Limitations with Fixed-Point Support (WSN)

The fixed-point data type has limited support. The Wireless Sensor Network Module accepts a maximum word length of 32 bits for fixed-point data.

Note  Overflow mode is supported, but overflow status is not supported.

Comparison Functions

The following Comparison functions support the fixed-point data type:

• Equal?
• Equal To 0?
• Greater Or Equal?
• Greater Or Equal To 0?
• Greater?
• Greater Than 0?
• Less Or Equal?
• Less Or Equal To 0?
• Less?
• Less Than 0?
• Not Equal?
• Not Equal To 0?

Conversion Functions

The following Conversion functions support the fixed-point data type:

• Boolean Array To Number
• Number To Boolean Array
• To Byte Integer
• To Double Precision Float
• To Extended Precision Float
• To Fixed-Point
• To Long Integer
• To Quad Integer
• To Single Precision Float
• To Unsigned Byte Integer
• To Unsigned Long Integer
• To Unsigned Quad Integer
• To Unsigned Word Integer
• To Word Integer

Data Manipulation Functions

The following Data Manipulation functions support the fixed-point data type:

• Logical Shift
• Rotate Left With Carry
• Rotate Right With Carry

Fixed-Point Functions

The following Fixed-Point functions are supported:

• Fixed-Point to Integer Cast
• Integer to Fixed-Point Cast

Numeric Functions

The following Numeric functions support the fixed-point data type:

• Absolute Value
• Add
• Decrement
• Increment
• Multiply
• Negate
• Round To Nearest
• Round Toward +Infinity
• Round Toward –Infinity
• Scale By Power Of 2 Function
• Sign
• Subtract
• Square

String/Number Conversion Functions

The following String/Number Conversion functions support the fixed-point data type:

• Decimal String To Number
• Fract/Exp String To Number
• Hexadecimal String To Number
• Number To Decimal String
• Number To Engineering String
• Number To Exponential String
• Number To Fractional String
• Number To Hexadecimal String
• Number To Octal String
• Octal String To Number

Structures

The Inline C Node supports the fixed-point data type.