Apply a unary callback to elements in an input ndarray and assign results to elements in an output ndarray.
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> Apply a unary callback to elements in an input ndarray and assign results to elements in an output ndarray.
``bash`
npm install @stdlib/ndarray-base-unary
`javascript`
var unary = require( '@stdlib/ndarray-base-unary' );
#### unary( arrays, fcn )
Applies a unary callback to elements in an input ndarray and assigns results to elements in an output ndarray.
`javascript
var Float64Array = require( '@stdlib/array-float64' );
function scale( x ) {
return x * 10.0;
}
// Create data buffers:
var xbuf = new Float64Array( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0, 11.0, 12.0 ] );
var ybuf = new Float64Array( 6 );
// Define the shape of the input and output arrays:
var shape = [ 3, 1, 2 ];
// Define the array strides:
var sx = [ 4, 4, 1 ];
var sy = [ 2, 2, 1 ];
// Define the index offsets:
var ox = 1;
var oy = 0;
// Create the input and output ndarray-like objects:
var x = {
'dtype': 'float64',
'data': xbuf,
'shape': shape,
'strides': sx,
'offset': ox,
'order': 'row-major'
};
var y = {
'dtype': 'float64',
'data': ybuf,
'shape': shape,
'strides': sy,
'offset': oy,
'order': 'row-major'
};
// Apply the unary function:
unary( [ x, y ], scale );
console.log( y.data );
// =>
`
The function accepts the following arguments:
- arrays: array-like object containing one input ndarray and one output ndarray.
- fcn: unary function to apply.
Each provided ndarray should be an object with the following properties:
- dtype: data type.
- data: data buffer.
- shape: dimensions.
- strides: stride lengths.
- offset: index offset.
- order: specifies whether an ndarray is row-major (C-style) or column major (Fortran-style).
- For very high-dimensional ndarrays which are non-contiguous, one should consider copying the underlying data to contiguous memory before applying a unary function in order to achieve better performance.
`javascript
var discreteUniform = require( '@stdlib/random-base-discrete-uniform' ).factory;
var filledarray = require( '@stdlib/array-filled' );
var filledarrayBy = require( '@stdlib/array-filled-by' );
var abs = require( '@stdlib/math-base-special-abs' );
var shape2strides = require( '@stdlib/ndarray-base-shape2strides' );
var ndarray2array = require( '@stdlib/ndarray-base-to-array' );
var unary = require( '@stdlib/ndarray-base-unary' );
var N = 10;
var x = {
'dtype': 'generic',
'data': filledarrayBy( N, 'generic', discreteUniform( -100, 100 ) ),
'shape': [ 5, 2 ],
'strides': [ 2, 1 ],
'offset': 0,
'order': 'row-major'
};
var y = {
'dtype': 'generic',
'data': filledarray( 0, N, 'generic' ),
'shape': x.shape.slice(),
'strides': shape2strides( x.shape, 'column-major' ),
'offset': 0,
'order': 'column-major'
};
unary( [ x, y ], abs );
console.log( ndarray2array( x.data, x.shape, x.strides, x.offset, x.order ) );
console.log( ndarray2array( y.data, y.shape, y.strides, y.offset, y.order ) );
`
*
Character codes for data types:
- x: bool (boolean).complex64
- c: (single-precision floating-point complex number).complex128
- z: (double-precision floating-point complex number).float32
- f: (single-precision floating-point number).float64
- d: (double-precision floating-point number).int16
- k: (signed 16-bit integer).int32
- i: (signed 32-bit integer).int8
- s: (signed 8-bit integer).uint16
- t: (unsigned 16-bit integer).uint32
- u: (unsigned 32-bit integer).uint8
- b: (unsigned 8-bit integer).
Function name suffix naming convention:
`text`
stdlib_ndarray_
For example,
`c`
void stdlib_ndarray_d_d(...) {...}
is a function which accepts one double-precision floating-point input ndarray and one double-precision floating-point output ndarray. In other words, the suffix encodes the function type signature.
To support callbacks whose input arguments and/or return values are of a different data type than the input and/or output ndarray data types, the naming convention supports appending an as suffix. For example,
`c`
void stdlib_ndarray_f_f_as_d_d(...) {...}
is a function which accepts one single-precision floating-point input ndarray and one single-precision floating-point output ndarray. However, the callback accepts and returns double-precision floating-point numbers. Accordingly, the input and output values need to be cast using the following conversion sequence
`c
// Convert each input array element to double-precision:
double in1 = (double)x[ i ];
// Evaluate the callback:
double out = f( in1 );
// Convert the callback return value to single-precision:
y[ i ] = (float)out;
`
When the input ndarray and the callback (i.e., the input argument and return value) share the same data type, the as suffix can be omitted. For example,
`c`
void stdlib_ndarray_f_d(...) {...}
is a function which accepts one single-precision floating-point input ndarray and one double-precision floating-point output ndarray. The callback is assumed to accept and return single-precision floating-point numbers. Accordingly, the input and output values are cast according to the following conversion sequence
`c
// Retrieve each input array element as single-precision:
float in1 = (float)x[ i ];
// Evaluate the callback:
float out = f( in1 );
// Convert the callback return value to double-precision:
y[ i ] = (double)out;
`
`c`
#include "stdlib/ndarray/base/unary.h"
#### stdlib_ndarray_b_b( \arrays\[], \fcn )
Applies a unary callback to an input ndarray and assigns results to elements in an output ndarray.
`c
#include "stdlib/ndarray/dtypes.h"
#include "stdlib/ndarray/index_modes.h"
#include "stdlib/ndarray/orders.h"
#include "stdlib/ndarray/ctor.h"
#include
#include
#include
// Define the ndarray data types:
enum STDLIB_NDARRAY_DTYPE xdtype = STDLIB_NDARRAY_UINT8;
enum STDLIB_NDARRAY_DTYPE ydtype = STDLIB_NDARRAY_UINT8;
// Create underlying byte arrays:
uint8_t xbuf[] = { 0, 0, 0, 0 };
uint8_t ybuf[] = { 0, 0, 0, 0 };
// Define the number of dimensions:
int64_t ndims = 2;
// Define the array shapes:
int64_t shape[] = { 2, 2 };
// Define the strides:
int64_t sx[] = { 2, 1 };
int64_t sy[] = { 2, 1 };
// Define the offsets:
int64_t ox = 0;
int64_t oy = 0;
// Define the array order:
enum STDLIB_NDARRAY_ORDER order = STDLIB_NDARRAY_ROW_MAJOR;
// Specify the index mode:
enum STDLIB_NDARRAY_INDEX_MODE imode = STDLIB_NDARRAY_INDEX_ERROR;
// Specify the subscript index modes:
int8_t submodes[] = { imode };
int64_t nsubmodes = 1;
// Create an input ndarray:
struct ndarray *x = stdlib_ndarray_allocate( xdtype, xbuf, ndims, shape, sx, ox, order, imode, nsubmodes, submodes );
if ( x == NULL ) {
fprintf( stderr, "Error allocating memory.\n" );
exit( EXIT_FAILURE );
}
// Create an output ndarray:
struct ndarray *y = stdlib_ndarray_allocate( ydtype, ybuf, ndims, shape, sy, oy, order, imode, nsubmodes, submodes );
if ( y == NULL ) {
fprintf( stderr, "Error allocating memory.\n" );
exit( EXIT_FAILURE );
}
// Create an array containing the ndarrays:
struct ndarray *arrays[] = { x, y };
// Define a callback:
static uint8_t fcn( const uint8_t x ) {
return x;
}
// Apply the callback:
int8_t status = stdlib_ndarray_b_b( arrays, (void *)fcn );
if ( status != 0 ) {
fprintf( stderr, "Error during computation.\n" );
exit( EXIT_FAILURE );
}
// ...
// Free allocated memory:
stdlib_ndarray_free( x );
stdlib_ndarray_free( y );
`
The function accepts the following arguments:
- arrays: [inout] struct ndarray** array whose first element is a pointer to an input ndarray and whose second element is a pointer to an output ndarray.[in] void
- fcn: a uint8_t (f)(uint8_t) function to apply provided as a void pointer.
`c`
int8_t stdlib_ndarray_b_b( struct ndarray arrays[], void fcn );
#### stdlib_ndarray_b_b_as_u_u( \arrays\[], \fcn )
Applies a unary callback to an input ndarray and assigns results to elements in an output ndarray.
`c
#include "stdlib/ndarray/dtypes.h"
#include "stdlib/ndarray/index_modes.h"
#include "stdlib/ndarray/orders.h"
#include "stdlib/ndarray/ctor.h"
#include
#include
#include
// Define the ndarray data types:
enum STDLIB_NDARRAY_DTYPE xdtype = STDLIB_NDARRAY_UINT8;
enum STDLIB_NDARRAY_DTYPE ydtype = STDLIB_NDARRAY_UINT8;
// Create underlying byte arrays:
uint8_t xbuf[] = { 0, 0, 0, 0 };
uint8_t ybuf[] = { 0, 0, 0, 0 };
// Define the number of dimensions:
int64_t ndims = 2;
// Define the array shapes:
int64_t shape[] = { 2, 2 };
// Define the strides:
int64_t sx[] = { 2, 1 };
int64_t sy[] = { 2, 1 };
// Define the offsets:
int64_t ox = 0;
int64_t oy = 0;
// Define the array order:
enum STDLIB_NDARRAY_ORDER order = STDLIB_NDARRAY_ROW_MAJOR;
// Specify the index mode:
enum STDLIB_NDARRAY_INDEX_MODE imode = STDLIB_NDARRAY_INDEX_ERROR;
// Specify the subscript index modes:
int8_t submodes[] = { imode };
int64_t nsubmodes = 1;
// Create an input ndarray:
struct ndarray *x = stdlib_ndarray_allocate( xdtype, xbuf, ndims, shape, sx, ox, order, imode, nsubmodes, submodes );
if ( x == NULL ) {
fprintf( stderr, "Error allocating memory.\n" );
exit( EXIT_FAILURE );
}
// Create an output ndarray:
struct ndarray *y = stdlib_ndarray_allocate( ydtype, ybuf, ndims, shape, sy, oy, order, imode, nsubmodes, submodes );
if ( y == NULL ) {
fprintf( stderr, "Error allocating memory.\n" );
exit( EXIT_FAILURE );
}
// Create an array containing the ndarrays:
struct ndarray *arrays[] = { x, y };
// Define a callback:
static uint32_t fcn( const uint32_t x ) {
return x;
}
// Apply the callback:
int8_t status = stdlib_ndarray_b_b_as_u_u( arrays, (void *)fcn );
if ( status != 0 ) {
fprintf( stderr, "Error during computation.\n" );
exit( EXIT_FAILURE );
}
// ...
// Free allocated memory:
stdlib_ndarray_free( x );
stdlib_ndarray_free( y );
`
The function accepts the following arguments:
- arrays: [inout] struct ndarray** array whose first element is a pointer to an input ndarray and whose second element is a pointer to an output ndarray.[in] void
- fcn: a uint32_t (f)(uint32_t) function to apply provided as a void pointer.
`c`
int8_t stdlib_ndarray_b_b_as_u_u( struct ndarray arrays[], void fcn );
#### stdlib_ndarray_b_b_as_v_v( \arrays\[], \fcn )
Applies a unary callback to an input ndarray and assigns results to elements in an output ndarray.
`c
#include "stdlib/ndarray/dtypes.h"
#include "stdlib/ndarray/index_modes.h"
#include "stdlib/ndarray/orders.h"
#include "stdlib/ndarray/ctor.h"
#include
#include
#include
// Define the ndarray data types:
enum STDLIB_NDARRAY_DTYPE xdtype = STDLIB_NDARRAY_UINT8;
enum STDLIB_NDARRAY_DTYPE ydtype = STDLIB_NDARRAY_UINT8;
// Create underlying byte arrays:
uint8_t xbuf[] = { 0, 0, 0, 0 };
uint8_t ybuf[] = { 0, 0, 0, 0 };
// Define the number of dimensions:
int64_t ndims = 2;
// Define the array shapes:
int64_t shape[] = { 2, 2 };
// Define the strides:
int64_t sx[] = { 2, 1 };
int64_t sy[] = { 2, 1 };
// Define the offsets:
int64_t ox = 0;
int64_t oy = 0;
// Define the array order:
enum STDLIB_NDARRAY_ORDER order = STDLIB_NDARRAY_ROW_MAJOR;
// Specify the index mode:
enum STDLIB_NDARRAY_INDEX_MODE imode = STDLIB_NDARRAY_INDEX_ERROR;
// Specify the subscript index modes:
int8_t submodes[] = { imode };
int64_t nsubmodes = 1;
// Create an input ndarray:
struct ndarray *x = stdlib_ndarray_allocate( xdtype, xbuf, ndims, shape, sx, ox, order, imode, nsubmodes, submodes );
if ( x == NULL ) {
fprintf( stderr, "Error allocating memory.\n" );
exit( EXIT_FAILURE );
}
// Create an output ndarray:
struct ndarray *y = stdlib_ndarray_allocate( ydtype, ybuf, ndims, shape, sy, oy, order, imode, nsubmodes, submodes );
if ( y == NULL ) {
fprintf( stderr, "Error allocating memory.\n" );
exit( EXIT_FAILURE );
}
// Create an array containing the ndarrays:
struct ndarray *arrays[] = { x, y };
// Define a callback:
static uint64_t fcn( const uint64_t x ) {
return x;
}
// Apply the callback:
int8_t status = stdlib_ndarray_b_b_as_v_v( arrays, (void *)fcn );
if ( status != 0 ) {
fprintf( stderr, "Error during computation.\n" );
exit( EXIT_FAILURE );
}
// ...
// Free allocated memory:
stdlib_ndarray_free( x );
stdlib_ndarray_free( y );
`
The function accepts the following arguments:
- arrays: [inout] struct ndarray** array whose first element is a pointer to an input ndarray and whose second element is a pointer to an output ndarray.[in] void
- fcn: a uint64_t (f)(uint64_t) function to apply provided as a void pointer.
`c`
int8_t stdlib_ndarray_b_b_as_v_v( struct ndarray arrays[], void fcn );
#### stdlib_ndarray_b_c( \arrays\[], \fcn )
Applies a unary callback to an input ndarray and assigns results to elements in an output ndarray.
`c
#include "stdlib/ndarray/dtypes.h"
#include "stdlib/ndarray/index_modes.h"
#include "stdlib/ndarray/orders.h"
#include "stdlib/ndarray/ctor.h"
#include
#include
#include
// Define the ndarray data types:
enum STDLIB_NDARRAY_DTYPE xdtype = STDLIB_NDARRAY_UINT8;
enum STDLIB_NDARRAY_DTYPE ydtype = STDLIB_NDARRAY_COMPLEX64;
// Create underlying byte arrays:
uint8_t xbuf[] = { 0, 0, 0, 0 };
uint8_t ybuf[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
// Define the number of dimensions:
int64_t ndims = 2;
// Define the array shapes:
int64_t shape[] = { 2, 2 };
// Define the strides:
int64_t sx[] = { 2, 1 };
int64_t sy[] = { 16, 8 };
// Define the offsets:
int64_t ox = 0;
int64_t oy = 0;
// Define the array order:
enum STDLIB_NDARRAY_ORDER order = STDLIB_NDARRAY_ROW_MAJOR;
// Specify the index mode:
enum STDLIB_NDARRAY_INDEX_MODE imode = STDLIB_NDARRAY_INDEX_ERROR;
// Specify the subscript index modes:
int8_t submodes[] = { imode };
int64_t nsubmodes = 1;
// Create an input ndarray:
struct ndarray *x = stdlib_ndarray_allocate( xdtype, xbuf, ndims, shape, sx, ox, order, imode, nsubmodes, submodes );
if ( x == NULL ) {
fprintf( stderr, "Error allocating memory.\n" );
exit( EXIT_FAILURE );
}
// Create an output ndarray:
struct ndarray *y = stdlib_ndarray_allocate( ydtype, ybuf, ndims, shape, sy, oy, order, imode, nsubmodes, submodes );
if ( y == NULL ) {
fprintf( stderr, "Error allocating memory.\n" );
exit( EXIT_FAILURE );
}
// Create an array containing the ndarrays:
struct ndarray *arrays[] = { x, y };
// Define a callback:
static uint8_t fcn( const uint8_t x ) {
return x;
}
// Apply the callback:
int8_t status = stdlib_ndarray_b_c( arrays, (void *)fcn );
if ( status != 0 ) {
fprintf( stderr, "Error during computation.\n" );
exit( EXIT_FAILURE );
}
// ...
// Free allocated memory:
stdlib_ndarray_free( x );
stdlib_ndarray_free( y );
`
The function accepts the following arguments:
- arrays: [inout] struct ndarray** array whose first element is a pointer to an input ndarray and whose second element is a pointer to an output ndarray.[in] void
- fcn: a uint8_t (f)(uint8_t) function to apply provided as a void pointer.
`c`
int8_t stdlib_ndarray_b_c( struct ndarray arrays[], void fcn );
#### stdlib_ndarray_b_c_as_b_c( \arrays\[], \fcn )
Applies a unary callback to an input ndarray and assigns results to elements in an output ndarray.
`c
#include "stdlib/ndarray/dtypes.h"
#include "stdlib/ndarray/index_modes.h"
#include "stdlib/ndarray/orders.h"
#include "stdlib/ndarray/ctor.h"
#include "stdlib/complex/float32/ctor.h"
#include
#include
#include
// Define the ndarray data types:
enum STDLIB_NDARRAY_DTYPE xdtype = STDLIB_NDARRAY_UINT8;
enum STDLIB_NDARRAY_DTYPE ydtype = STDLIB_NDARRAY_COMPLEX64;
// Create underlying byte arrays:
uint8_t xbuf[] = { 0, 0, 0, 0 };
uint8_t ybuf[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
// Define the number of dimensions:
int64_t ndims = 2;
// Define the array shapes:
int64_t shape[] = { 2, 2 };
// Define the strides:
int64_t sx[] = { 2, 1 };
int64_t sy[] = { 16, 8 };
// Define the offsets:
int64_t ox = 0;
int64_t oy = 0;
// Define the array order:
enum STDLIB_NDARRAY_ORDER order = STDLIB_NDARRAY_ROW_MAJOR;
// Specify the index mode:
enum STDLIB_NDARRAY_INDEX_MODE imode = STDLIB_NDARRAY_INDEX_ERROR;
// Specify the subscript index modes:
int8_t submodes[] = { imode };
int64_t nsubmodes = 1;
// Create an input ndarray:
struct ndarray *x = stdlib_ndarray_allocate( xdtype, xbuf, ndims, shape, sx, ox, order, imode, nsubmodes, submodes );
if ( x == NULL ) {
fprintf( stderr, "Error allocating memory.\n" );
exit( EXIT_FAILURE );
}
// Create an output ndarray:
struct ndarray *y = stdlib_ndarray_allocate( ydtype, ybuf, ndims, shape, sy, oy, order, imode, nsubmodes, submodes );
if ( y == NULL ) {
fprintf( stderr, "Error allocating memory.\n" );
exit( EXIT_FAILURE );
}
// Create an array containing the ndarrays:
struct ndarray *arrays[] = { x, y };
// Define a callback:
static stdlib_complex64_t fcn( const uint8_t x ) {
// ...
}
// Apply the callback:
int8_t status = stdlib_ndarray_b_c_as_b_c( arrays, (void *)fcn );
if ( status != 0 ) {
fprintf( stderr, "Error during computation.\n" );
exit( EXIT_FAILURE );
}
// ...
// Free allocated memory:
stdlib_ndarray_free( x );
stdlib_ndarray_free( y );
`
The function accepts the following arguments:
- arrays: [inout] struct ndarray** array whose first element is a pointer to an input ndarray and whose second element is a pointer to an output ndarray.[in] void
- fcn: a stdlib_complex64_t (f)(uint8_t) function to apply provided as a void pointer.
`c`
int8_t stdlib_ndarray_b_c_as_b_c( struct ndarray arrays[], void fcn );
#### stdlib_ndarray_b_c_as_c_c( \arrays\[], \fcn )
Applies a unary callback to an input ndarray and assigns results to elements in an output ndarray.
`c
#include "stdlib/ndarray/dtypes.h"
#include "stdlib/ndarray/index_modes.h"
#include "stdlib/ndarray/orders.h"
#include "stdlib/ndarray/ctor.h"
#include "stdlib/complex/float32/ctor.h"
#include
#include
#include
// Define the ndarray data types:
enum STDLIB_NDARRAY_DTYPE xdtype = STDLIB_NDARRAY_UINT8;
enum STDLIB_NDARRAY_DTYPE ydtype = STDLIB_NDARRAY_COMPLEX64;
// Create underlying byte arrays:
uint8_t xbuf[] = { 0, 0, 0, 0 };
uint8_t ybuf[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
// Define the number of dimensions:
int64_t ndims = 2;
// Define the array shapes:
int64_t shape[] = { 2, 2 };
// Define the strides:
int64_t sx[] = { 2, 1 };
int64_t sy[] = { 16, 8 };
// Define the offsets:
int64_t ox = 0;
int64_t oy = 0;
// Define the array order:
enum STDLIB_NDARRAY_ORDER order = STDLIB_NDARRAY_ROW_MAJOR;
// Specify the index mode:
enum STDLIB_NDARRAY_INDEX_MODE imode = STDLIB_NDARRAY_INDEX_ERROR;
// Specify the subscript index modes:
int8_t submodes[] = { imode };
int64_t nsubmodes = 1;
// Create an input ndarray:
struct ndarray *x = stdlib_ndarray_allocate( xdtype, xbuf, ndims, shape, sx, ox, order, imode, nsubmodes, submodes );
if ( x == NULL ) {
fprintf( stderr, "Error allocating memory.\n" );
exit( EXIT_FAILURE );
}
// Create an output ndarray:
struct ndarray *y = stdlib_ndarray_allocate( ydtype, ybuf, ndims, shape, sy, oy, order, imode, nsubmodes, submodes );
if ( y == NULL ) {
fprintf( stderr, "Error allocating memory.\n" );
exit( EXIT_FAILURE );
}
// Create an array containing the ndarrays:
struct ndarray *arrays[] = { x, y };
// Define a callback:
static stdlib_complex64_t fcn( const stdlib_complex64_t x ) {
// ...
}
// Apply the callback:
int8_t status = stdlib_ndarray_b_c_as_c_c( arrays, (void *)fcn );
if ( status != 0 ) {
fprintf( stderr, "Error during computation.\n" );
exit( EXIT_FAILURE );
}
// ...
// Free allocated memory:
stdlib_ndarray_free( x );
stdlib_ndarray_free( y );
`
The function accepts the following arguments:
- arrays: [inout] struct ndarray** array whose first element is a pointer to an input ndarray and whose second element is a pointer to an output ndarray.[in] void
- fcn: a stdlib_complex64_t (f)(stdlib_complex64_t) function to apply provided as a void pointer.
`c`
int8_t stdlib_ndarray_b_c_as_c_c( struct ndarray arrays[], void fcn );
#### stdlib_ndarray_b_c_as_z_z( \arrays\[], \fcn )
Applies a unary callback to an input ndarray and assigns results to elements in an output ndarray.
`c
#include "stdlib/ndarray/dtypes.h"
#include "stdlib/ndarray/index_modes.h"
#include "stdlib/ndarray/orders.h"
#include "stdlib/ndarray/ctor.h"
#include "stdlib/complex/float64/ctor.h"
#include
#include
#include
// Define the ndarray data types:
enum STDLIB_NDARRAY_DTYPE xdtype = STDLIB_NDARRAY_UINT8;
enum STDLIB_NDARRAY_DTYPE ydtype = STDLIB_NDARRAY_COMPLEX64;
// Create underlying byte arrays:
uint8_t xbuf[] = { 0, 0, 0, 0 };
uint8_t ybuf[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
// Define the number of dimensions:
int64_t ndims = 2;
// Define the array shapes:
int64_t shape[] = { 2, 2 };
// Define the strides:
int64_t sx[] = { 2, 1 };
int64_t sy[] = { 16, 8 };
// Define the offsets:
int64_t ox = 0;
int64_t oy = 0;
// Define the array order:
enum STDLIB_NDARRAY_ORDER order = STDLIB_NDARRAY_ROW_MAJOR;
// Specify the index mode:
enum STDLIB_NDARRAY_INDEX_MODE imode = STDLIB_NDARRAY_INDEX_ERROR;
// Specify the subscript index modes:
int8_t submodes[] = { imode };
int64_t nsubmodes = 1;
// Create an input ndarray:
struct ndarray *x = stdlib_ndarray_allocate( xdtype, xbuf, ndims, shape, sx, ox, order, imode, nsubmodes, submodes );
if ( x == NULL ) {
fprintf( stderr, "Error allocating memory.\n" );
exit( EXIT_FAILURE );
}
// Create an output ndarray:
struct ndarray *y = stdlib_ndarray_allocate( ydtype, ybuf, ndims, shape, sy, oy, order, imode, nsubmodes, submodes );
if ( y == NULL ) {
fprintf( stderr, "Error allocating memory.\n" );
exit( EXIT_FAILURE );
}
// Create an array containing the ndarrays:
struct ndarray *arrays[] = { x, y };
// Define a callback:
static stdlib_complex128_t fcn( const stdlib_complex128_t x ) {
// ...
}
// Apply the callback:
int8_t status = stdlib_ndarray_b_c_as_z_z( arrays, (void *)fcn );
if ( status != 0 ) {
fprintf( stderr, "Error during computation.\n" );
exit( EXIT_FAILURE );
}
// ...
// Free allocated memory:
stdlib_ndarray_free( x );
stdlib_ndarray_free( y );
`
The function accepts the following arguments:
- arrays: [inout] struct ndarray** array whose first element is a pointer to an input ndarray and whose second element is a pointer to an output ndarray.[in] void
- fcn: a stdlib_complex128_t (f)(stdlib_complex128_t) function to apply provided as a void pointer.
`c`
int8_t stdlib_ndarray_b_c_as_z_z( struct ndarray arrays[], void fcn );
#### stdlib_ndarray_b_d( \arrays\[], \fcn )
Applies a unary callback to an input ndarray and assigns results to elements in an output ndarray.
`c
#include "stdlib/ndarray/dtypes.h"
#include "stdlib/ndarray/index_modes.h"
#include "stdlib/ndarray/orders.h"
#include "stdlib/ndarray/ctor.h"
#include
#include
#include
// Define the ndarray data types:
enum STDLIB_NDARRAY_DTYPE xdtype = STDLIB_NDARRAY_UINT8;
enum STDLIB_NDARRAY_DTYPE ydtype = STDLIB_NDARRAY_FLOAT64;
// Create underlying byte arrays:
uint8_t xbuf[] = { 0, 0, 0, 0 };
uint8_t ybuf[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
// Define the number of dimensions:
int64_t ndims = 2;
// Define the array shapes:
int64_t shape[] = { 2, 2 };
// Define the strides:
int64_t sx[] = { 2, 1 };
int64_t sy[] = { 16, 8 };
// Define the offsets:
int64_t ox = 0;
int64_t oy = 0;
// Define the array order:
enum STDLIB_NDARRAY_ORDER order = STDLIB_NDARRAY_ROW_MAJOR;
// Specify the index mode:
enum STDLIB_NDARRAY_INDEX_MODE imode = STDLIB_NDARRAY_INDEX_ERROR;
// Specify the subscript index modes:
int8_t submodes[] = { imode };
int64_t nsubmodes = 1;
// Create an input ndarray:
struct ndarray *x = stdlib_ndarray_allocate( xdtype, xbuf, ndims, shape, sx, ox, order, imode, nsubmodes, submodes );
if ( x == NULL ) {
fprintf( stderr, "Error allocating memory.\n" );
exit( EXIT_FAILURE );
}
// Create an output ndarray:
struct ndarray *y = stdlib_ndarray_allocate( ydtype, ybuf, ndims, shape, sy, oy, order, imode, nsubmodes, submodes );
if ( y == NULL ) {
fprintf( stderr, "Error allocating memory.\n" );
exit( EXIT_FAILURE );
}
// Create an array containing the ndarrays:
struct ndarray *arrays[] = { x, y };
// Define a callback:
static uint8_t fcn( const uint8_t x ) {
return x;
}
// Apply the callback:
int8_t status = stdlib_ndarray_b_d( arrays, (void *)fcn );
if ( status != 0 ) {
fprintf( stderr, "Error during computation.\n" );
exit( EXIT_FAILURE );
}
// ...
// Free allocated memory:
stdlib_ndarray_free( x );
stdlib_ndarray_free( y );
`
The function accepts the following arguments:
- arrays: [inout] struct ndarray** array whose first element is a pointer to an input ndarray and whose second element is a pointer to an output ndarray.[in] void
- fcn: a uint8_t (f)(uint8_t) function to apply provided as a void pointer.
`c`
int8_t stdlib_ndarray_b_d( struct ndarray arrays[], void fcn );
#### stdlib_ndarray_b_d_as_b_d( \arrays\[], \fcn )
Applies a unary callback to an input ndarray and assigns results to elements in an output ndarray.
`c
#include "stdlib/ndarray/dtypes.h"
#include "stdlib/ndarray/index_modes.h"
#include "stdlib/ndarray/orders.h"
#include "stdlib/ndarray/ctor.h"
#include
#include
#include
// Define the ndarray data types:
enum STDLIB_NDARRAY_DTYPE xdtype = STDLIB_NDARRAY_UINT8;
enum STDLIB_NDARRAY_DTYPE ydtype = STDLIB_NDARRAY_FLOAT64;
// Create underlying byte arrays:
uint8_t xbuf[] = { 0, 0, 0, 0 };
uint8_t ybuf[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
// Define the number of dimensions:
int64_t ndims = 2;
// Define the array shapes:
int64_t shape[] = { 2, 2 };
// Define the strides:
int64_t sx[] = { 2, 1 };
int64_t sy[] = { 16, 8 };
// Define the offsets:
int64_t ox = 0;
int64_t oy = 0;
// Define the array order:
enum STDLIB_NDARRAY_ORDER order = STDLIB_NDARRAY_ROW_MAJOR;
// Specify the index mode:
enum STDLIB_NDARRAY_INDEX_MODE imode = STDLIB_NDARRAY_INDEX_ERROR;
// Specify the subscript index modes:
int8_t submodes[] = { imode };
int64_t nsubmodes = 1;
// Create an input ndarray:
struct ndarray *x = stdlib_ndarray_allocate( xdtype, xbuf, ndims, shape, sx, ox, order, imode, nsubmodes, submodes );
if ( x == NULL ) {
fprintf( stderr, "Error allocating memory.\n" );
exit( EXIT_FAILURE );
}
// Create an output ndarray:
struct ndarray *y = stdlib_ndarray_allocate( ydtype, ybuf, ndims, shape, sy, oy, order, imode, nsubmodes, submodes );
if ( y == NULL ) {
fprintf( stderr, "Error allocating memory.\n" );
exit( EXIT_FAILURE );
}
// Create an array containing the ndarrays:
struct ndarray *arrays[] = { x, y };
// Define a callback:
static double fcn( const uint8_t x ) {
// ...
}
// Apply the callback:
int8_t status = stdlib_ndarray_b_d_as_b_d( arrays, (void *)fcn );
if ( status != 0 ) {
fprintf( stderr, "Error during computation.\n" );
exit( EXIT_FAILURE );
}
// ...
// Free allocated memory:
stdlib_ndarray_free( x );
stdlib_ndarray_free( y );
`
The function accepts the following arguments:
- arrays: [inout] struct ndarray** array whose first element is a pointer to an input ndarray and whose second element is a pointer to an output ndarray.[in] void
- fcn: a double (f)(uint8_t) function to apply provided as a void pointer.
`c`
int8_t stdlib_ndarray_b_d_as_b_d( struct ndarray arrays[], void fcn );
#### stdlib_ndarray_b_d_as_d_d( \arrays\[], \fcn )
Applies a unary callback to an input ndarray and assigns results to elements in an output ndarray.
`c
#include "stdlib/ndarray/dtypes.h"
#include "stdlib/ndarray/index_modes.h"
#include "stdlib/ndarray/orders.h"
#include "stdlib/ndarray/ctor.h"
#include
#include
#include
// Define the ndarray data types:
enum STDLIB_NDARRAY_DTYPE xdtype = STDLIB_NDARRAY_UINT8;
enum STDLIB_NDARRAY_DTYPE ydtype = STDLIB_NDARRAY_FLOAT64;
// Create underlying byte arrays:
uint8_t xbuf[] = { 0, 0, 0, 0 };
uint8_t ybuf[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
// Define the number of dimensions:
int64_t ndims = 2;
// Define the array shapes:
int64_t shape[] = { 2, 2 };
// Define the strides:
int64_t sx[] = { 2, 1 };
int64_t sy[] = { 16, 8 };
// Define the offsets:
int64_t ox = 0;
int64_t oy = 0;
// Define the array order:
enum STDLIB_NDARRAY_ORDER order = STDLIB_NDARRAY_ROW_MAJOR;
// Specify the index mode:
enum STDLIB_NDARRAY_INDEX_MODE imode = STDLIB_NDARRAY_INDEX_ERROR;
// Specify the subscript index modes:
int8_t submodes[] = { imode };
int64_t nsubmodes = 1;
// Create an input ndarray:
struct ndarray *x = stdlib_ndarray_allocate( xdtype, xbuf, ndims, shape, sx, ox, order, imode, nsubmodes, submodes );
if ( x == NULL ) {
fprintf( stderr, "Error allocating memory.\n" );
exit( EXIT_FAILURE );
}
// Create an output ndarray:
struct ndarray *y = stdlib_ndarray_allocate( ydtype, ybuf, ndims, shape, sy, oy, order, imode, nsubmodes, submodes );
if ( y == NULL ) {
fprintf( stderr, "Error allocating memory.\n" );
exit( EXIT_FAILURE );
}
// Create an array containing the ndarrays:
struct ndarray *arrays[] = { x, y };
// Define a callback:
static double fcn( const double x ) {
return x;
}
// Apply the callback:
int8_t status = stdlib_ndarray_b_d_as_d_d( arrays, (void *)fcn );
if ( status != 0 ) {
fprintf( stderr, "Error during computation.\n" );
exit( EXIT_FAILURE );
}
// ...
// Free allocated memory:
stdlib_ndarray_free( x );
stdlib_ndarray_free( y );
`
The function accepts the following arguments:
- arrays: [inout] struct ndarray** array whose first element is a pointer to an input ndarray and whose second element is a pointer to an output ndarray.[in] void
- fcn: a double (f)(double) function to apply provided as a void pointer.
`c`
int8_t stdlib_ndarray_b_d_as_d_d( struct ndarray arrays[], void fcn );
#### stdlib_ndarray_b_f( \arrays\[], \fcn )
Applies a unary callback to an input ndarray and assigns results to elements in an output ndarray.
`c
#include "stdlib/ndarray/dtypes.h"
#include "stdlib/ndarray/index_modes.h"
#include "stdlib/ndarray/orders.h"
#include "stdlib/ndarray/ctor.h"
#include
#include
#include
// Define the ndarray data types:
enum STDLIB_NDARRAY_DTYPE xdtype = STDLIB_NDARRAY_UINT8;
enum STDLIB_NDARRAY_DTYPE ydtype = STDLIB_NDARRAY_FLOAT32;
// Create underlying byte arrays:
uint8_t xbuf[] = { 0, 0, 0, 0 };
uint8_t ybuf[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
// Define the number of dimensions:
int64_t ndims = 2;
// Define the array shapes:
int64_t shape[] = { 2, 2 };
// Define the strides:
int64_t sx[] = { 2, 1 };
int64_t sy[] = { 8, 4 };
// Define the offsets:
int64_t ox = 0;
int64_t oy = 0;
// Define the array order:
enum STDLIB_NDARRAY_ORDER order = STDLIB_NDARRAY_ROW_MAJOR;
// Specify the index mode:
enum STDLIB_NDARRAY_INDEX_MODE imode = STDLIB_NDARRAY_INDEX_ERROR;
// Specify the subscript index modes:
int8_t submodes[] = { imode };
int64_t nsubmodes = 1;
// Create an input ndarray:
struct ndarray *x = stdlib_ndarray_allocate( xdtype, xbuf, ndims, shape, sx, ox, order, imode, nsubmodes, submodes );
if ( x == NULL ) {
fprintf( stderr, "Error allocating memory.\n" );
exit( EXIT_FAILURE );
}
// Create an output ndarray:
struct ndarray *y = stdlib_ndarray_allocate( ydtype, ybuf, ndims, shape, sy, oy, order, imode, nsubmodes, submodes );
if ( y == NULL ) {
fprintf( stderr, "Error allocating memory.\n" );
exit( EXIT_FAILURE );
}
// Create an array containing the ndarrays:
struct ndarray *arrays[] = { x, y };
// Define a callback:
static uint8_t fcn( const uint8_t x ) {
return x;
}
// Apply the callback:
int8_t status = stdlib_ndarray_b_f( arrays, (void *)fcn );
if ( status != 0 ) {
fprintf( stderr, "Error during computation.\n" );
exit( EXIT_FAILURE );
}
// ...
// Free allocated memory:
stdlib_ndarray_free( x );
stdlib_ndarray_free( y );
`
The function accepts the following arguments:
- arrays: [inout] struct ndarray** array whose first element is a pointer to an input ndarray and whose second element is a pointer to an output ndarray.[in] void
- fcn: a uint8_t (f)(uint8_t) function to apply provided as a void pointer.
`c`
int8_t stdlib_ndarray_b_f( struct ndarray arrays[], void fcn );
#### stdlib_ndarray_b_f_as_b_f( \arrays\[], \fcn )
Applies a unary callback to an input ndarray and assigns results to elements in an output ndarray.
`c
#include "stdlib/ndarray/dtypes.h"
#include "stdlib/ndarray/index_modes.h"
#include "stdlib/ndarray/orders.h"
#include "stdlib/ndarray/ctor.h"
#include
#include
#include
// Define the ndarray data types:
enum STDLIB_NDARRAY_DTYPE xdtype = STDLIB_NDARRAY_UINT8;
enum STDLIB_NDARRAY_DTYPE ydtype = STDLIB_NDARRAY_FLOAT32;
// Create underlying byte arrays:
uint8_t xbuf[] = { 0, 0, 0, 0 };
uint8_t ybuf[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
// Define the number of dimensions:
int64_t ndims = 2;
// Define the array shapes:
int64_t shape[] = { 2, 2 };
// Define the strides:
int64_t sx[] = { 2, 1 };
int64_t sy[] = { 8, 4 };
// Define the offsets:
int64_t ox = 0;
int64_t oy = 0;
// Define the array order:
enum STDLIB_NDARRAY_ORDER order = STDLIB_NDARRAY_ROW_MAJOR;
// Specify the index mode:
enum STDLIB_NDARRAY_INDEX_MODE imode = STDLIB_NDARRAY_INDEX_ERROR;
// Specify the subscript index modes:
int8_t submodes[] = { imode };
int64_t nsubmodes = 1;
// Create an input ndarray:
struct ndarray *x = stdlib_ndarray_allocate( xdtype, xbuf, ndims, shape, sx, ox, order, imode, nsubmodes, submodes );
if ( x == NULL ) {
fprintf( stderr, "Error allocating memory.\n" );
exit( EXIT_FAILURE );
}
// Create an output ndarray:
struct ndarray *y = stdlib_ndarray_allocate( ydtype, ybuf, ndims, shape, sy, oy, order, imode, nsubmodes, submodes );
if ( y == NULL ) {
fprintf( stderr, "Error allocating memory.\n" );
exit( EXIT_FAILURE );
}
// Create an array containing the ndarrays:
struct ndarray *arrays[] = { x, y };
// Define a callback:
static float fcn( const uint8_t x ) {
// ...
}
// Apply the callback:
int8_t status = stdlib_ndarray_b_f_as_b_f( arrays, (void *)fcn );
if ( status != 0 ) {
fprintf( stderr, "Error during computation.\n" );
exit( EXIT_FAILURE );
}
// ...
// Free allocated memory:
stdlib_ndarray_free( x );
stdlib_ndarray_free( y );
`
The function accepts the following arguments:
- arrays: [inout] struct ndarray** array whose first element is a pointer to an input ndarray and whose second element is a pointer to an output ndarray.[in] void
- fcn: a float (f)(uint8_t) function to apply provided as a void pointer.
`c`
int8_t stdlib_ndarray_b_f_as_b_f( struct ndarray arrays[], void fcn );
#### stdlib_ndarray_b_f_as_d_d( \arrays\[], \fcn )
Applies a unary callback to an input ndarray and assigns results to elements in an output ndarray.
`c
#include "stdlib/ndarray/dtypes.h"
#include "stdlib/ndarray/index_modes.h"
#include "stdlib/ndarray/orders.h"
#include "stdlib/ndarray/ctor.h"
#include
#include
#include
// Define the ndarray data types:
enum STDLIB_NDARRAY_DTYPE xdtype = STDLIB_NDARRAY_UINT8;
enum STDLIB_NDARRAY_DTYPE ydtype = STDLIB_NDARRAY_FLOAT32;
// Create underlying byte arrays:
uint8_t xbuf[] = { 0, 0, 0, 0 };
uint8_t ybuf[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
// Define the number of dimensions:
int64_t ndims = 2;
// Define the array shapes:
int64_t shape[] = { 2, 2 };
// Define the strides:
int64_t sx[] = { 2, 1 };
int64_t sy[] = { 8, 4 };
// Define the offsets:
int64_t ox = 0;
int64_t oy = 0;
// Define the array order:
enum STDLIB_NDARRAY_ORDER order = STDLIB_NDARRAY_ROW_MAJOR;
// Specify the index mode:
enum STDLIB_NDARRAY_INDEX_MODE imode = STDLIB_NDARRAY_INDEX_ERROR;
// Specify the subscript index modes:
int8_t submodes[] = { imode };
int64_t nsubmodes = 1;
// Create an input ndarray:
struct ndarray *x = stdlib_ndarray_allocate( xdtype, xbuf, ndims, shape, sx, ox, order, imode, nsubmodes, submodes );
if ( x == NULL ) {
fprintf( stderr, "Error allocating memory.\n" );
exit( EXIT_FAILURE );
}
// Create an output ndarray:
struct ndarray *y = stdlib_ndarray_allocate( ydtype, ybuf, ndims, shape, sy, oy, order, imode, nsubmodes, submodes );
if ( y == NULL ) {
fprintf( stderr, "Error allocating memory.\n" );
exit( EXIT_FAILURE );
}
// Create an array containing the ndarrays:
struct ndarray *arrays[] = { x, y };
// Define a callback:
static double fcn( const double x ) {
return x;
}
// Apply the callback:
int8_t status = stdlib_ndarray_b_f_as_d_d( arrays, (void *)fcn );
if ( status != 0 ) {
fprintf( stderr, "Error during computation.\n" );
exit( EXIT_FAILURE );
}
// ...
// Free allocated memory:
stdlib_ndarray_free( x );
stdlib_ndarray_free( y );
`
The function accepts the following arguments:
- arrays: [inout] struct ndarray** array whose first element is a pointer to an input ndarray and whose second element is a pointer to an output ndarray.[in] void
- fcn: a double (f)(double) function to apply provided as a void pointer.
`c`
int8_t stdlib_ndarray_b_f_as_d_d( struct ndarray arrays[], void fcn );
#### stdlib_ndarray_b_f_as_f_f( \arrays\[], \fcn )
Applies a unary callback to an input ndarray and assigns results to elements in an output ndarray.
`c
#include "stdlib/ndarray/dtypes.h"
#include "stdlib/ndarray/index_modes.h"
#include "stdlib/ndarray/orders.h"
#include "stdlib/ndarray/ctor.h"
#include
#include
#include
// Define the ndarray data types:
enum STDLIB_NDARRAY_DTYPE xdtype = STDLIB_NDARRAY_UINT8;
enum STDLIB_NDARRAY_DTYPE ydtype = STDLIB_NDARRAY_FLOAT32;
// Create underlying byte arrays:
uint8_t xbuf[] = { 0, 0, 0, 0 };
uint8_t ybuf[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
// Define the number of dimensions:
int64_t ndims = 2;
// Define the array shapes:
int64_t shape[] = { 2, 2 };
// Define the strides:
int64_t sx[] = { 2, 1 };
int64_t sy[] = { 8, 4 };
// Define the offsets:
int64_t ox = 0;
int64_t oy = 0;
// Define the array order:
enum STDLIB_NDARRAY_ORDER order = STDLIB_NDARRAY_ROW_MAJOR;
// Specify the index mode:
enum STDLIB_NDARRAY_INDEX_MODE imode = STDLIB_NDARRAY_INDEX_ERROR;
// Specify the subscript index modes:
int8_t submodes[] = { imode };
int64_t nsubmodes = 1;
// Create an input ndarray:
struct ndarray *x = stdlib_ndarray_allocate( xdtype, xbuf, ndims, shape, sx, ox, order, imode, nsubmodes, submodes );
if ( x == NULL ) {
fprintf( stderr, "Error allocating memory.\n" );
exit( EXIT_FAILURE );
}
// Create an output ndarray:
struct ndarray *y = stdlib_ndarray_allocate( ydtype, ybuf, ndims, shape, sy, oy, order, imode, nsubmodes, submodes );
if ( y == NULL ) {
fprintf( stderr, "Error allocating memory.\n" );
exit( EXIT_FAILURE );
}
// Create an array containing the ndarrays:
struct ndarray *arrays[] = { x, y };
// Define a callback:
static float fcn( const float x ) {
return x;
}
// Apply the callback:
int8_t status = stdlib_ndarray_b_f_as_f_f( arrays, (void *)fcn );
if ( status != 0 ) {
fprintf( stderr, "Error during computation.\n" );
exit( EXIT_FAILURE );
}
// ...
// Free allocated memory:
stdlib_ndarray_free( x );
stdlib_ndarray_free( y );
`
The function accepts the following arguments:
- arrays: [inout] struct ndarray** array whose first element is a pointer to an input ndarray and whose second element is a pointer to an output ndarray.[in] void
- fcn: a float (f)(float) function to apply provided as a void pointer.
`c`
int8_t stdlib_ndarray_b_f_as_f_f( struct ndarray arrays[], void fcn );
#### stdlib_ndarray_b_i( \arrays\[], \fcn )
Applies a unary callback to an input ndarray and assigns results to elements in an output ndarray.
`c
#include "stdlib/ndarray/dtypes.h"
#include "stdlib/ndarray/index_modes.h"
#include "stdlib/ndarray/orders.h"
#include "stdlib/ndarray/ctor.h"
#include
#include
#include
// Define the ndarray data types:
enum STDLIB_NDARRAY_DTYPE xdtype = STDLIB_NDARRAY_UINT8;
enum STDLIB_NDARRAY_DTYPE ydtype = STDLIB_NDARRAY_INT32;
// Create underlying byte arrays:
uint8_t xbuf[] = { 0, 0, 0, 0 };
uint8_t ybuf[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
// Define the number of dimensions:
int64_t ndims = 2;
// Define the array shapes:
int64_t shape[] = { 2, 2 };
// Define the strides:
int64_t sx[] = { 2, 1 };
int64_t sy[] = { 8, 4 };
// Define the offsets:
int64_t ox = 0;
int64_t oy = 0;
// Define the array order:
enum STDLIB_NDARRAY_ORDER order = STDLIB_NDARRAY_ROW_MAJOR;
// Specify the index mode:
enum STDLIB_NDARRAY_INDEX_MODE imode = STDLIB_NDARRAY_INDEX_ERROR;
// Specify the subscript index modes:
int8_t submodes[] = { imode };
int64_t nsubmodes = 1;
// Create an input ndarray:
struct ndarray *x = stdlib_ndarray_allocate( xdtype, xbuf, ndims, shape, sx, ox, order, imode, nsubmodes, submodes );
if ( x == NULL ) {
fprintf( stderr, "Error allocating memory.\n" );
exit( EXIT_FAILURE );
}
// Create an output ndarray:
struct ndarray *y = stdlib_ndarray_allocate( ydtype, ybuf, ndims, shape, sy, oy, order, imode, nsubmodes, submodes );
if ( y == NULL ) {
fprintf( stderr, "Error allocating memory.\n" );
exit( EXIT_FAILURE );
}
// Create an array containing the ndarrays:
struct ndarray *arrays[] = { x, y };
// Define a callback:
static uint8_t fcn( const uint8_t x ) {
return x;
}
// Apply the callback:
int8_t status = stdlib_ndarray_b_i( arrays, (void *)fcn );
if ( status != 0 ) {
fprintf( stderr, "Error during computation.\n" );
exit( EXIT_FAILURE );
}
// ...
// Free allocated memory:
stdlib_ndarray_free( x );
stdlib_ndarray_free( y );
`
The function accepts the following arguments:
- arrays: [inout] struct ndarray** array whose first element is a pointer to an input ndarray and whose second element is a pointer to an output ndarray.[in] void
- fcn: a uint8_t (f)(uint8_t) function to apply provided as a void pointer.
`c`
int8_t stdlib_ndarray_b_i( struct ndarray arrays[], void fcn );
#### stdlib_ndarray_b_i_as_b_i( \arrays\[], \fcn )
Applies a unary callback to an input ndarray and assigns results to elements in an output ndarray.
`c
#include "stdlib/ndarray/dtypes.h"
#include "stdlib/ndarray/index_modes.h"
#include "stdlib/ndarray/orders.h"
#include "stdlib/ndarray/ctor.h"
#include
#include
#include
// Define the ndarray data types:
enum STDLIB_NDARRAY_DTYPE xdtype = STDLIB_NDARRAY_UINT8;
enum STDLIB_NDARRAY_DTYPE ydtype = STDLIB_NDARRAY_INT32;
// Create underlying byte arrays:
uint8_t xbuf[] = { 0, 0, 0, 0 };
uint8_t ybuf[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
// Define the number of dimensions:
int64_t ndims = 2;
// Define the array shapes:
int64_t shape[] = { 2, 2 };
// Define the strides:
int64_t sx[] = { 2, 1 };
int64_t sy[] = { 8, 4 };
// Define the offsets:
int64_t ox = 0;
int64_t oy = 0;
// Define the array order:
enum STDLIB_NDARRAY_ORDER order = STDLIB_NDARRAY_ROW_MAJOR;
// Specify the index mode:
enum STDLIB_NDARRAY_INDEX_MODE imode = STDLIB_NDARRAY_INDEX_ERROR;
// Specify the subscript index modes:
int8_t submodes[] = { imode };
int64_t nsubmodes = 1;
// Create an input ndarray:
struct ndarray *x = stdlib_ndarray_allocate( xdtype, xbuf, ndims, shape, sx, ox, order, imode, nsubmodes, submodes );
if ( x == NULL ) {
fprintf( stderr, "Error allocating memory.\n" );
exit( EXIT_FAILURE );
}
// Create an output ndarray:
struct ndarray *y = stdlib_ndarray_allocate( ydtype, ybuf, ndims, shape, sy, oy, order, imode, nsubmodes, submodes );
if ( y == NULL ) {
fprintf( stderr, "Error allocating memory.\n" );
exit( EXIT_FAILURE );
}
// Create an array containing the ndarrays:
struct ndarray *arrays[] = { x, y };
// Define a callback:
static int32_t fcn( const uint8_t x ) {
// ...
}
// Apply the callback:
int8_t status = stdlib_ndarray_b_i_as_b_i( arrays, (void *)fcn );
if ( status != 0 ) {
fprintf( stderr, "Error during computation.\n" );
exit( EXIT_FAILURE );
}
// ...
// Free allocated memory:
stdlib_ndarray_free( x );
stdlib_ndarray_free( y );
`
The function accepts the following arguments:
- arrays: [inout] struct ndarray** array whose first element is a pointer to an input ndarray and whose second element is a pointer to an output ndarray.[in] void
- fcn: a int32_t (f)(uint8_t) function to apply provided as a void pointer.
`c`
int8_t stdlib_ndarray_b_i_as_b_i( struct ndarray arrays[], void fcn );
#### stdlib_ndarray_b_i_as_i_i( \arrays\[], \fcn )
Applies a unary callback to an input ndarray and assigns results to elements in an output ndarray.
`c
#include "stdlib/ndarray/dtypes.h"
#include "stdlib/ndarray/index_modes.h"
#include "stdlib/ndarray/orders.h"
#include "stdlib/ndarray/ctor.h"
#include
#include
#include
// Define the ndarray data types:
enum STDLIB_NDARRAY_DTYPE xdtype = STDLIB_NDARRAY_UINT8;
enum STDLIB_NDARRAY_DTYPE ydtype = STDLIB_NDARRAY_INT32;
// Create underlying byte arrays:
uint8_t xbuf[] = { 0, 0, 0, 0 };
uint8_t ybuf[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
// Define the number of dimensions:
int64_t ndims = 2;
// Define the array shapes:
int64_t shape[] = { 2, 2 };
// Define the strides:
int64_t sx[] = { 2, 1 };
int64_t sy[] = { 8, 4 };
// Define the offsets:
int64_t ox = 0;
int64_t oy = 0;
// Define the array order:
enum STDLIB_NDARRAY_ORDER order = STDLIB_NDARRAY_ROW_MAJOR;
// Specify the index mode:
enum STDLIB_NDARRAY_INDEX_MODE imode = STDLIB_NDARRAY_INDEX_ERROR;
// Specify the subscript index modes:
int8_t submodes[] = { imode };
int64_t nsubmodes = 1;
// Create an input ndarray:
struct ndarray *x = stdlib_ndarray_allocate( xdtype, xbuf, ndims, shape, sx, ox, order, imode, nsubmodes, submodes );
if ( x == NULL ) {
fprintf( stderr, "Error allocating memory.\n" );
exit( EXIT_FAILURE );
}
// Create an output ndarray:
struct ndarray *y = stdlib_ndarray_allocate( ydtype, ybuf, ndims, shape, sy, oy, order, imode, nsubmodes, submodes );
if ( y == NULL ) {
fprintf( stderr, "Error allocating memory.\n" );
exit( EXIT_FAILURE );
}
// Create an array containing the ndarrays:
struct ndarray *arrays[] = { x, y };
// Define a callback:
static int32_t fcn( const int32_t x ) {
return x;
}
// Apply the callback:
int8_t status = stdlib_ndarray_b_i_as_i_i( arrays, (void *)fcn );
if ( status != 0 ) {
fprintf( stderr, "Error during computation.\n" );
exit( EXIT_FAILURE );
}
// ...
// Free allocated memory:
stdlib_ndarray_free( x );
stdlib_ndarray_free( y );
`
The function accepts the following arguments:
- arrays: [inout] struct ndarray** array whose first element is a pointer to an input ndarray and whose second element is a pointer to an output ndarray.[in] void
- fcn: a int32_t (f)(int32_t) function to apply provided as a void pointer.
`c`
int8_t stdlib_ndarray_b_i_as_i_i( struct ndarray arrays[], void fcn );
#### stdlib_ndarray_b_k( \arrays\[], \fcn )
Applies a unary callback to an input ndarray and assigns results to elements in an output ndarray.
`c
#include "stdlib/ndarray/dtypes.h"
#include "stdlib/ndarray/index_modes.h"
#include "stdlib/ndarray/orders.h"
#include "stdlib/ndarray/ctor.h"
#include
#include
#include
// Define the ndarray data types:
enum STDLIB_NDARRAY_DTYPE xdtype = STDLIB_NDARRAY_UINT8;
enum STDLIB_NDARRAY_DTYPE ydtype = STDLIB_NDARRAY_INT16;
// Create underlying byte arrays:
uint8_t xbuf[] = { 0, 0, 0, 0 };
uint8_t ybuf[] = { 0, 0, 0, 0, 0, 0, 0, 0 };
// Define the number of dimensions:
int64_t ndims = 2;
// Define the array shapes:
int64_t shape[] = { 2, 2 };
// Define the strides:
int64_t sx[] = { 2, 1 };
int64_t sy[] = { 4, 2 };
// Define the offsets:
int64_t ox = 0;
int64_t oy = 0;
// Define the array order:
enum STDLIB_NDARRAY_ORDER order = STDLIB_NDARRAY_ROW_MAJOR;
// Specify the index mode:
enum STDLIB_NDARRAY_INDEX_MODE imode = STDLIB_NDARRAY_INDEX_ERROR;
// Specify the subscript index modes:
int8_t submodes[] = { imode };
int64_t nsubmodes = 1;
// Create an input ndarray:
struct ndarray *x = stdlib_ndarray_allocate( xdtype, xbuf, ndims, shape, sx, ox, order, imode, nsubmodes, submodes );
if ( x == NULL ) {
fprintf( stderr, "Error allocating memory.\n" );
exit( EXIT_FAILURE );
}
// Create an output ndarray:
struct ndarray *y = stdlib_ndarray_allocate( ydtype, ybuf, ndims, shape, sy, oy, order, imode, nsubmodes, submodes );
if ( y == NULL ) {
fprintf( stderr, "Error allocating memory.\n" );
exit( EXIT_FAILURE );
}
// Create an array containing the ndarrays:
struct ndarray *arrays[] = { x, y };
// Define a callback:
static uint8_t fcn( const uint8_t x ) {
return x;
}
// Apply the callback:
int8_t status = stdlib_ndarray_b_k( arrays, (void *)fcn );
if ( status != 0 ) {
fprintf( stderr, "Error during computation.\n" );
exit( EXIT_FAILURE );
}
// ...
// Free allocated memory:
stdlib_ndarray_free( x );
stdlib_ndarray_free( y );
`
The function accepts the following arguments:
- arrays: [inout] struct ndarray** array whose first element is a pointer to an input ndarray and whose second element is a pointer to an output ndarray.[in] void
- fcn: a uint8_t (f)(uint8_t) function to apply provided as a void pointer.
`c`
int8_t stdlib_ndarray_b_k( struct ndarray arrays[], void fcn );
#### stdlib_ndarray_b_k_as_b_k( \arrays\[], \fcn )
Applies a unary callback to an input ndarray and assigns results to elements in an output ndarray.
`c
#include "stdlib/ndarray/dtypes.h"
#include "stdlib/ndarray/index_modes.h"
#include "stdlib/ndarray/orders.h"
#include "stdlib/ndarray/ctor.h"
#include
#include
#include
// Define the ndarray data types:
enum STDLIB_NDARRAY_DTYPE xdtype = STDLIB_NDARRAY_UINT8;
enum STDLIB_NDARRAY_DTYPE ydtype = STDLIB_NDARRAY_INT16;
// Create underlying byte arrays:
uint8_t xbuf[] = { 0, 0, 0, 0 };
uint8_t ybuf[] = { 0, 0, 0, 0, 0, 0, 0, 0 };
// Define the number of dimensions:
int64_t ndims = 2;
// Define the array shapes:
int64_t shape[] = { 2, 2 };
// Define the strides:
int64_t sx[] = { 2, 1 };
int64_t sy[] = { 4, 2 };
// Define the offsets:
int64_t ox = 0;
int64_t oy = 0;
// Define the array order:
enum STDLIB_NDARRAY_ORDER order = STDLIB_NDARRAY_ROW_MAJOR;
// Specify the index mode:
enum STDLIB_NDARRAY_INDEX_MODE imode = STDLIB_NDARRAY_INDEX_ERROR;
// Specify the subscript index modes:
int8_t submodes[] = { imode };
int64_t nsubmodes = 1;
// Create an input ndarray:
struct ndarray *x = stdlib_ndarray_allocate( xdtype, xbuf, ndims, shape, sx, ox, order, imode, nsubmodes, submodes );
if ( x == NULL ) {
fprintf( stderr, "Error allocating memory.\n" );
exit( EXIT_FAILURE );
}
// Create an output ndarray:
struct ndarray *y = stdlib_ndarray_allocate( ydtype, ybuf, ndims, shape, sy, oy, order, imode, nsubmodes, submodes );
if ( y == NULL ) {
fprintf( stderr, "Error allocating memory.\n" );
exit( EXIT_FAILURE );
}
// Create an array containing the ndarrays:
struct ndarray *arrays[] = { x, y };
// Define a callback:
static int16_t fcn( const uint8_t x ) {
// ...
}
// Apply the callback:
int8_t status = stdlib_ndarray_b_k_as_b_k( arrays, (void *)fcn );
if ( status != 0 ) {
fprintf( stderr, "Error during computation.\n" );
exit( EXIT_FAILURE );
}
// ...
// Free allocated memory:
stdlib_ndarray_free( x );
stdlib_ndarray_free( y );
`
The function accepts the following arguments:
- arrays: [inout] struct ndarray** array whose first element is a pointer to an input ndarray and whose second element is a pointer to an output ndarray.[in] void
- fcn: a int16_t (f)(uint8_t) function to apply provided as a void pointer.
`c`
int8_t stdlib_ndarray_b_k_as_b_k( struct ndarray arrays[], void fcn );
#### stdlib_ndarray_b_k_as_i_i( \arrays\[], \fcn )
Applies a unary callback to an input ndarray and assigns results to elements in an output ndarray.
`c
#include "stdlib/ndarray/dtypes.h"
#include "stdlib/ndarray/index_modes.h"
#include "stdlib/ndarray/orders.h"
#include "stdlib/ndarray/ctor.h"
#include
#include
#include
// Define the ndarray data types:
enum STDLIB_NDARRAY_DTYPE xdtype = STDLIB_NDARRAY_UINT8;
enum STDLIB_NDARRAY_DTYPE ydtype = STDLIB_NDARRAY_INT16;
// Create underlying byte arrays:
uint8_t xbuf[] = { 0, 0, 0, 0 };
uint8_t ybuf[] = { 0, 0, 0, 0, 0, 0, 0, 0 };
// Define the number of dimensions:
int64_t ndims = 2;
// Define the array shapes:
int64_t shape[] = { 2, 2 };
// Define the strides:
int64_t sx[] = { 2, 1 };
int64_t sy[] = { 4, 2 };
// Define the offsets:
int64_t ox = 0;
int64_t oy = 0;
// Define the array order:
enum STDLIB_NDARRAY_ORDER order = STDLIB_NDARRAY_ROW_MAJOR;
// Specify the index mode:
enum STDLIB_NDARRAY_INDEX_MODE imode = STDLIB_NDARRAY_INDEX_ERROR;
// Specify the subscript index modes:
int8_t submodes[] = { imode };
int64_t nsubmodes = 1;
// Create an input ndarray:
struct ndarray *x = stdlib_ndarray_allocate( xdtype, xbuf, ndims, shape, sx, ox, order, imode, nsubmodes, submodes );
if ( x == NULL ) {
fprintf( stderr, "Error allocating memory.\n" );
exit( EXIT_FAILURE );
}
// Create an output ndarray:
struct ndarray *y = stdlib_ndarray_allocate( ydtype, ybuf, ndims, shape, sy, oy, order, imode, nsubmodes, submodes );
if ( y == NULL ) {
fprintf( stderr, "Error allocating memory.\n" );
exit( EXIT_FAILURE );
}
// Create an array containing the ndarrays:
struct ndarray *arrays[] = { x, y };
// Define a callback:
static int32_t fcn( const int32_t x ) {
return x;
}
// Apply the callback:
int8_t status = stdlib_ndarray_b_k_as_i_i( arrays, (void *)fcn );
if ( status != 0 ) {
fprintf( stderr, "Error during computation.\n" );
exit( EXIT_FAILURE );
}
// ...
// Free allocated memory:
stdlib_ndarray_free( x );
stdlib_ndarray_free( y );
`
The function accepts the following arguments:
- arrays: [inout] struct ndarray** array whose first element is a pointer to an input ndarray and whose second element is a pointer to an output ndarray.[in] void
- fcn: a int32_t (f)(int32_t) function to apply provided as a void pointer.
`c`
int8_t stdlib_ndarray_b_k_as_i_i( struct ndarray arrays[], void fcn );
#### stdlib_ndarray_b_k_as_k_k( \arrays\[], \fcn )
Applies a unary callback to an input ndarray and assigns results to elements in an output ndarray.
`c
#include "stdlib/ndarray/dtypes.h"
#include "stdlib/ndarray/index_modes.h"
#include "stdlib/ndarray/orders.h"
#include "stdlib/ndarray/ctor.h"
#include
#include
#include
// Define the ndarray data types:
enum STDLIB_NDARRAY_DTYPE xdtype = STDLIB_NDARRAY_UINT8;
enum STDLIB_NDARRAY_DTYPE ydtype = STDLIB_NDARRAY_INT16;
// Create underlying byte arrays:
uint8_t xbuf[] = { 0, 0, 0, 0 };
uint8_t ybuf[] = { 0, 0, 0, 0, 0, 0, 0, 0 };
// Define the number of dimensions:
int64_t ndims = 2;
// Define the array shapes:
int64_t shape[] = { 2, 2 };
// Define the strides:
int64_t sx[] = { 2, 1 };
int64_t sy[] = { 4, 2 };
// Define the offsets:
int64_t ox = 0;
int64_t oy = 0;
// Define the array order:
enum STDLIB_NDARRAY_ORDER order = STDLIB_NDARRAY_ROW_MAJOR;
// Specify the index mode:
enum STDLIB_NDARRAY_INDEX_MODE imode = STDLIB_NDARRAY_INDEX_ERROR;
// Specify the subscript index modes:
int8_t submodes[] = { imode };
int64_t nsubmodes = 1;
// Create an input ndarray:
struct ndarray *x = stdlib_ndarray_allocate( xdtype, xbuf, ndims, shape, sx, ox, order, imode, nsubmodes, submodes );
if ( x == NULL ) {
fprintf( stderr, "Error allocating memory.\n" );
exit( EXIT_FAILURE );
}
// Create an output ndarray:
struct ndarray *y = stdlib_ndarray_allocate( ydtype, ybuf, ndims, shape, sy, oy, order, imode, nsubmodes, submodes );
if ( y == NULL ) {
fprintf( stderr, "Error allocating memory.\n" );
exit( EXIT_FAILURE );
}
// Create an array containing the ndarrays:
struct ndarray *arrays[] = { x, y };
// Define a callback:
static int16_t fcn( const int16_t x ) {
return x;
}
// Apply the callback:
int8_t status = stdlib_ndarray_b_k_as_k_k( arrays, (void *)fcn );
if ( status != 0 ) {
fprintf( stderr, "Error during computation.\n" );
exit( EXIT_FAILURE );
}
// ...
// Free allocated memory:
stdlib_ndarray_free( x );
stdlib_ndarray_free( y );
`
The function accepts the following arguments:
- arrays: [inout] struct ndarray** array whose first element is a pointer to an input ndarray and whose second element is a pointer to an output ndarray.[in] void
- fcn: a int16_t (f)(int16_t) function to apply provided as a void pointer.
`c`
int8_t stdlib_ndarray_b_k_as_k_k( struct ndarray arrays[], void fcn );
#### stdlib_ndarray_b_k_as_l_l( \arrays\[], \fcn )
Applies a unary callback to an input ndarray and assigns results to elements in an output ndarray.
`c
#include "stdlib/ndarray/dtypes.h"
#include "stdlib/ndarray/index_modes.h"
#include "stdlib/ndarray/orders.h"
#include "stdlib/ndarray/ctor.h"
#include
#include
#include
// Define the ndarray data types:
enum STDLIB_NDARRAY_DTYPE xdtype = STDLIB_NDARRAY_UINT8;
enum STDLIB_NDARRAY_DTYPE ydtype = STDLIB_NDARRAY_INT16;
// Create underlying byte arrays:
uint8_t xbuf[] = { 0, 0, 0, 0 };
uint8_t ybuf[] = { 0, 0, 0, 0, 0, 0, 0, 0 };
// Define the number of dimensions:
int64_t ndims = 2;
// Define the array shapes:
int64_t shape[] = { 2, 2 };
// Define the strides:
int64_t sx[] = { 2, 1 };
int64_t sy[] = { 4, 2 };
// Define the offsets:
int64_t ox = 0;
int64_t oy = 0;
// Define the array order:
enum STDLIB_NDARRAY_ORDER order = STDLIB_NDARRAY_ROW_MAJOR;
// Specify the index mode:
enum STDLIB_NDARRAY_INDEX_MODE imode = STDLIB_NDARRAY_INDEX_ERROR;
// Specify the subscript index modes:
int8_t submodes[] = { imode };
int64_t nsubmodes = 1;
// Create an input ndarray:
struct ndarray *x = stdlib_ndarray_allocate( xdtype, xbuf, ndims, shape, sx, ox, order, imode, nsubmodes, submodes );
if ( x == NULL ) {
fprintf( stderr, "Error allocating memory.\n" );
exit( EXIT_FAILURE );
}
// Create an output ndarray:
struct ndarray *y = stdlib_ndarray_allocate( ydtype, ybuf, ndims, shape, sy, oy, order, imode, nsubmodes, submodes );
if ( y == NULL ) {
fprintf( stderr, "Error allocating memory.\n" );
exit( EXIT_FAILURE );
}
// Create an array containing the ndarrays:
struct ndarray *arrays[] = { x, y };
// Define a callback:
static int64_t fcn( const int64_t x ) {
return x;
}
// Apply the callback:
int8_t status = stdlib_ndarray_b_k_as_l_l( arrays, (void *)fcn );
if ( status != 0 ) {
fprintf( stderr, "Error during computation.\n" );
exit( EXIT_FAILURE );
}
// ...
// Free allocated memory:
stdlib_ndarray_free( x );
stdlib_ndarray_free( y );
`
The function accepts the following arguments:
- arrays: [inout] struct ndarray** array whose first element is a pointer to an input ndarray and whose second element is a pointer to an output ndarray.[in] void
- fcn: a int64_t (f)(int64_t) function to apply provided as a void pointer.
`c`
int8_t stdlib_ndarray_b_k_as_l_l( struct ndarray arrays[], void fcn );
#### stdlib_ndarray_b_l( \arrays\[], \fcn )
Applies a unary callback to an input ndarray and assigns results to elements in an output ndarray.
``c
#include "stdlib/ndarray/dtypes.h"
#include "stdlib/ndarray/index_modes.h"
#include "stdlib/ndarray/orders.h"
#include "stdlib/ndarray/ctor.h"
#include
#include
#include
// Define the ndarray data types:
enum STDLIB_NDARRAY_DTYPE xdtype = STDLIB_NDARRAY_UINT8;
enum STDLIB_NDARRAY_DTYPE ydtype = STDLIB_NDARRAY_INT64;
// Create underlying byte arrays:
uint8_t xbuf[] = { 0, 0, 0, 0 };
uint8_t ybuf[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
// Define the number of dimensions:
int64_t ndims = 2;
// Define the array shapes:
int64_t shape[] = { 2, 2 };
// Define the strides:
int64_t sx[] = { 2, 1 };
int64_t sy[] = { 16, 8 };
// Define the offsets:
int64_t ox = 0;
int64_t oy = 0;
// Define the array order:
enum STDLIB_NDARRAY_ORDER order = STDLIB_NDARRAY_ROW_MAJOR;
// Specify the index mode:
enum STDLIB_NDARRAY_INDEX_MODE imode = STDLIB_NDARRAY_INDEX_ERROR;
// Specify the subscript index modes:
int8_t submodes[] = { imode };
int64_t nsubmodes = 1;
// Create an input ndarray:
struct ndarray *x = stdlib_ndarray_allocate( xdtype, xbuf, ndims, shape, sx, ox, order, imode, nsubmodes, submodes );
if ( x == NULL ) {
fprintf( stderr, "Error allocating memory.\n" );
exit( EXIT_FAILURE );
}
// Create an output ndarray:
struct ndarray *y = stdlib_ndarray_allocate( ydtype, ybuf, ndims, shape, sy, oy, order, imode, nsubmodes, submodes );
if ( y == NULL ) {
fprintf( stderr, "Error allocating memory.\n" );