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Embedded Software and Motor Control Libraries for PXR40xx

Embedded Software and Motor Control Libraries for PXR40xx

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Function MLIB_NegSat_F16<br />

4.160.2 Arguments<br />

Table 4-197. MLIB_NegSat_F16 arguments<br />

Type Name Direction Description<br />

register tFrac16 f16In input Input value which negative value should be returned.<br />

4.160.3 Return<br />

Negative value of input parameter.<br />

4.160.4 Description<br />

This inline function returns the negative value of input parameter. The input values as<br />

well as output value is considered as 16-bit fractional data type. The output saturation is<br />

implemented in this function, thus in case the negation of input values is outside the (-1,<br />

1) interval, the output value is limited to the boundary value.<br />

The output of the function is defined by the following simple equation:<br />

Equation MLIB_NegSat_Eq1<br />

Note<br />

Due to effectivity reason this function is implemented as inline<br />

<strong>and</strong> thus is not ANSI-C compliant.<br />

4.160.5 Re-entrancy<br />

The function is re-entrant.<br />

<strong>Embedded</strong> <strong>Software</strong> <strong>and</strong> <strong>Motor</strong> <strong>Control</strong> <strong>Libraries</strong> <strong>for</strong> <strong>PXR40xx</strong>, Rev. 1.0<br />

638 Freescale Semiconductor, Inc.

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