diff --git a/lib/node_modules/@stdlib/blas/ext/base/ndarray/zsum/README.md b/lib/node_modules/@stdlib/blas/ext/base/ndarray/zsum/README.md index cc09d158d740..fecaa94a8438 100644 --- a/lib/node_modules/@stdlib/blas/ext/base/ndarray/zsum/README.md +++ b/lib/node_modules/@stdlib/blas/ext/base/ndarray/zsum/README.md @@ -98,6 +98,157 @@ console.log( v ); + + +* * * + +
+ +## C APIs + + + +
+ +
+ + + + + +
+ +### Usage + +```c +#include "stdlib/blas/ext/base/ndarray/zsum.h" +``` + +#### stdlib_blas_ext_zsum( arrays ) + +Computes the sum of all elements in a one-dimensional double-precision complex floating-point ndarray. + +```c +#include "stdlib/complex/float64/ctor.h" +#include "stdlib/ndarray/ctor.h" +#include "stdlib/ndarray/dtypes.h" +#include "stdlib/ndarray/index_modes.h" +#include "stdlib/ndarray/orders.h" +#include "stdlib/ndarray/base/bytes_per_element.h" +#include + +// Create an ndarray: +const double data[] = { 1.0, 2.0, 3.0, 4.0 }; +int64_t shape[] = { 2 }; +int64_t strides[] = { STDLIB_NDARRAY_COMPLEX128_BYTES_PER_ELEMENT }; +int8_t submodes[] = { STDLIB_NDARRAY_INDEX_ERROR }; + +struct ndarray *x = stdlib_ndarray_allocate( STDLIB_NDARRAY_COMPLEX128, (uint8_t *)data, 1, shape, strides, 0, STDLIB_NDARRAY_ROW_MAJOR, STDLIB_NDARRAY_INDEX_ERROR, 1, submodes ); + +// Compute the sum: +const struct ndarray *arrays[] = { x }; +stdlib_complex128_t v = stdlib_blas_ext_zsum( arrays ); +// returns [ 4.0, 6.0 ] + +// Free allocated memory: +stdlib_ndarray_free( x ); +``` + +The function accepts the following arguments: + +- **arrays**: `[in] struct ndarray**` list containing a one-dimensional input ndarray. + +```c +stdlib_complex128_t stdlib_blas_ext_zsum( const struct ndarray *arrays[] ); +``` + +
+ + + + + +
+ +
+ + + + + +
+ +### Examples + +```c +#include "stdlib/blas/ext/base/ndarray/zsum.h" +#include "stdlib/complex/float64/ctor.h" +#include "stdlib/complex/float64/real.h" +#include "stdlib/complex/float64/imag.h" +#include "stdlib/ndarray/ctor.h" +#include "stdlib/ndarray/dtypes.h" +#include "stdlib/ndarray/index_modes.h" +#include "stdlib/ndarray/orders.h" +#include "stdlib/ndarray/base/bytes_per_element.h" +#include +#include +#include + +int main( void ) { + // Create a data buffer: + const double data[] = { 1.0, -2.0, 3.0, -4.0, 5.0, -6.0, 7.0, -8.0 }; + + // Specify the number of array dimensions: + const int64_t ndims = 1; + + // Specify the array shape: + int64_t shape[] = { 4 }; + + // Specify the array strides: + int64_t strides[] = { STDLIB_NDARRAY_COMPLEX128_BYTES_PER_ELEMENT }; + + // Specify the byte offset: + const int64_t offset = 0; + + // Specify the array order: + const enum STDLIB_NDARRAY_ORDER order = STDLIB_NDARRAY_ROW_MAJOR; + + // Specify the index mode: + const enum STDLIB_NDARRAY_INDEX_MODE imode = STDLIB_NDARRAY_INDEX_ERROR; + + // Specify the subscript index modes: + int8_t submodes[] = { STDLIB_NDARRAY_INDEX_ERROR }; + const int64_t nsubmodes = 1; + + // Create an ndarray: + struct ndarray *x = stdlib_ndarray_allocate( STDLIB_NDARRAY_COMPLEX128, (uint8_t *)data, ndims, shape, strides, offset, order, imode, nsubmodes, submodes ); + if ( x == NULL ) { + fprintf( stderr, "Error allocating memory.\n" ); + exit( 1 ); + } + + // Define a list of ndarrays: + const struct ndarray *arrays[] = { x }; + + // Compute the sum: + stdlib_complex128_t v = stdlib_blas_ext_zsum( arrays ); + + // Print the result: + printf( "sum: %lf + %lfi\n", stdlib_complex128_real( v ), stdlib_complex128_imag( v ) ); + + // Free allocated memory: + stdlib_ndarray_free( x ); +} +``` + +
+ + + +
+ + +