifts bits bitwise operation block configuration selecting a data type selecting a scaling block icon labels block parameters blocks FixPt Absolute Value FixPt Bitwise Operator FixPt Constant FixPt Conversion FixPt Conversion FixPt Conversion Inherited FixPt Data Type Propagation FixPt Dead Zone FixPt Dot Product FixPt Dynamic Look-Up Table FixPt FIR FixPt FIR FixPt Gain FixPt Gain FixPt Gateway In FixPt Gateway In FixPt Gateway In Inherited FixPt Gateway Out FixPt Integer Delay FixPt Logical Operator FixPt Look-Up Table FixPt Look-Up Table (2-D) FixPt Matrix Gain FixPt Matrix Gain FixPt MinMax FixPt Multiport Switch FixPt Product FixPt Product FixPt Product FixPt Relational Operator FixPt Relay FixPt Saturation FixPt Sign FixPt Sum FixPt Sum FixPt Switch FixPt Tapped Delay FixPt Unary Minus FixPt Unit Delay FixPt Zero-Order Hold blockset library Bode plot boolean operation bitwise logical broken links built-in data types ceil chopping clearing bits code generation code generation and multiplication and scaling and signal conversions and stored integer output and summation computational noise and rounding computational units constant scaling for best precision limitations for code generation constant value contiguous bits conversions fixed-point to fixed-point fixed-point to fixed-point, inherited parameter signal See also online conversion, offline conversion converting old models data types data types built-in display fractional numbers generalized fixed-point numbers IEEE numbers inherited integers overriding with doubles propagation selecting dead zone demos denormalized numbers derivative realization filtered development cycle dialog box parameters data type lock output scaling logging min/max data overflow handling overriding with doubles rounding scaling digital controller digital filter direct form realization and feedback controller demo division blockset rules scaling recommendations scaling recommendations using slope/bias encoding dot product double bits double bits double-precision format doubles override Embedded-C Real-Time Target encapsulation encoding scheme eps examples constant scaling for best precision conversions and arithmetic operations converting a built-in model to fixed-point converting from doubles to fixed-point division process fixed-point format fixed-point scaling FixPt Bitwise Operator FixPt FIR FixPt Gateway In FixPt Look-Up Table FixPt Look-Up Table (2D) generating pure integer code limitations on precision and errors limitations on range maximizing precision multiplication process saturation and wrapping selecting a measurement scale shifting bits and the radix point shifting bits but not the radix point summation process exceptional arithmetic exponent for IEEE numbers external mode feedback design filter digital lead-lag filtered derivative realization filters and systems FIR fix fixed-point interface tool and feedback controller demo fixed-point numbers general format scaling fixpt fixpt_convert fixpt_convert_prep fixptbestexp fixptbestprec FixPtSimRanges float float floating-point numbers floor forward integrator realization fpupdate fraction for IEEE numbers fractional numbers and guard bits fractional slope fxptdlg gain matrix gain scaling recommendations scaling recommendations using slope/bias encoding gateway fixed-point to Simulink Simulink to fixed-point Simulink to fixed-point, inherited generalized fixed-point numbers Generic Real-Time Target global override with doubles guard bits guard bits guard bits GUI block See also fixed-point interface tool help hidden bit icon labels IEEE floating-point numbers format double precision exponent fraction nonstandard sign bit single precision precision range infinity infinity inherited data types by back-propagation fixed-point to fixed-point conversion scaling by back-propagation Simulink to fixed-point conversion installation integer delay integers and code generation outputting large values integrator realization backward forward trapezoidal interface least significant bit library library limit cycles and feedback controller demo lock output scaling and feedback controller demo logging large integer values overflows simulation results simulation results logical operation logical shift look-up table 1-D 2-D dynamic LSB. See least significant bit MAC's propagating data type information for masking bits matrix gain maximum value logging measurement scales mex xiii minimum value logging modeling the system most significant bit MSB multiplication blockset rules scaling recommendations scaling recommendations using slope/bias encoding multiport switch NaNs NaNs nonstandard IEEE format offline conversion for addition and subtraction for multiplication for signals online conversion for addition and subtraction for multiplication for signals online help overflow overflow overflow and code generation handling by fixed-point blocks logging logging overriding with doubles overriding with doubles global override individual override padding with trailing zeros and feedback controller demo parallel form realization parameter conversion See also conversions percent safety margin plot system interface port data type display precision best maximum of fixed-point numbers of IEEE floating-point numbers prerequisites propagation of data types quantization and feedback controller demo and rounding of a real-world value of a real-world value radix point radix point-only scaling range of fixed-point numbers of IEEE floating-point numbers RangeFactor rapid simulation target realizations and data types and scaling derivative design constraints direct form integrator lead-lag filter parallel form series cascade form state-space Real-Time Workshop ERT external mode GRT Production Coder rapid simulation target Target Language Compiler real-world value as block input relational operation relay release information restoring broken links round rounding modes rounding modes and code generation toward ceiling toward floor toward nearest toward zero rsim RTW Production Coder saturation saturation and feedback controller demo scaling scaling and accumulation and addition and code generation and division and gain and multiplication constant scaling for best precision inherited locking radix point-only radix point-only slope/bias slope/bias scientific notation series cascade form realization setting bits sfix sfrac shifts using the FixPt Conversion block using the FixPt Gain block showfixptsimranges showfixptsimranges sign extension of input signal sign bit for IEEE numbers signal conversions Simulink built-in data types converting built-in data types to fixed-point converting built-in models to fixed-point converting fixed-point data types to built-in Simulink Accelerator single-precision format sint slope/bias scaling state-space realization stored integer as block input as block output subtraction See also addition switch multiport tapped delay Target Language Compiler targeting an embedded processor design rules operation assumptions size assumptions TLC file trapezoidal integrator realization truncation two's complement typographical conventions ufix ufrac uint unary minus underflow unit delay updating old models wrapping zero order hold