Showing content from http://www.arrayfire.org/docs/group__reduce__func__sum.htm below:
ArrayFire: sum
Sum array elements over a given dimension. More...
AFAPI array sum (const array &in, const int dim=-1) C++ Interface to sum array elements over a given dimension. More...
AFAPI array sum (const array &in, const int dim, const double nanval) C++ Interface to sum array elements over a given dimension, replacing any NaNs with a specified value. More...
template<typename T > T sum (const array &in) C++ Interface to sum array elements over all dimensions. More...
template<typename T > T sum (const array &in, double nanval) C++ Interface to sum array elements over all dimensions, replacing any NaNs with a specified value. More...
AFAPI af_err af_sum (af_array *out, const af_array in, const int dim) C Interface to sum array elements over a given dimension. More...
AFAPI af_err af_sum_all_array (af_array *out, const af_array in) C Interface to sum array elements over all dimensions. More...
AFAPI af_err af_sum_nan (af_array *out, const af_array in, const int dim, const double nanval) C Interface to sum array elements over a given dimension, replacing any NaNs with a specified value. More...
AFAPI af_err af_sum_nan_all_array (af_array *out, const af_array in, const double nanval) C Interface to sum array elements over all dimensions, replacing any NaNs with a specified value. More...
AFAPI af_err af_sum_all (double *real, double *imag, const af_array in) C Interface to sum array elements over all dimensions. More...
AFAPI af_err af_sum_nan_all (double *real, double *imag, const af_array in, const double nanval) C Interface to sum array elements over all dimensions, replacing any NaNs with a specified value. More...
Sum array elements over a given dimension.
This table defines output types for corresponding input types:
Input Type Output Type f32, f64, c32, c64 same as input s32, s64, u32, u64 same as input s16 s32 u16, u8, b8 u32
This function runs across all batches in the input simultaneously.
◆ af_sum()
C Interface to sum array elements over a given dimension.
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Parameters
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[out] out sum [in] in input array [in] dim dimension along which the summation occurs
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Returns
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AF_SUCCESS, if function returns successfully, else an af_err code is given
◆ af_sum_all()
C Interface to sum array elements over all dimensions.
If in is real, imag will be set to zeros.
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Parameters
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[out] real sum of all real components [out] imag sum of all imaginary components [in] in input array
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Returns
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AF_SUCCESS, if function returns successfully, else an af_err code is given
◆ af_sum_all_array()
C Interface to sum array elements over all dimensions.
Results in a single element af::array.
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Parameters
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[out] out sum [in] in input array
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Returns
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AF_SUCCESS, if function returns successfully, else an af_err code is given
◆ af_sum_nan()
C Interface to sum array elements over a given dimension, replacing any NaNs with a specified value.
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Parameters
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[out] out sum [in] in input array [in] dim dimension along which the summation occurs [in] nanval value that replaces NaNs
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Returns
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AF_SUCCESS, if function returns successfully, else an af_err code is given
◆ af_sum_nan_all() AFAPI af_err af_sum_nan_all ( double * real, double * imag, const af_array in, const double nanval )
C Interface to sum array elements over all dimensions, replacing any NaNs with a specified value.
If in is real, imag will be set to zeros.
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Parameters
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[out] real sum of all real components [out] imag sum of all imaginary components [in] in input array [in] nanval value that replaces NaNs
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Returns
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AF_SUCCESS, if function returns successfully, else an af_err code is given
◆ af_sum_nan_all_array()
C Interface to sum array elements over all dimensions, replacing any NaNs with a specified value.
Results in a single element af::array.
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Parameters
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[out] out sum [in] in input array [in] nanval value that replaces NaNs
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Returns
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AF_SUCCESS, if function returns successfully, else an af_err code is given
◆ sum() [1/4] T sum ( const array & in )
C++ Interface to sum array elements over all dimensions.
Results in a single value as an output, which may be a single element af::array.
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Parameters
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Returns
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sum
◆ sum() [2/4]
C++ Interface to sum array elements over a given dimension, replacing any NaNs with a specified value.
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Parameters
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[in] in input array [in] dim dimension along which the summation occurs [in] nanval value that replaces NaNs
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Returns
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sum
◆ sum() [3/4]
C++ Interface to sum array elements over a given dimension.
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Parameters
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[in] in input array [in] dim dimension along which the summation occurs, -1 denotes the first non-singleton dimension
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Returns
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sum
◆ sum() [4/4] T sum ( const array & in, double nanval )
C++ Interface to sum array elements over all dimensions, replacing any NaNs with a specified value.
Results in a single value as an output, which may be a single element af::array.
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Parameters
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[in] in input array [in] nanval value that replaces NaNs
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Returns
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sum
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