+ Press n or j to go to the next uncovered block, b, p or k for the previous block. +
+ +| File | ++ | Statements | ++ | Branches | ++ | Functions | ++ | Lines | ++ |
|---|---|---|---|---|---|---|---|---|---|
| index.js | +
+
+ |
+ 100% | +631/631 | +100% | +1/1 | +100% | +0/0 | +100% | +631/631 | +
+ Press n or j to go to the next uncovered block, b, p or k for the previous block. +
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+1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x + | /**
+* @license Apache-2.0
+*
+* Copyright (c) 2018 The Stdlib Authors.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+'use strict';
+
+/*
+* When adding modules to the namespace, ensure that they are added in alphabetical order according to module name.
+*/
+
+/*
+* The following modules are intentionally not exported: function-object, napi, unary
+*/
+
+// MODULES //
+
+var setReadOnly = require( '@stdlib/utils/define-read-only-property' );
+
+
+// MAIN //
+
+/**
+* Top-level namespace.
+*
+* @namespace ns
+*/
+var ns = {};
+
+/**
+* @name assert
+* @memberof ns
+* @readonly
+* @type {Namespace}
+* @see {@link module:@stdlib/ndarray/base/assert}
+*/
+setReadOnly( ns, 'assert', require( '@stdlib/ndarray/base/assert' ) );
+
+/**
+* @name binaryLoopOrder
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/binary-loop-interchange-order}
+*/
+setReadOnly( ns, 'binaryLoopOrder', require( '@stdlib/ndarray/base/binary-loop-interchange-order' ) );
+
+/**
+* @name binaryBlockSize
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/binary-tiling-block-size}
+*/
+setReadOnly( ns, 'binaryBlockSize', require( '@stdlib/ndarray/base/binary-tiling-block-size' ) );
+
+/**
+* @name bind2vind
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/bind2vind}
+*/
+setReadOnly( ns, 'bind2vind', require( '@stdlib/ndarray/base/bind2vind' ) );
+
+/**
+* @name broadcastArray
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/broadcast-array}
+*/
+setReadOnly( ns, 'broadcastArray', require( '@stdlib/ndarray/base/broadcast-array' ) );
+
+/**
+* @name broadcastScalar
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/broadcast-scalar}
+*/
+setReadOnly( ns, 'broadcastScalar', require( '@stdlib/ndarray/base/broadcast-scalar' ) );
+
+/**
+* @name broadcastShapes
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/broadcast-shapes}
+*/
+setReadOnly( ns, 'broadcastShapes', require( '@stdlib/ndarray/base/broadcast-shapes' ) );
+
+/**
+* @name buffer
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/buffer}
+*/
+setReadOnly( ns, 'buffer', require( '@stdlib/ndarray/base/buffer' ) );
+
+/**
+* @name bufferCtors
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/buffer-ctors}
+*/
+setReadOnly( ns, 'bufferCtors', require( '@stdlib/ndarray/base/buffer-ctors' ) );
+
+/**
+* @name bufferDataType
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/buffer-dtype}
+*/
+setReadOnly( ns, 'bufferDataType', require( '@stdlib/ndarray/base/buffer-dtype' ) );
+
+/**
+* @name bufferDataTypeEnum
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/buffer-dtype-enum}
+*/
+setReadOnly( ns, 'bufferDataTypeEnum', require( '@stdlib/ndarray/base/buffer-dtype-enum' ) );
+
+/**
+* @name bytesPerElement
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/bytes-per-element}
+*/
+setReadOnly( ns, 'bytesPerElement', require( '@stdlib/ndarray/base/bytes-per-element' ) );
+
+/**
+* @name char2dtype
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/char2dtype}
+*/
+setReadOnly( ns, 'char2dtype', require( '@stdlib/ndarray/base/char2dtype' ) );
+
+/**
+* @name clampIndex
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/clamp-index}
+*/
+setReadOnly( ns, 'clampIndex', require( '@stdlib/ndarray/base/clamp-index' ) );
+
+/**
+* @name ndarray
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/ctor}
+*/
+setReadOnly( ns, 'ndarray', require( '@stdlib/ndarray/base/ctor' ) );
+
+/**
+* @name dtypeChar
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/dtype-char}
+*/
+setReadOnly( ns, 'dtypeChar', require( '@stdlib/ndarray/base/dtype-char' ) );
+
+/**
+* @name dtypeDesc
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/dtype-desc}
+*/
+setReadOnly( ns, 'dtypeDesc', require( '@stdlib/ndarray/base/dtype-desc' ) );
+
+/**
+* @name dtypeEnum2Str
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/dtype-enum2str}
+*/
+setReadOnly( ns, 'dtypeEnum2Str', require( '@stdlib/ndarray/base/dtype-enum2str' ) );
+
+/**
+* @name dtypeResolveEnum
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/dtype-resolve-enum}
+*/
+setReadOnly( ns, 'dtypeResolveEnum', require( '@stdlib/ndarray/base/dtype-resolve-enum' ) );
+
+/**
+* @name dtypeResolveStr
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/dtype-resolve-str}
+*/
+setReadOnly( ns, 'dtypeResolveStr', require( '@stdlib/ndarray/base/dtype-resolve-str' ) );
+
+/**
+* @name dtypeStr2Enum
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/dtype-str2enum}
+*/
+setReadOnly( ns, 'dtypeStr2Enum', require( '@stdlib/ndarray/base/dtype-str2enum' ) );
+
+/**
+* @name dtype2c
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/dtype2c}
+*/
+setReadOnly( ns, 'dtype2c', require( '@stdlib/ndarray/base/dtype2c' ) );
+
+/**
+* @name dtypes2signatures
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/dtypes2signatures}
+*/
+setReadOnly( ns, 'dtypes2signatures', require( '@stdlib/ndarray/base/dtypes2signatures' ) );
+
+/**
+* @name empty
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/empty}
+*/
+setReadOnly( ns, 'empty', require( '@stdlib/ndarray/base/empty' ) );
+
+/**
+* @name emptyLike
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/empty-like}
+*/
+setReadOnly( ns, 'emptyLike', require( '@stdlib/ndarray/base/empty-like' ) );
+
+/**
+* @name expandDimensions
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/expand-dimensions}
+*/
+setReadOnly( ns, 'expandDimensions', require( '@stdlib/ndarray/base/expand-dimensions' ) );
+
+/**
+* @name scalar2ndarray
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/from-scalar}
+*/
+setReadOnly( ns, 'scalar2ndarray', require( '@stdlib/ndarray/base/from-scalar' ) );
+
+/**
+* @name ind
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/ind}
+*/
+setReadOnly( ns, 'ind', require( '@stdlib/ndarray/base/ind' ) );
+
+/**
+* @name ind2sub
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/ind2sub}
+*/
+setReadOnly( ns, 'ind2sub', require( '@stdlib/ndarray/base/ind2sub' ) );
+
+/**
+* @name iterationOrder
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/iteration-order}
+*/
+setReadOnly( ns, 'iterationOrder', require( '@stdlib/ndarray/base/iteration-order' ) );
+
+/**
+* @name maxViewBufferIndex
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/max-view-buffer-index}
+*/
+setReadOnly( ns, 'maxViewBufferIndex', require( '@stdlib/ndarray/base/max-view-buffer-index' ) );
+
+/**
+* @name maybeBroadcastArray
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/maybe-broadcast-array}
+*/
+setReadOnly( ns, 'maybeBroadcastArray', require( '@stdlib/ndarray/base/maybe-broadcast-array' ) );
+
+/**
+* @name metaDataProps
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/meta-data-props}
+*/
+setReadOnly( ns, 'metaDataProps', require( '@stdlib/ndarray/base/meta-data-props' ) );
+
+/**
+* @name minViewBufferIndex
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/min-view-buffer-index}
+*/
+setReadOnly( ns, 'minViewBufferIndex', require( '@stdlib/ndarray/base/min-view-buffer-index' ) );
+
+/**
+* @name minmaxViewBufferIndex
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/minmax-view-buffer-index}
+*/
+setReadOnly( ns, 'minmaxViewBufferIndex', require( '@stdlib/ndarray/base/minmax-view-buffer-index' ) );
+
+/**
+* @name ndarraylike2object
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/ndarraylike2object}
+*/
+setReadOnly( ns, 'ndarraylike2object', require( '@stdlib/ndarray/base/ndarraylike2object' ) );
+
+/**
+* @name nonsingletonDimensions
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/nonsingleton-dimensions}
+*/
+setReadOnly( ns, 'nonsingletonDimensions', require( '@stdlib/ndarray/base/nonsingleton-dimensions' ) );
+
+/**
+* @name nullary
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/nullary}
+*/
+setReadOnly( ns, 'nullary', require( '@stdlib/ndarray/base/nullary' ) );
+
+/**
+* @name nullaryLoopOrder
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/nullary-loop-interchange-order}
+*/
+setReadOnly( ns, 'nullaryLoopOrder', require( '@stdlib/ndarray/base/nullary-loop-interchange-order' ) );
+
+/**
+* @name nullaryBlockSize
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/nullary-tiling-block-size}
+*/
+setReadOnly( ns, 'nullaryBlockSize', require( '@stdlib/ndarray/base/nullary-tiling-block-size' ) );
+
+/**
+* @name numel
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/numel}
+*/
+setReadOnly( ns, 'numel', require( '@stdlib/ndarray/base/numel' ) );
+
+/**
+* @name outputPolicyEnum2Str
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/output-policy-enum2str}
+*/
+setReadOnly( ns, 'outputPolicyEnum2Str', require( '@stdlib/ndarray/base/output-policy-enum2str' ) );
+
+/**
+* @name outputPolicyResolveEnum
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/output-policy-resolve-enum}
+*/
+setReadOnly( ns, 'outputPolicyResolveEnum', require( '@stdlib/ndarray/base/output-policy-resolve-enum' ) );
+
+/**
+* @name outputPolicyResolveStr
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/output-policy-resolve-str}
+*/
+setReadOnly( ns, 'outputPolicyResolveStr', require( '@stdlib/ndarray/base/output-policy-resolve-str' ) );
+
+/**
+* @name outputPolicyStr2Enum
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/output-policy-str2enum}
+*/
+setReadOnly( ns, 'outputPolicyStr2Enum', require( '@stdlib/ndarray/base/output-policy-str2enum' ) );
+
+/**
+* @name prependSingletonDimensions
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/prepend-singleton-dimensions}
+*/
+setReadOnly( ns, 'prependSingletonDimensions', require( '@stdlib/ndarray/base/prepend-singleton-dimensions' ) );
+
+/**
+* @name removeSingletonDimensions
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/remove-singleton-dimensions}
+*/
+setReadOnly( ns, 'removeSingletonDimensions', require( '@stdlib/ndarray/base/remove-singleton-dimensions' ) );
+
+/**
+* @name serializeMetaData
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/serialize-meta-data}
+*/
+setReadOnly( ns, 'serializeMetaData', require( '@stdlib/ndarray/base/serialize-meta-data' ) );
+
+/**
+* @name shape2strides
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/shape2strides}
+*/
+setReadOnly( ns, 'shape2strides', require( '@stdlib/ndarray/base/shape2strides' ) );
+
+/**
+* @name singletonDimensions
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/singleton-dimensions}
+*/
+setReadOnly( ns, 'singletonDimensions', require( '@stdlib/ndarray/base/singleton-dimensions' ) );
+
+/**
+* @name slice
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/slice}
+*/
+setReadOnly( ns, 'slice', require( '@stdlib/ndarray/base/slice' ) );
+
+/**
+* @name strides2offset
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/strides2offset}
+*/
+setReadOnly( ns, 'strides2offset', require( '@stdlib/ndarray/base/strides2offset' ) );
+
+/**
+* @name strides2order
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/strides2order}
+*/
+setReadOnly( ns, 'strides2order', require( '@stdlib/ndarray/base/strides2order' ) );
+
+/**
+* @name sub2ind
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/sub2ind}
+*/
+setReadOnly( ns, 'sub2ind', require( '@stdlib/ndarray/base/sub2ind' ) );
+
+/**
+* @name ndarray2array
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/to-array}
+*/
+setReadOnly( ns, 'ndarray2array', require( '@stdlib/ndarray/base/to-array' ) );
+
+/**
+* @name transpose
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/transpose}
+*/
+setReadOnly( ns, 'transpose', require( '@stdlib/ndarray/base/transpose' ) );
+
+/**
+* @name unary
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/unary}
+*/
+setReadOnly( ns, 'unary', require( '@stdlib/ndarray/base/unary' ) );
+
+/**
+* @name unaryBy
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/unary-by}
+*/
+setReadOnly( ns, 'unaryBy', require( '@stdlib/ndarray/base/unary-by' ) );
+
+/**
+* @name unaryLoopOrder
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/unary-loop-interchange-order}
+*/
+setReadOnly( ns, 'unaryLoopOrder', require( '@stdlib/ndarray/base/unary-loop-interchange-order' ) );
+
+/**
+* @name unaryOutputDataType
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/unary-output-dtype}
+*/
+setReadOnly( ns, 'unaryOutputDataType', require( '@stdlib/ndarray/base/unary-output-dtype' ) );
+
+/**
+* @name unaryBlockSize
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/unary-tiling-block-size}
+*/
+setReadOnly( ns, 'unaryBlockSize', require( '@stdlib/ndarray/base/unary-tiling-block-size' ) );
+
+/**
+* @name vind2bind
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/vind2bind}
+*/
+setReadOnly( ns, 'vind2bind', require( '@stdlib/ndarray/base/vind2bind' ) );
+
+/**
+* @name wrapIndex
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/wrap-index}
+*/
+setReadOnly( ns, 'wrapIndex', require( '@stdlib/ndarray/base/wrap-index' ) );
+
+/**
+* @name zeros
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/zeros}
+*/
+setReadOnly( ns, 'zeros', require( '@stdlib/ndarray/base/zeros' ) );
+
+/**
+* @name zerosLike
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/zeros-like}
+*/
+setReadOnly( ns, 'zerosLike', require( '@stdlib/ndarray/base/zeros-like' ) );
+
+
+// EXPORTS //
+
+module.exports = ns;
+ |
+ Press n or j to go to the next uncovered block, b, p or k for the previous block. +
+ +| 1 +2 +3 +4 +5 +6 +7 +8 +9 +10 +11 +12 +13 +14 +15 +16 +17 +18 +19 +20 +21 +22 +23 +24 +25 +26 +27 +28 +29 +30 +31 +32 +33 +34 +35 +36 +37 +38 +39 +40 +41 +42 +43 +44 +45 +46 +47 +48 +49 +50 +51 +52 +53 +54 +55 +56 +57 | 1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x + + + + + + + + + + + + +1x +1x +1x +1x +1x + | /**
+* @license Apache-2.0
+*
+* Copyright (c) 2023 The Stdlib Authors.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+'use strict';
+
+// MODULES //
+
+var buffer = require( '@stdlib/ndarray/base/buffer' );
+var zeros = require( '@stdlib/array/base/zeros' );
+var options = require( './options.js' );
+
+
+// MAIN //
+
+/**
+* Returns an empty n-dimensional ndarray.
+*
+* @private
+* @param {Function} ctor - ndarray constructor
+* @param {string} dtype - array data type
+* @param {NonNegativeIntegerArray} shape - array shape
+* @param {string} order - layout order
+* @returns {ndarray} empty ndarray
+*/
+function empty( ctor, dtype, shape, order ) {
+ var strides;
+ var ndims;
+
+ ndims = shape.length;
+ if ( ndims === 0 ) {
+ strides = [ 0 ];
+ } else {
+ strides = zeros( ndims );
+ }
+ return new ctor( dtype, buffer( dtype, 0 ), shape, strides, 0, order, options() ); // eslint-disable-line max-len
+}
+
+
+// EXPORTS //
+
+module.exports = empty;
+ |
+ Press n or j to go to the next uncovered block, b, p or k for the previous block. +
+ +| File | ++ | Statements | ++ | Branches | ++ | Functions | ++ | Lines | ++ |
|---|---|---|---|---|---|---|---|---|---|
| empty.js | +
+
+ |
+ 78.57% | +44/56 | +100% | +1/1 | +0% | +0/1 | +78.57% | +44/56 | +
| index.js | +
+
+ |
+ 100% | +67/67 | +100% | +1/1 | +100% | +0/0 | +100% | +67/67 | +
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+
+ |
+ 52.79% | +85/161 | +100% | +1/1 | +0% | +0/1 | +52.79% | +85/161 | +
| options.js | +
+
+ |
+ 84.61% | +33/39 | +100% | +1/1 | +0% | +0/1 | +84.61% | +33/39 | +
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+
+ |
+ 77.96% | +46/59 | +100% | +1/1 | +0% | +0/1 | +77.96% | +46/59 | +
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+
+ |
+ 76.66% | +46/60 | +100% | +1/1 | +0% | +0/1 | +76.66% | +46/60 | +
+ Press n or j to go to the next uncovered block, b, p or k for the previous block. +
+ +| 1 +2 +3 +4 +5 +6 +7 +8 +9 +10 +11 +12 +13 +14 +15 +16 +17 +18 +19 +20 +21 +22 +23 +24 +25 +26 +27 +28 +29 +30 +31 +32 +33 +34 +35 +36 +37 +38 +39 +40 +41 +42 +43 +44 +45 +46 +47 +48 +49 +50 +51 +52 +53 +54 +55 +56 +57 +58 +59 +60 +61 +62 +63 +64 +65 +66 +67 +68 | 1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x + | /** +* @license Apache-2.0 +* +* Copyright (c) 2023 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +/** +* Return a read-only view of an input ndarray. +* +* @module @stdlib/ndarray/base/slice +* +* @example +* var Slice = require( '@stdlib/slice/ctor' ); +* var MultiSlice = require( '@stdlib/slice/multi' ); +* var ndarray = require( '@stdlib/ndarray/ctor' ); +* var ndarray2array = require( '@stdlib/ndarray/to-array' ); +* var slice = require( '@stdlib/ndarray/base/slice' ); +* +* var buffer = [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0 ]; +* var shape = [ 3, 2 ]; +* var strides = [ 2, 1 ]; +* var offset = 0; +* +* var x = ndarray( 'generic', buffer, shape, strides, offset, 'row-major' ); +* // returns <ndarray> +* +* var sh = x.shape; +* // returns [ 3, 2 ] +* +* var arr = ndarray2array( x ); +* // returns [ [ 1.0, 2.0 ], [ 3.0, 4.0 ], [ 5.0, 6.0 ] ] +* +* var s = new MultiSlice( new Slice( null, null, -2 ), new Slice( null, null, -1 ) ); +* // returns <MultiSlice> +* +* var y = slice( x, s, false ); +* // returns <ndarray> +* +* sh = y.shape; +* // returns [ 2, 2 ] +* +* arr = ndarray2array( y ); +* // returns [ [ 6.0, 5.0 ], [ 2.0, 1.0 ] ] +*/ + +// MODULES // + +var main = require( './main.js' ); + + +// EXPORTS // + +module.exports = main; + |
+ Press n or j to go to the next uncovered block, b, p or k for the previous block. +
+ +| 1 +2 +3 +4 +5 +6 +7 +8 +9 +10 +11 +12 +13 +14 +15 +16 +17 +18 +19 +20 +21 +22 +23 +24 +25 +26 +27 +28 +29 +30 +31 +32 +33 +34 +35 +36 +37 +38 +39 +40 +41 +42 +43 +44 +45 +46 +47 +48 +49 +50 +51 +52 +53 +54 +55 +56 +57 +58 +59 +60 +61 +62 +63 +64 +65 +66 +67 +68 +69 +70 +71 +72 +73 +74 +75 +76 +77 +78 +79 +80 +81 +82 +83 +84 +85 +86 +87 +88 +89 +90 +91 +92 +93 +94 +95 +96 +97 +98 +99 +100 +101 +102 +103 +104 +105 +106 +107 +108 +109 +110 +111 +112 +113 +114 +115 +116 +117 +118 +119 +120 +121 +122 +123 +124 +125 +126 +127 +128 +129 +130 +131 +132 +133 +134 +135 +136 +137 +138 +139 +140 +141 +142 +143 +144 +145 +146 +147 +148 +149 +150 +151 +152 +153 +154 +155 +156 +157 +158 +159 +160 +161 +162 | 1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +1x +1x +1x +1x +1x + | /**
+* @license Apache-2.0
+*
+* Copyright (c) 2023 The Stdlib Authors.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+'use strict';
+
+// MODULES //
+
+var normalizeMultiSlice = require( '@stdlib/slice/base/normalize-multi-slice' );
+var nonreducedDimensions = require( '@stdlib/slice/base/nonreduced-dimensions' );
+var sliceShape = require( '@stdlib/slice/base/shape' );
+var take = require( '@stdlib/array/base/take' );
+var zeros = require( '@stdlib/array/base/zeros' );
+var vind2bind = require( '@stdlib/ndarray/base/vind2bind' );
+var numel = require( '@stdlib/ndarray/base/numel' );
+var format = require( '@stdlib/string/format' );
+var sliceStart = require( './slice_start.js' );
+var slice2strides = require( './slice_strides.js' );
+var options = require( './options.js' );
+var empty = require( './empty.js' );
+
+
+// MAIN //
+
+/**
+* Returns a read-only view of an input ndarray.
+*
+* @param {ndarray} x - input array
+* @param {MultiSlice} s - multi-slice object
+* @param {boolean} strict - boolean indicating whether to enforce strict bounds checking
+* @throws {RangeError} number of slice dimensions must match the number of array dimensions
+* @throws {RangeError} slice exceeds array bounds
+* @returns {ndarray} ndarray view
+*
+* @example
+* var Slice = require( '@stdlib/slice/ctor' );
+* var MultiSlice = require( '@stdlib/slice/multi' );
+* var ndarray = require( '@stdlib/ndarray/ctor' );
+* var ndarray2array = require( '@stdlib/ndarray/to-array' );
+*
+* var buffer = [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0 ];
+* var shape = [ 3, 2 ];
+* var strides = [ 2, 1 ];
+* var offset = 0;
+*
+* var x = ndarray( 'generic', buffer, shape, strides, offset, 'row-major' );
+* // returns <ndarray>
+*
+* var sh = x.shape;
+* // returns [ 3, 2 ]
+*
+* var arr = ndarray2array( x );
+* // returns [ [ 1.0, 2.0 ], [ 3.0, 4.0 ], [ 5.0, 6.0 ] ]
+*
+* var s = new MultiSlice( new Slice( null, null, -2 ), new Slice( null, null, -1 ) );
+* // returns <MultiSlice>
+*
+* var y = slice( x, s, false );
+* // returns <ndarray>
+*
+* sh = y.shape;
+* // returns [ 2, 2 ]
+*
+* arr = ndarray2array( y );
+* // returns [ [ 6.0, 5.0 ], [ 2.0, 1.0 ] ]
+*/
+function slice( x, s, strict ) {
+ var strides;
+ var offset;
+ var dtype;
+ var shape;
+ var order;
+ var sdims;
+ var ndims;
+ var ctor;
+ var sh;
+ var ns;
+
+ // Retrieve array meta data:
+ dtype = x.dtype;
+ shape = x.shape;
+ strides = x.strides;
+ offset = x.offset;
+ order = x.order;
+ ndims = shape.length;
+
+ // Ensure that the number of array dimensions matches the number of slices:
+ if ( s.ndims !== ndims ) {
+ throw new RangeError( format( 'invalid argument. Number of slice dimensions does not match the number of array dimensions. Array shape: (%s). Slice dimensions: %u.', shape.join( ',' ), s.ndims ) );
+ }
+ // Resolve the output array constructor:
+ ctor = x.constructor;
+
+ // If provided a zero-dimensional input array, return a zero-dimensional array view...
+ if ( ndims === 0 ) {
+ return new ctor( dtype, x.data, shape, strides, offset, order, options() ); // eslint-disable-line max-len
+ }
+ // Resolve the indices of the non-reduced dimensions:
+ sdims = nonreducedDimensions( s );
+
+ // Normalize the slice object based on the array shape:
+ ns = normalizeMultiSlice( s, shape, true );
+
+ // Check whether the slice exceeds array bounds...
+ if ( ns.code ) {
+ if ( strict ) {
+ throw new RangeError( format( 'invalid argument. Slice exceeds array bounds. Array shape: (%s).', shape.join( ',' ) ) );
+ }
+ // Normalize again, this time allowing for out-of-bounds indices:
+ ns = normalizeMultiSlice( s, shape, false );
+
+ // Compute the slice shape:
+ sh = sliceShape( ns );
+
+ // If the non-reduced dimensions contain elements, this means that at least one reduced dimension exceeded array bounds; in which case, we generate a shape containing zeros:
+ if ( numel( take( sh, sdims ) ) > 0 ) {
+ sh = zeros( sh.length );
+ }
+ } else {
+ // Compute the slice shape:
+ sh = sliceShape( ns );
+ }
+ // If the slice does not contain any elements, return an empty array...
+ if ( numel( sh ) === 0 ) {
+ return empty( ctor, dtype, take( sh, sdims ), order );
+ }
+ // Resolve the index offset of the first element indexed by the slice:
+ offset = vind2bind( shape, strides, offset, order, sliceStart( ns, shape, strides, 0 ), 'throw' ); // TODO: @stdlib/ndarray/base/sind2bind
+
+ // Remove reduced dimensions from the slice shape:
+ sh = take( sh, sdims );
+
+ // If all dimensions were reduced, return a zero-dimensional array...
+ if ( sh.length === 0 ) {
+ return new ctor( dtype, x.data, [], [ 0 ], offset, order, options() );
+ }
+ // Update strides according to slice steps:
+ strides = slice2strides( ns, strides, sdims ); // TODO: @stdlib/ndarray/base/slice2strides???
+
+ // Return a slice view:
+ return new ctor( dtype, x.data, sh, strides, offset, order, options() );
+}
+
+
+// EXPORTS //
+
+module.exports = slice;
+ |
+ Press n or j to go to the next uncovered block, b, p or k for the previous block. +
+ +| 1 +2 +3 +4 +5 +6 +7 +8 +9 +10 +11 +12 +13 +14 +15 +16 +17 +18 +19 +20 +21 +22 +23 +24 +25 +26 +27 +28 +29 +30 +31 +32 +33 +34 +35 +36 +37 +38 +39 +40 | 1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x + + + + + + +1x +1x +1x +1x +1x + | /**
+* @license Apache-2.0
+*
+* Copyright (c) 2023 The Stdlib Authors.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+'use strict';
+
+// MAIN //
+
+/**
+* Returns array creation options.
+*
+* @private
+* @returns {Object} options
+*/
+function options() {
+ return {
+ // Default to always returning read-only arrays:
+ 'readonly': true
+ };
+}
+
+
+// EXPORTS //
+
+module.exports = options;
+ |
+ Press n or j to go to the next uncovered block, b, p or k for the previous block. +
+ +| 1 +2 +3 +4 +5 +6 +7 +8 +9 +10 +11 +12 +13 +14 +15 +16 +17 +18 +19 +20 +21 +22 +23 +24 +25 +26 +27 +28 +29 +30 +31 +32 +33 +34 +35 +36 +37 +38 +39 +40 +41 +42 +43 +44 +45 +46 +47 +48 +49 +50 +51 +52 +53 +54 +55 +56 +57 +58 +59 +60 | 1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x + + + + + + + + + + + + + +1x +1x +1x +1x +1x + | /**
+* @license Apache-2.0
+*
+* Copyright (c) 2023 The Stdlib Authors.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+'use strict';
+
+// MODULES //
+
+var sub2ind = require( '@stdlib/ndarray/base/sub2ind' );
+
+
+// MAIN //
+
+/**
+* Resolves the linear index of the first element indexed by a normalized multi-slice.
+*
+* ## Notes
+*
+* - If `strides` contains negative strides, if an `offset` is greater than `0`, the function returns a linear index with respect to the underlying data buffer. If an `offset` is equal to `0`, the function returns a linear index with respect to the array view. For more information, see `@stdlib/ndarray/base/sub2ind`.
+*
+* @private
+* @param {MultiSlice} slice - normalized multi-slice object
+* @param {NonNegativeIntegerArray} shape - array shape
+* @param {IntegerArray} strides - array strides
+* @param {NonNegativeInteger} offset - index offset
+* @returns {NonNegativeInteger} linear index of the first element
+*/
+function sliceStart( slice, shape, strides, offset ) {
+ var data;
+ var args;
+ var i;
+
+ data = slice.data;
+ args = [ shape, strides, offset ];
+ for ( i = 0; i < data.length; i++ ) {
+ args.push( data[ i ].start );
+ }
+ args.push( 'throw' );
+ return sub2ind.apply( null, args );
+}
+
+
+// EXPORTS //
+
+module.exports = sliceStart;
+ |
+ Press n or j to go to the next uncovered block, b, p or k for the previous block. +
+ +| 1 +2 +3 +4 +5 +6 +7 +8 +9 +10 +11 +12 +13 +14 +15 +16 +17 +18 +19 +20 +21 +22 +23 +24 +25 +26 +27 +28 +29 +30 +31 +32 +33 +34 +35 +36 +37 +38 +39 +40 +41 +42 +43 +44 +45 +46 +47 +48 +49 +50 +51 +52 +53 +54 +55 +56 +57 +58 +59 +60 +61 | 1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x + + + + + + + + + + + + + + +1x +1x +1x +1x +1x + | /**
+* @license Apache-2.0
+*
+* Copyright (c) 2023 The Stdlib Authors.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+'use strict';
+
+// MAIN //
+
+/**
+* Resolves slice strides for a provided normalized multi-slice object.
+*
+* @private
+* @param {MultiSlice} slice - normalized multi-slice object
+* @param {IntegerArray} strides - array strides
+* @param {NonNegativeIntegerArray} rdims - indices of non-reduced dimensions
+* @returns {IntegerArray} slice strides
+*
+* @example
+* var Slice = require( '@stdlib/slice/ctor' );
+* var MultiSlice = require( '@stdlib/slice/multi' );
+*
+* var s = new MultiSlice( new Slice( 2, 3, 1 ), new Slice( 10, null, -2 ) );
+* // returns <MultiSlice>
+*
+* var strides = slice2strides( s, [ 8, 2 ], [ 1 ] );
+* // returns [ -4 ]
+*/
+function slice2strides( slice, strides, rdims ) {
+ var data;
+ var out;
+ var i;
+ var j;
+
+ data = slice.data;
+ out = [];
+ for ( i = 0; i < rdims.length; i++ ) {
+ j = rdims[ i ];
+ out.push( strides[j] * data[j].step );
+ }
+ return out;
+}
+
+
+// EXPORTS //
+
+module.exports = slice2strides;
+ |
+ Press n or j to go to the next uncovered block, b, p or k for the previous block. +
+ +| 1 +2 +3 +4 +5 +6 +7 +8 +9 +10 +11 +12 +13 +14 +15 +16 +17 +18 +19 +20 +21 +22 +23 +24 +25 +26 +27 +28 +29 +30 +31 +32 +33 +34 +35 +36 +37 +38 +39 +40 +41 +42 +43 +44 +45 +46 +47 +48 +49 +50 +51 +52 +53 +54 | 2x +2x +2x +2x +2x +2x +2x +2x +2x +2x +2x +2x +2x +2x +2x +2x +2x +2x +2x +2x +2x +2x +2x +2x +2x +2x +2x +2x +2x +2x +2x +2x +2x +2x +2x +2x + + + + + + + + + + + + +2x +2x +2x +2x +2x + | /**
+* @license Apache-2.0
+*
+* Copyright (c) 2023 The Stdlib Authors.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+'use strict';
+
+// MODULES //
+
+var isRangeError = require( '@stdlib/assert/is-range-error' );
+var isTypeError = require( '@stdlib/assert/is-type-error' );
+var isSyntaxError = require( '@stdlib/assert/is-syntax-error' );
+
+
+// MAIN //
+
+/**
+* Returns the error constructor for a provided error object.
+*
+* @private
+* @param {Error} err - error object
+* @returns {Function} error constructor
+*/
+function errConstructor( err ) {
+ if ( isRangeError( err ) ) {
+ return RangeError;
+ }
+ if ( isTypeError( err ) ) {
+ return TypeError;
+ }
+ if ( isSyntaxError( err ) ) {
+ return SyntaxError;
+ }
+ return Error;
+}
+
+
+// EXPORTS //
+
+module.exports = errConstructor;
+ |
+ Press n or j to go to the next uncovered block, b, p or k for the previous block. +
+ +| 1 +2 +3 +4 +5 +6 +7 +8 +9 +10 +11 +12 +13 +14 +15 +16 +17 +18 +19 +20 +21 +22 +23 +24 +25 +26 +27 +28 +29 +30 +31 +32 +33 +34 +35 +36 +37 +38 +39 +40 +41 +42 +43 | 2x +2x +2x +2x +2x +2x +2x +2x +2x +2x +2x +2x +2x +2x +2x +2x +2x +2x +2x +2x +2x +2x +2x +2x +2x +2x +2x +2x +2x +2x +2x +2x +2x +2x + + + +2x +2x +2x +2x +2x + | /**
+* @license Apache-2.0
+*
+* Copyright (c) 2023 The Stdlib Authors.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+'use strict';
+
+// MODULES //
+
+var replace = require( '@stdlib/string/base/replace' );
+
+
+// MAIN //
+
+/**
+* Returns an updated error message for trapped errors.
+*
+* @private
+* @param {string} msg - error message
+* @returns {string} updated message
+*/
+function errMessage( msg ) {
+ return replace( msg, /^invalid argument/, 'invalid operation' );
+}
+
+
+// EXPORTS //
+
+module.exports = errMessage;
+ |