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ArrayFire: dot

Compute the dot product. More...

Compute the dot product.

Scalar dot product between two vectors, also referred to as the inner product.

C Interface to compute the dot product.

Scalar dot product between two vectors, also referred to as the inner product.

array x = randu(100), y = randu(100);

print(dot<float>(x,y));

Parameters

[out] out dot product of lhs and rhs [in] lhs input array on the left-hand side [in] rhs input array on the right-hand side [in] optLhs lhs options, only AF_MAT_NONE and AF_MAT_CONJ are supported [in] optRhs rhs options, only AF_MAT_NONE and AF_MAT_CONJ are supported

Returns

AF_SUCCESS, if function returns successfully, else an af_err code is given

C Interface to compute the dot product, scalar result returned on host.

Scalar dot product between two vectors. Also referred to as the inner product. Returns the result as a host scalar.

Parameters

[out] real real component of the dot product [out] imag imaginary component of the dot product [in] lhs input array on the left-hand side [in] rhs input array on the right-hand side [in] optLhs lhs options, only AF_MAT_NONE and AF_MAT_CONJ are supported [in] optRhs rhs options, only AF_MAT_NONE and AF_MAT_CONJ are supported

Returns

AF_SUCCESS, if function returns successfully, else an af_err code is given

C++ Interface to compute the dot product.

Scalar dot product between two vectors, also referred to as the inner product.

printf("%f\n", dot<float>(x, y));

A multi dimensional data container.

T dot(const array &lhs, const array &rhs, const matProp optLhs=AF_MAT_NONE, const matProp optRhs=AF_MAT_NONE)

C++ Interface to compute the dot product.

AFAPI array randu(const dim4 &dims, const dtype ty, randomEngine &r)

C++ Interface to create an array of random numbers uniformly distributed.

Parameters optLhs and optRhs can only be one of AF_MAT_NONE or AF_MAT_CONJ. The conjugate dot product can be computed by setting optLhs = AF_MAT_CONJ and optRhs = AF_MAT_NONE.

This function is not supported in GFOR.

Template Parameters

Parameters

[in] lhs input array on the left-hand side [in] rhs input array on the right-hand side [in] optLhs lhs options, only AF_MAT_NONE and AF_MAT_CONJ are supported [in] optRhs rhs options, only AF_MAT_NONE and AF_MAT_CONJ are supported

Returns

dot product of lhs and rhs

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