ScalarGetCountOfValue

Product	Supported/Unsupported
Atlas A3 training products/Atlas A3 inference products	√
Atlas A2 training products/Atlas A2 inference products	√
Atlas 200I/500 A2 inference products	x
Atlas inference product's AI Core	√
Atlas inference product's Vector Core	x
Atlas training products	x

Obtains the number of 0s or 1s in a binary number of the uint64_t type.

template <int countValue> 
__aicore__ inline int64_t ScalarGetCountOfValue(uint64_t valueIn)

**Table 1** Parameters in the template
Parameter	Description
countValue	0 or 1 to be counted. Enter 0 or 1.

**Table 2** Parameters
Parameter	Input/Output	Description
valueIn	Input	A binary number.

Number of 0s or 1s in valueIn.

None

uint64_t valueIn = 0xffff;
// Output (oneCount): 16
int64_t oneCount = AscendC::ScalarGetCountOfValue<1>(valueIn);

Parent topic: Scalar Computation