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@stdlib/assert

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Standard assertion utilities.

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<!-- @license Apache-2.0 Copyright (c) 2020 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. --> # isFloat64VectorLike > Test if a value is a 1-dimensional [ndarray][@stdlib/ndarray/ctor]-like object containing double-precision floating-point numbers. <section class="usage"> ## Usage ```javascript var isFloat64VectorLike = require( '@stdlib/assert/is-float64vector-like' ); ``` #### isFloat64VectorLike( value ) Tests if a value is a 1-dimensional [ndarray][@stdlib/ndarray/ctor]-like object whose underlying data type is `float64`. ```javascript var Float64Array = require( '@stdlib/array/float64' ); var ndarray = require( '@stdlib/ndarray/ctor' ); var arr = ndarray( 'float64', new Float64Array( [ 0, 0, 0, 0 ] ), [ 4 ], [ 1 ], 0, 'row-major' ); var bool = isFloat64VectorLike( arr ); // returns true ``` </section> <!-- /.usage --> <section class="examples"> ## Examples <!-- eslint no-undef: "error" --> ```javascript var ndarray = require( '@stdlib/ndarray/ctor' ); var Float64Array = require( '@stdlib/array/float64' ); var isFloat64VectorLike = require( '@stdlib/assert/is-float64vector-like' ); var buffer = new Float64Array( [ 0, 0, 0, 0 ] ); var arr = ndarray( 'float64', buffer, [ 4 ], [ 1 ], 0, 'row-major' ); var out = isFloat64VectorLike( arr ); // returns true out = isFloat64VectorLike( [ 1, 2, 3, 4 ] ); // returns false out = isFloat64VectorLike( {} ); // returns false out = isFloat64VectorLike( null ); // returns false ``` </section> <!-- /.examples --> <!-- Section for related `stdlib` packages. Do not manually edit this section, as it is automatically populated. --> <section class="related"> * * * ## See Also - <span class="package-name">[`@stdlib/assert/is-float32vector-like`][@stdlib/assert/is-float32vector-like]</span><span class="delimiter">: </span><span class="description">test if a value is a 1-dimensional ndarray-like object containing single-precision floating-point numbers.</span> - <span class="package-name">[`@stdlib/assert/is-ndarray-like`][@stdlib/assert/is-ndarray-like]</span><span class="delimiter">: </span><span class="description">test if a value is ndarray-like.</span> - <span class="package-name">[`@stdlib/assert/is-vector-like`][@stdlib/assert/is-vector-like]</span><span class="delimiter">: </span><span class="description">test if a value is a 1-dimensional ndarray-like object.</span> </section> <!-- /.related --> <!-- Section for all links. Make sure to keep an empty line after the `section` element and another before the `/section` close. --> <section class="links"> [@stdlib/ndarray/ctor]: https://www.npmjs.com/package/@stdlib/ndarray-ctor <!-- <related-links> --> [@stdlib/assert/is-float32vector-like]: https://github.com/stdlib-js/assert/tree/main/is-float32vector-like [@stdlib/assert/is-ndarray-like]: https://github.com/stdlib-js/assert/tree/main/is-ndarray-like [@stdlib/assert/is-vector-like]: https://github.com/stdlib-js/assert/tree/main/is-vector-like <!-- </related-links> --> </section> <!-- /.links -->