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stdlib-bot committed Dec 2, 2023
1 parent 8d4cecb commit f301a55
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Showing 27 changed files with 281 additions and 377 deletions.
2 changes: 1 addition & 1 deletion base/dasum/src/addon.c
Original file line number Diff line number Diff line change
Expand Up @@ -39,7 +39,7 @@ static napi_value addon( napi_env env, napi_callback_info info ) {
STDLIB_NAPI_ARGV_STRIDED_FLOAT64ARRAY( env, X, N, strideX, argv, 1 );

napi_value v;
napi_status status = napi_create_double( env, c_dasum( N, (double *)X, strideX ), &v );
napi_status status = napi_create_double( env, c_dasum( N, X, strideX ), &v );
assert( status == napi_ok );

return v;
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2 changes: 1 addition & 1 deletion base/dcopy/src/addon.c
Original file line number Diff line number Diff line change
Expand Up @@ -38,7 +38,7 @@ static napi_value addon( napi_env env, napi_callback_info info ) {
STDLIB_NAPI_ARGV_INT64( env, strideY, argv, 4 );
STDLIB_NAPI_ARGV_STRIDED_FLOAT64ARRAY( env, X, N, strideX, argv, 1 );
STDLIB_NAPI_ARGV_STRIDED_FLOAT64ARRAY( env, Y, N, strideY, argv, 3 );
c_dcopy( N, (double *)X, strideX, (double *)Y, strideY );
c_dcopy( N, X, strideX, Y, strideY );
return NULL;
}

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2 changes: 1 addition & 1 deletion base/ddot/src/addon.c
Original file line number Diff line number Diff line change
Expand Up @@ -41,7 +41,7 @@ static napi_value addon( napi_env env, napi_callback_info info ) {
STDLIB_NAPI_ARGV_STRIDED_FLOAT64ARRAY( env, Y, N, strideY, argv, 3 );

napi_value v;
napi_status status = napi_create_double( env, c_ddot( N, (double *)X, strideX, (double *)Y, strideY ), &v );
napi_status status = napi_create_double( env, c_ddot( N, X, strideX, Y, strideY ), &v );
assert( status == napi_ok );

return v;
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7 changes: 1 addition & 6 deletions base/dnrm2/manifest.json
Original file line number Diff line number Diff line change
Expand Up @@ -162,12 +162,7 @@
"-m"
],
"libpath": [],
"dependencies": [
"@stdlib/napi/export",
"@stdlib/napi/argv",
"@stdlib/napi/argv-int64",
"@stdlib/napi/argv-strided-float64array"
]
"dependencies": []
}
]
}
2 changes: 1 addition & 1 deletion base/dnrm2/src/addon.c
Original file line number Diff line number Diff line change
Expand Up @@ -39,7 +39,7 @@ static napi_value addon( napi_env env, napi_callback_info info ) {
STDLIB_NAPI_ARGV_STRIDED_FLOAT64ARRAY( env, X, N, strideX, argv, 1 );

napi_value v;
napi_status status = napi_create_double( env, c_dnrm2( N, (double *)X, strideX ), &v );
napi_status status = napi_create_double( env, c_dnrm2( N, X, strideX ), &v );
assert( status == napi_ok );

return v;
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31 changes: 5 additions & 26 deletions base/dscal/README.md
Original file line number Diff line number Diff line change
Expand Up @@ -54,31 +54,26 @@ The `N` and `stride` parameters determine which elements in `x` are accessed at

```javascript
var Float64Array = require( '@stdlib/array/float64' );
var floor = require( '@stdlib/math/base/special/floor' );

var x = new Float64Array( [ -2.0, 1.0, 3.0, -5.0, 4.0, 0.0, -1.0, -3.0 ] );

var N = floor( x.length / 2 );

dscal( N, 5.0, x, 2 );
dscal( 4, 5.0, x, 2 );
// x => <Float64Array>[ -10.0, 1.0, 15.0, -5.0, 20.0, 0.0, -5.0, -3.0 ]
```

Note that indexing is relative to the first index. To introduce an offset, use [`typed array`][mdn-typed-array] views.

```javascript
var Float64Array = require( '@stdlib/array/float64' );
var floor = require( '@stdlib/math/base/special/floor' );

// Initial array...
var x0 = new Float64Array( [ 1.0, -2.0, 3.0, -4.0, 5.0, -6.0 ] );

// Create an offset view...
var x1 = new Float64Array( x0.buffer, x0.BYTES_PER_ELEMENT*1 ); // start at 2nd element
var N = 3;

// Scale every other value...
dscal( N, 5.0, x1, 2 );
dscal( 3, 5.0, x1, 2 );
// x0 => <Float64Array>[ 1.0, -10.0, 3.0, -20.0, 5.0, -30.0 ]
```

Expand Down Expand Up @@ -134,27 +129,11 @@ dscal.ndarray( 3, 5.0, x, 1, x.length-3 );
<!-- eslint no-undef: "error" -->

```javascript
var round = require( '@stdlib/math/base/special/round' );
var randu = require( '@stdlib/random/base/randu' );
var Float64Array = require( '@stdlib/array/float64' );
var discreteUniform = require( '@stdlib/random/base/discrete-uniform' ).factory;
var filledarrayBy = require( '@stdlib/array/filled-by' );
var dscal = require( '@stdlib/blas/base/dscal' );

var rand;
var sign;
var x;
var i;

x = new Float64Array( 10 );
for ( i = 0; i < x.length; i++ ) {
rand = round( randu()*100.0 );
sign = randu();
if ( sign < 0.5 ) {
sign = -1.0;
} else {
sign = 1.0;
}
x[ i ] = sign * rand;
}
var x = filledarrayBy( 10, 'float64', discreteUniform( -100, 100 ) );
console.log( x );

dscal( x.length, 5.0, x, 1 );
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17 changes: 8 additions & 9 deletions base/dscal/benchmark/benchmark.js
Original file line number Diff line number Diff line change
Expand Up @@ -21,14 +21,19 @@
// MODULES //

var bench = require( '@stdlib/bench' );
var randu = require( '@stdlib/random/base/randu' );
var uniform = require( '@stdlib/random/base/uniform' ).factory;
var filledarrayBy = require( '@stdlib/array/filled-by' );
var isnan = require( '@stdlib/math/base/assert/is-nan' );
var pow = require( '@stdlib/math/base/special/pow' );
var Float64Array = require( '@stdlib/array/float64' );
var pkg = require( './../package.json' ).name;
var dscal = require( './../lib/dscal.js' );


// VARIABLES //

var rand = uniform( -100.0, 100.0 );


// FUNCTIONS //

/**
Expand All @@ -39,13 +44,7 @@ var dscal = require( './../lib/dscal.js' );
* @returns {Function} benchmark function
*/
function createBenchmark( len ) {
var x;
var i;

x = new Float64Array( len );
for ( i = 0; i < len; i++ ) {
x[ i ] = ( randu()*20.0 ) - 10.0;
}
var x = filledarrayBy( len, 'float64', rand );
return benchmark;

function benchmark( b ) {
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13 changes: 4 additions & 9 deletions base/dscal/benchmark/benchmark.native.js
Original file line number Diff line number Diff line change
Expand Up @@ -22,10 +22,10 @@

var resolve = require( 'path' ).resolve;
var bench = require( '@stdlib/bench' );
var randu = require( '@stdlib/random/base/randu' );
var uniform = require( '@stdlib/random/base/uniform' ).factory;
var filledarrayBy = require( '@stdlib/array/filled-by' );
var isnan = require( '@stdlib/math/base/assert/is-nan' );
var pow = require( '@stdlib/math/base/special/pow' );
var Float64Array = require( '@stdlib/array/float64' );
var tryRequire = require( '@stdlib/utils/try-require' );
var pkg = require( './../package.json' ).name;

Expand All @@ -36,6 +36,7 @@ var dscal = tryRequire( resolve( __dirname, './../lib/dscal.native.js' ) );
var opts = {
'skip': ( dscal instanceof Error )
};
var rand = uniform( -100.0, 100.0 );


// FUNCTIONS //
Expand All @@ -48,13 +49,7 @@ var opts = {
* @returns {Function} benchmark function
*/
function createBenchmark( len ) {
var x;
var i;

x = new Float64Array( len );
for ( i = 0; i < len; i++ ) {
x[ i ] = ( randu()*10.0 ) - 20.0;
}
var x = filledarrayBy( len, 'float64', rand );
return benchmark;

function benchmark( b ) {
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17 changes: 8 additions & 9 deletions base/dscal/benchmark/benchmark.ndarray.js
Original file line number Diff line number Diff line change
Expand Up @@ -21,14 +21,19 @@
// MODULES //

var bench = require( '@stdlib/bench' );
var randu = require( '@stdlib/random/base/randu' );
var uniform = require( '@stdlib/random/base/uniform' ).factory;
var filledarrayBy = require( '@stdlib/array/filled-by' );
var isnan = require( '@stdlib/math/base/assert/is-nan' );
var pow = require( '@stdlib/math/base/special/pow' );
var Float64Array = require( '@stdlib/array/float64' );
var pkg = require( './../package.json' ).name;
var dscal = require( './../lib/ndarray.js' );


// VARIABLES //

var rand = uniform( -100.0, 100.0 );


// FUNCTIONS //

/**
Expand All @@ -39,13 +44,7 @@ var dscal = require( './../lib/ndarray.js' );
* @returns {Function} benchmark function
*/
function createBenchmark( len ) {
var x;
var i;

x = new Float64Array( len );
for ( i = 0; i < len; i++ ) {
x[ i ] = ( randu()*20.0 ) - 10.0;
}
var x = filledarrayBy( len, 'float64', rand );
return benchmark;

function benchmark( b ) {
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13 changes: 4 additions & 9 deletions base/dscal/benchmark/benchmark.ndarray.native.js
Original file line number Diff line number Diff line change
Expand Up @@ -22,10 +22,10 @@

var resolve = require( 'path' ).resolve;
var bench = require( '@stdlib/bench' );
var randu = require( '@stdlib/random/base/randu' );
var uniform = require( '@stdlib/random/base/uniform' ).factory;
var filledarrayBy = require( '@stdlib/array/filled-by' );
var isnan = require( '@stdlib/math/base/assert/is-nan' );
var pow = require( '@stdlib/math/base/special/pow' );
var Float64Array = require( '@stdlib/array/float64' );
var tryRequire = require( '@stdlib/utils/try-require' );
var pkg = require( './../package.json' ).name;

Expand All @@ -36,6 +36,7 @@ var dscal = tryRequire( resolve( __dirname, './../lib/ndarray.native.js' ) );
var opts = {
'skip': ( dscal instanceof Error )
};
var rand = uniform( -100.0, 100.0 );


// FUNCTIONS //
Expand All @@ -48,13 +49,7 @@ var opts = {
* @returns {Function} benchmark function
*/
function createBenchmark( len ) {
var x;
var i;

x = new Float64Array( len );
for ( i = 0; i < len; i++ ) {
x[ i ] = ( randu()*20.0 ) - 10.0;
}
var x = filledarrayBy( len, 'float64', rand );
return benchmark;

function benchmark( b ) {
Expand Down
22 changes: 6 additions & 16 deletions base/dscal/docs/repl.txt
Original file line number Diff line number Diff line change
Expand Up @@ -34,29 +34,23 @@
--------
// Standard Usage:
> var x = new {{alias:@stdlib/array/float64}}( [ -2.0, 1.0, 3.0, -5.0, 4.0, -1.0, -3.0 ] );
> var alpha = 5.0;
> {{alias}}( x.length, alpha, x, 1 )
> {{alias}}( x.length, 5.0, x, 1 )
<Float64Array>[ -10.0, 5.0, 15.0, -25.0, 20.0, -5.0, -15.0 ]

// Using `N` and `stride` parameters:
> x = new {{alias:@stdlib/array/float64}}( [ -2.0, 1.0, 3.0, -5.0, 4.0, -1.0, -3.0 ] );
> var N = {{alias:@stdlib/math/base/special/floor}}( x.length / 2 );
> alpha = 5.0;
> var stride = 2;
> {{alias}}( N, alpha, x, stride )
> {{alias}}( 3, 5.0, x, 2 )
<Float64Array>[ -10.0, 1.0, 15.0, -5.0, 20.0, -1.0, -3.0 ]

// Using view offsets:
> var x0 = new {{alias:@stdlib/array/float64}}( [ 1.0, -2.0, 3.0, -4.0, 5.0, -6.0 ] );
> var x1 = new {{alias:@stdlib/array/float64}}( x0.buffer, x0.BYTES_PER_ELEMENT*1 );
> N = {{alias:@stdlib/math/base/special/floor}}( x0.length / 2 );
> alpha = 5.0;
> stride = 2;
> {{alias}}( N, alpha, x1, stride )
> {{alias}}( 3, 5.0, x1, 2 )
<Float64Array>[ -10.0, 3.0, -20.0, 5.0, -30.0 ]
> x0
<Float64Array>[ 1.0, -10.0, 3.0, -20.0, 5.0, -30.0 ]


{{alias}}.ndarray( N, alpha, x, stride, offset )
Multiplies a double-precision floating-point vector `x` by a constant
`alpha` using alternative indexing semantics.
Expand Down Expand Up @@ -91,16 +85,12 @@
--------
// Standard Usage:
> var x = new {{alias:@stdlib/array/float64}}( [ -2.0, 1.0, 3.0, -5.0, 4.0, -1.0, -3.0 ] );
> var alpha = 5.0;
> {{alias}}.ndarray( x.length, alpha, x, 1, 0 )
> {{alias}}.ndarray( x.length, 5.0, x, 1, 0 )
<Float64Array>[ -10.0, 5.0, 15.0, -25.0, 20.0, -5.0, -15.0 ]

// Using an index offset:
> x = new {{alias:@stdlib/array/float64}}( [ 1.0, -2.0, 3.0, -4.0, 5.0, -6.0 ] );
> var N = {{alias:@stdlib/math/base/special/floor}}( x.length / 2 );
> alpha = 5.0;
> var stride = 2;
> {{alias}}.ndarray( N, alpha, x, stride, 1 )
> {{alias}}.ndarray( 3, 5.0, x, 2, 1 )
<Float64Array>[ 1.0, -10.0, 3.0, -20.0, 5.0, -30.0 ]

See Also
Expand Down
6 changes: 3 additions & 3 deletions base/dscal/docs/types/index.d.ts
Original file line number Diff line number Diff line change
Expand Up @@ -29,7 +29,7 @@ interface Routine {
* @param alpha - constant
* @param x - input array
* @param stride - stride length
* @returns `y`
* @returns input array
*
* @example
* var Float64Array = require( `@stdlib/array/float64` );
Expand All @@ -49,7 +49,7 @@ interface Routine {
* @param x - input array
* @param stride - stride length
* @param offset - starting index
* @returns `x`
* @returns input array
*
* @example
* var Float64Array = require( `@stdlib/array/float64` );
Expand All @@ -69,7 +69,7 @@ interface Routine {
* @param alpha - constant
* @param x - input array
* @param stride - stride length
* @returns `x`
* @returns input array
*
* @example
* var Float64Array = require( `@stdlib/array/float64` );
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4 changes: 2 additions & 2 deletions base/dscal/examples/c/example.c
Original file line number Diff line number Diff line change
Expand Up @@ -24,10 +24,10 @@ int main( void ) {
double x[] = { 1.0, -2.0, 3.0, -4.0, 5.0, -6.0, 7.0, -8.0 };

// Specify the number of elements:
int N = 8;
const int N = 8;

// Specify a stride:
int strideX = 1;
const int strideX = 1;

// Scale the vector:
c_dscal( N, 5.0, x, strideX );
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22 changes: 3 additions & 19 deletions base/dscal/examples/index.js
Original file line number Diff line number Diff line change
Expand Up @@ -18,27 +18,11 @@

'use strict';

var round = require( '@stdlib/math/base/special/round' );
var randu = require( '@stdlib/random/base/randu' );
var Float64Array = require( '@stdlib/array/float64' );
var discreteUniform = require( '@stdlib/random/base/discrete-uniform' ).factory;
var filledarrayBy = require( '@stdlib/array/filled-by' );
var dscal = require( './../lib' );

var rand;
var sign;
var x;
var i;

x = new Float64Array( 10 );
for ( i = 0; i < x.length; i++ ) {
rand = round( randu()*100.0 );
sign = randu();
if ( sign < 0.5 ) {
sign = -1.0;
} else {
sign = 1.0;
}
x[ i ] = sign * rand;
}
var x = filledarrayBy( 10, 'float64', discreteUniform( -100, 100 ) );
console.log( x );

dscal( x.length, 5.0, x, 1 );
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2 changes: 1 addition & 1 deletion base/dscal/include.gypi
Original file line number Diff line number Diff line change
Expand Up @@ -52,7 +52,7 @@

# Source files:
'src_files': [
'<(src_dir)/addon.cpp',
'<(src_dir)/addon.c',
'<!@(node -e "var arr = require(\'@stdlib/utils/library-manifest\')(\'./manifest.json\',{\'os\':\'<(OS)\',\'blas\':\'<(blas)\'},{\'basedir\':process.cwd(),\'paths\':\'posix\'}).src; for ( var i = 0; i < arr.length; i++ ) { console.log( arr[ i ] ); }")',
],

Expand Down
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