time-to-botec

README.md (5744B)

---

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 # Filled Array
 
 > Create a filled array.
 
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 <section class="intro">
 
 </section>
 
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 <section class="usage">
 
 ## Usage
 
 ```javascript
 var filledarray = require( '@stdlib/array/filled' );
 ```
 
 #### filledarray( \[dtype] )
 
 Creates a filled array having a specified data type `dtype`.
 
 ```javascript
 var arr = filledarray();
 // returns <Float64Array>
 ```
 
 The function recognizes the following data types:
 
 -   `float64`: double-precision floating-point numbers (IEEE 754)
 -   `float32`: single-precision floating-point numbers (IEEE 754)
 -   `int32`: 32-bit two's complement signed integers
 -   `uint32`: 32-bit unsigned integers
 -   `int16`: 16-bit two's complement signed integers
 -   `uint16`: 16-bit unsigned integers
 -   `int8`: 8-bit two's complement signed integers
 -   `uint8`: 8-bit unsigned integers
 -   `uint8c`: 8-bit unsigned integers clamped to `0-255`
 -   `generic`: generic JavaScript values
 
 By default, the output array data type is `float64` (i.e., a [typed array][mdn-typed-array]). To specify an alternative data type, provide a `dtype` argument.
 
 ```javascript
 var arr = filledarray( 'int32' );
 // returns <Int32Array>
 ```
 
 #### filledarray( value, length\[, dtype] )
 
 Returns a filled array having a specified `length`.
 
 ```javascript
 var arr1 = filledarray( 1.0, 5 );
 // returns <Float64Array>[ 1.0, 1.0, 1.0, 1.0, 1.0 ]
 
 var arr2 = filledarray( 1, 5, 'uint8' );
 // returns <Uint8Array>[ 1, 1, 1, 1, 1 ]
 ```
 
 #### filledarray( value, array\[, dtype] )
 
 Creates a filled array from another array (or array-like object).
 
 ```javascript
 var arr0 = {
     '0': 0.5,
     '1': 0.5,
     '2': 0.5,
     'length': 3
 };
 
 var arr1 = filledarray( 1.0, arr0 );
 // returns <Float64Array>[ 1.0, 1.0, 1.0 ]
 
 var arr2 = filledarray( 2.0, arr1 );
 // returns <Float64Array>[ 2.0, 2.0, 2.0 ]
 
 var arr3 = filledarray( 3, arr1, 'int32' );
 // returns <Int32Array>[ 3, 3, 3 ]
 ```
 
 #### filledarray( value, iterable\[, dtype] )
 
 Creates a filled array from an iterable.
 
 ```javascript
 var iterConstant = require( '@stdlib/iter/constant' );
 
 var it = iterConstant( 3.0, {
     'iter': 3
 });
 var arr1 = filledarray( 1.0, it );
 // returns <Float64Array>[ 1.0, 1.0, 1.0 ]
 
 var arr2 = filledarray( 1.0, it, 'float32' );
 // returns <Float32Array>[ 1.0, 1.0, 1.0 ]
 ```
 
 #### filledarray( value, buffer\[, byteOffset\[, length]]\[, dtype] )
 
 Returns a filled [typed array][mdn-typed-array] view of an [`ArrayBuffer`][mdn-arraybuffer].
 
 ```javascript
 var ArrayBuffer = require( '@stdlib/array/buffer' );
 
 var buf = new ArrayBuffer( 32 );
 var arr = filledarray( 1.0, buf );
 // returns <Float64Array>[ 1.0, 1.0, 1.0, 1.0 ]
 
 buf = new ArrayBuffer( 32 );
 arr = filledarray( 1.0, buf, 'float32' );
 // returns <Float32Array>[ 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0 ]
 
 buf = new ArrayBuffer( 32 );
 arr = filledarray( 1.0, buf, 16 );
 // returns <Float64Array>[ 1.0, 1.0 ]
 
 buf = new ArrayBuffer( 32 );
 arr = filledarray( 1.0, buf, 16, 'float32' );
 // returns <Float32Array>[ 1.0, 1.0, 1.0, 1.0 ]
 
 buf = new ArrayBuffer( 32 );
 arr = filledarray( 1.0, buf, 16, 1 );
 // returns <Float64Array>[ 1.0 ]
 
 buf = new ArrayBuffer( 32 );
 arr = filledarray( 1, buf, 10, 4, 'int16' );
 // returns <Int16Array>[ 1, 1, 1, 1 ]
 ```
 
 </section>
 
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 <section class="notes">
 
 ## Notes
 
 -   Creating a generic [array][mdn-array] from an [`ArrayBuffer`][mdn-arraybuffer] is **not** supported.
 
 </section>
 
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 ## Examples
 
 <!-- eslint no-undef: "error" -->
 
 ```javascript
 var discreteUniform = require( '@stdlib/random/base/discrete-uniform' );
 var dtypes = require( '@stdlib/array/dtypes' );
 var filledarray = require( '@stdlib/array/filled' );
 
 // Generate a random number:
 var r = discreteUniform( 0, 100 );
 
 // Get the list of supported array data types:
 var dt = dtypes();
 
 // Generate filled arrays...
 var arr;
 var i;
 for ( i = 0; i < dt.length; i++ ) {
     arr = filledarray( r, 10, dt[ i ] );
     console.log( arr );
 }
 ```
 
 </section>
 
 <!-- /.examples -->
 
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 <section class="links">
 
 [mdn-array]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array
 
 [mdn-typed-array]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray
 
 [mdn-arraybuffer]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer
 
 </section>
 
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