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Redução em Grupos<br />
data Pointer to the local values. The data array on<br />
the root task will be overwritten with the result.<br />
count Specifies the number of elements in the data<br />
array. The result will contain count values.<br />
datatype Specifies the type of the data in the data<br />
array. Defined datatypes: <strong>PVM</strong>_BYTE (except for<br />
PvmSum and PvmProduct) <strong>PVM</strong>_SHORT<br />
<strong>PVM</strong>_CPLX <strong>PVM</strong>_FLOAT <strong>PVM</strong>_INT <strong>PVM</strong>_DOUBLE<br />
<strong>PVM</strong>_DCPLX<br />
msgtag Label of the message.<br />
group The name of the group.<br />
root Instance number of a member where the<br />
result appears.<br />
Returned value