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| 1 | +#### stdlib_ndarray_every_{{SIGNATURE}}( \*arrays\[], \*data ) |
| 2 | + |
| 3 | +Tests whether every element in an ndarray is truthy. |
| 4 | + |
| 5 | +```c |
| 6 | +#include "stdlib/ndarray/dtypes.h" |
| 7 | +#include "stdlib/ndarray/index_modes.h" |
| 8 | +#include "stdlib/ndarray/orders.h" |
| 9 | +#include "stdlib/ndarray/ctor.h"{{EXAMPLE_INCLUDES}} |
| 10 | +#include <stdint.h> |
| 11 | +#include <stdlib.h> |
| 12 | +#include <stdio.h> |
| 13 | +#include <stdbool.h> |
| 14 | + |
| 15 | +// Define the ndarray data types: |
| 16 | +enum STDLIB_NDARRAY_DTYPE xdtype = STDLIB_NDARRAY_{{INPUT_NDARRAY_1_DTYPE_UPPER}}; |
| 17 | +enum STDLIB_NDARRAY_DTYPE ydtype = STDLIB_NDARRAY_BOOL; |
| 18 | + |
| 19 | +// Create underlying byte arrays: |
| 20 | +uint8_t xbuf[] = { {{INPUT_NDARRAY_1_BYTES_2D}} }; |
| 21 | +uint8_t ybuf[] = { 0 }; |
| 22 | + |
| 23 | +// Define the number of dimensions: |
| 24 | +int64_t ndims = 2; |
| 25 | + |
| 26 | +// Define the array shapes: |
| 27 | +int64_t shx[] = { {{NDARRAY_SHAPE_2D}} }; |
| 28 | +int64_t shy[] = {}; |
| 29 | + |
| 30 | +// Define the strides: |
| 31 | +int64_t sx[] = { {{OUTPUT_NDARRAY_STRIDES_2D}} }; |
| 32 | +int64_t sy[] = { 0 }; |
| 33 | + |
| 34 | +// Define the index offsets: |
| 35 | +int64_t ox = 0; |
| 36 | +int64_t oy = 0; |
| 37 | + |
| 38 | +// Define the array order: |
| 39 | +enum STDLIB_NDARRAY_ORDER order = STDLIB_NDARRAY_ROW_MAJOR; |
| 40 | + |
| 41 | +// Specify the index mode: |
| 42 | +enum STDLIB_NDARRAY_INDEX_MODE imode = STDLIB_NDARRAY_INDEX_ERROR; |
| 43 | + |
| 44 | +// Specify the subscript index modes: |
| 45 | +int8_t submodes[] = { imode }; |
| 46 | +int64_t nsubmodes = 1; |
| 47 | + |
| 48 | +// Create an input ndarray: |
| 49 | +struct ndarray *x = stdlib_ndarray_allocate( xdtype, xbuf, ndims, shx, sx, ox, order, imode, nsubmodes, submodes ); |
| 50 | +if ( x == NULL ) { |
| 51 | + fprintf( stderr, "Error allocating memory.\n" ); |
| 52 | + exit( EXIT_FAILURE ); |
| 53 | +} |
| 54 | + |
| 55 | +// Create an output ndarray: |
| 56 | +struct ndarray *y = stdlib_ndarray_allocate( ydtype, ybuf, 0, shy, sy, oy, order, imode, nsubmodes, submodes ); |
| 57 | +if ( y == NULL ) { |
| 58 | + fprintf( stderr, "Error allocating memory.\n" ); |
| 59 | + exit( EXIT_FAILURE ); |
| 60 | +} |
| 61 | + |
| 62 | +// Create an array containing the ndarrays: |
| 63 | +struct ndarray *arrays[] = { x, y }; |
| 64 | + |
| 65 | +// Test elements: |
| 66 | +int8_t status = stdlib_ndarray_{{SIGNATURE}}( arrays, NULL ); |
| 67 | +if ( status != 0 ) { |
| 68 | + fprintf( stderr, "Error during computation.\n" ); |
| 69 | + exit( EXIT_FAILURE ); |
| 70 | +} |
| 71 | + |
| 72 | +// ... |
| 73 | + |
| 74 | +// Free allocated memory: |
| 75 | +stdlib_ndarray_free( x ); |
| 76 | +stdlib_ndarray_free( y ); |
| 77 | +``` |
| 78 | + |
| 79 | +The function accepts the following arguments: |
| 80 | + |
| 81 | +- **arrays**: `[inout] struct ndarray**` array whose first element is a pointer to an input ndarray and whose second element is a pointer to a zero-dimensional output ndarray. |
| 82 | +- **data**: `[in] void*` function data. This argument is unused and should be a `NULL` pointer. |
| 83 | + |
| 84 | +```c |
| 85 | +int8_t stdlib_ndarray_every_{{SIGNATURE}}( struct ndarray *arrays[], void *data ); |
| 86 | +``` |
| 87 | + |
| 88 | +#### stdlib_ndarray_every_by_{{SIGNATURE}}( \*arrays\[], \*fcn ) |
| 89 | + |
| 90 | +Tests whether every element in an ndarray is truthy according to a predicate function. |
| 91 | + |
| 92 | +```c |
| 93 | +#include "stdlib/ndarray/dtypes.h" |
| 94 | +#include "stdlib/ndarray/index_modes.h" |
| 95 | +#include "stdlib/ndarray/orders.h" |
| 96 | +#include "stdlib/ndarray/ctor.h"{{EXAMPLE_INCLUDES}} |
| 97 | +#include <stdint.h> |
| 98 | +#include <stdlib.h> |
| 99 | +#include <stdio.h> |
| 100 | +#include <stdbool.h> |
| 101 | + |
| 102 | +// Define the ndarray data types: |
| 103 | +enum STDLIB_NDARRAY_DTYPE xdtype = STDLIB_NDARRAY_{{INPUT_NDARRAY_1_DTYPE_UPPER}}; |
| 104 | +enum STDLIB_NDARRAY_DTYPE ydtype = STDLIB_NDARRAY_BOOL; |
| 105 | + |
| 106 | +// Create underlying byte arrays: |
| 107 | +uint8_t xbuf[] = { {{INPUT_NDARRAY_1_BYTES_2D}} }; |
| 108 | +uint8_t ybuf[] = { 0 }; |
| 109 | + |
| 110 | +// Define the number of dimensions: |
| 111 | +int64_t ndims = 2; |
| 112 | + |
| 113 | +// Define the array shapes: |
| 114 | +int64_t shx[] = { {{NDARRAY_SHAPE_2D}} }; |
| 115 | +int64_t shy[] = {}; |
| 116 | + |
| 117 | +// Define the strides: |
| 118 | +int64_t sx[] = { {{OUTPUT_NDARRAY_STRIDES_2D}} }; |
| 119 | +int64_t sy[] = { 0 }; |
| 120 | + |
| 121 | +// Define the index offsets: |
| 122 | +int64_t ox = 0; |
| 123 | +int64_t oy = 0; |
| 124 | + |
| 125 | +// Define the array order: |
| 126 | +enum STDLIB_NDARRAY_ORDER order = STDLIB_NDARRAY_ROW_MAJOR; |
| 127 | + |
| 128 | +// Specify the index mode: |
| 129 | +enum STDLIB_NDARRAY_INDEX_MODE imode = STDLIB_NDARRAY_INDEX_ERROR; |
| 130 | + |
| 131 | +// Specify the subscript index modes: |
| 132 | +int8_t submodes[] = { imode }; |
| 133 | +int64_t nsubmodes = 1; |
| 134 | + |
| 135 | +// Create an input ndarray: |
| 136 | +struct ndarray *x = stdlib_ndarray_allocate( xdtype, xbuf, ndims, shx, sx, ox, order, imode, nsubmodes, submodes ); |
| 137 | +if ( x == NULL ) { |
| 138 | + fprintf( stderr, "Error allocating memory.\n" ); |
| 139 | + exit( EXIT_FAILURE ); |
| 140 | +} |
| 141 | + |
| 142 | +// Create an output ndarray: |
| 143 | +struct ndarray *y = stdlib_ndarray_allocate( ydtype, ybuf, 0, shy, sy, oy, order, imode, nsubmodes, submodes ); |
| 144 | +if ( y == NULL ) { |
| 145 | + fprintf( stderr, "Error allocating memory.\n" ); |
| 146 | + exit( EXIT_FAILURE ); |
| 147 | +} |
| 148 | + |
| 149 | +// Create an array containing the ndarrays: |
| 150 | +struct ndarray *arrays[] = { x, y }; |
| 151 | + |
| 152 | +// Define a callback: |
| 153 | +static bool fcn( const {{CALLBACK_PARAM_1_DTYPE}} x ) { |
| 154 | + {{CALLBACK_BODY}} |
| 155 | +} |
| 156 | + |
| 157 | +// Test elements: |
| 158 | +int8_t status = stdlib_ndarray_every_by_{{SIGNATURE}}( arrays, (void *)fcn ); |
| 159 | +if ( status != 0 ) { |
| 160 | + fprintf( stderr, "Error during computation.\n" ); |
| 161 | + exit( EXIT_FAILURE ); |
| 162 | +} |
| 163 | + |
| 164 | +// ... |
| 165 | + |
| 166 | +// Free allocated memory: |
| 167 | +stdlib_ndarray_free( x ); |
| 168 | +stdlib_ndarray_free( y ); |
| 169 | +``` |
| 170 | + |
| 171 | +The function accepts the following arguments: |
| 172 | + |
| 173 | +- **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. |
| 174 | +- **fcn**: `[in] void*` a `bool (*f)({{CALLBACK_PARAM_1_DTYPE}})` predicate function to apply provided as a `void` pointer. |
| 175 | + |
| 176 | +```c |
| 177 | +int8_t stdlib_ndarray_every_by_{{SIGNATURE}}( struct ndarray *arrays[], void *fcn ); |
| 178 | +``` |
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