2.3.9 VectorNegate
Description
VectorNegate negates (changes the sign of) the values of the elements in the source vector and places them in the destination vector.
Prototype
fractional* VectorNegate (int numElems, fractional* dstV, fractional* srcV1);
Arguments
|
Parameters |
Description |
|---|---|
|
numElems |
Number of elements in the source vectors |
|
dstV |
Pointer to the destination vector |
|
srcV1 |
Pointer to the source vector |
Returns
Pointer to the base address of the destination vector.
Remarks
The negated value of 0x80000000 is set to 0x7FFFFFFF.
This function can be computed in place.
Source File
- vneg_aa.s
Function Profile
|
Device |
Program Words |
Cycles |
|---|---|---|
|
PIC32A |
10 |
32 + (numElems) |
System resource usage
- W0…W3 - used, not restored
- CORCON - saved, used, restored
- REPEAT instruction(s) usage – None