+ 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 | +
+
+ |
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+
+ |
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| native.js | +
+
+ |
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+
+ |
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+
+ |
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| srot.js | +
+
+ |
+ 100% | +87/87 | +100% | +16/16 | +100% | +1/1 | +100% | +87/87 | +
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+
+ |
+ 100% | +58/58 | +100% | +2/2 | +100% | +1/1 | +100% | +58/58 | +
+ 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 | 3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +1x +3x +2x +2x +3x +3x +3x +3x +3x +3x +3x + | /**
+* @license Apache-2.0
+*
+* Copyright (c) 2024 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';
+
+/**
+* BLAS level 1 routine to apply a plane rotation.
+*
+* @module @stdlib/blas/base/srot
+*
+* @example
+* var Float32Array = require( '@stdlib/array/float32' );
+* var srot = require( '@stdlib/blas/base/srot' );
+*
+* var x = new Float32Array( [ 1.0, 2.0, 3.0, 4.0, 5.0 ] );
+* var y = new Float32Array( [ 6.0, 7.0, 8.0, 9.0, 10.0 ] );
+*
+* srot( x.length, x, 1, y, 1, 0.8, 0.6 );
+* // x => <Float32Array>[ ~4.4, ~5.8, ~7.2, ~8.6, 10.0 ]
+* // y => <Float32Array>[ ~4.2, ~4.4, ~4.6, ~4.8, 5.0 ]
+*
+* @example
+* var Float32Array = require( '@stdlib/array/float32' );
+* var srot = require( '@stdlib/blas/base/srot' );
+*
+* var x = new Float32Array( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0 ] );
+* var y = new Float32Array( [ 7.0, 8.0, 9.0, 10.0, 11.0, 12.0 ] );
+*
+* srot.ndarray( 2, x, 2, 2, y, 2, 2, 0.8, 0.6 );
+* // x => <Float32Array>[ 1.0, 2.0, ~7.8, 4.0, ~10.6, 6.0 ]
+* // y => <Float32Array>[ 7.0, 8.0, ~5.4, 10.0, ~5.8, 12.0 ]
+*/
+
+// MODULES //
+
+var join = require( 'path' ).join;
+var tryRequire = require( '@stdlib/utils/try-require' );
+var isError = require( '@stdlib/assert/is-error' );
+var main = require( './main.js' );
+
+
+// MAIN //
+
+var srot;
+var tmp = tryRequire( join( __dirname, './native.js' ) );
+if ( isError( tmp ) ) {
+ srot = main;
+} else {
+ srot = tmp;
+}
+
+
+// EXPORTS //
+
+module.exports = srot;
+
+// exports: { "ndarray": "srot.ndarray" }
+ |
+ 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 | 1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +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) 2024 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 setReadOnly = require( '@stdlib/utils/define-nonenumerable-read-only-property' ); +var srot = require( './srot.js' ); +var ndarray = require( './ndarray.js' ); + + +// MAIN // + +setReadOnly( srot, 'ndarray', ndarray ); + + +// EXPORTS // + +module.exports = srot; + |
+ 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 | 1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +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) 2024 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 setReadOnly = require( '@stdlib/utils/define-nonenumerable-read-only-property' ); +var srot = require( './srot.native.js' ); +var ndarray = require( './ndarray.native.js' ); + + +// MAIN // + +setReadOnly( srot, 'ndarray', ndarray ); + + +// EXPORTS // + +module.exports = srot; + |
+ 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 | 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 +2x +2x +2x +2x +2x +25x +25x +25x +25x +25x +25x +25x +6x +6x +19x +19x +19x +25x +48x +48x +48x +48x +48x +48x +19x +25x +2x +2x +2x +2x +2x + | /**
+* @license Apache-2.0
+*
+* Copyright (c) 2024 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 //
+
+/**
+* Applies a plane rotation.
+*
+* @param {PositiveInteger} N - number of indexed elements
+* @param {Float32Array} x - first input array
+* @param {integer} strideX - `x` stride length
+* @param {NonNegativeInteger} offsetX - starting `x` index
+* @param {Float32Array} y - second input array
+* @param {integer} strideY - `y` stride length
+* @param {NonNegativeInteger} offsetY - starting `y` index
+* @param {number} c - cosine of the angle of rotation
+* @param {number} s - sine of the angle of rotation
+* @returns {Float32Array} `y`
+*
+* @example
+* var Float32Array = require( '@stdlib/array/float32' );
+*
+* var x = new Float32Array( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0 ] );
+* var y = new Float32Array( [ 7.0, 8.0, 9.0, 10.0, 11.0, 12.0 ] );
+*
+* srot( 2, x, 2, 2, y, 2, 2, 0.8, 0.6 );
+* // x => <Float32Array>[ 1.0, 2.0, ~7.8, 4.0, ~10.6, 6.0 ]
+* // y => <Float32Array>[ 7.0, 8.0, ~5.4, 10.0, ~5.8, 12.0 ]
+*/
+function srot( N, x, strideX, offsetX, y, strideY, offsetY, c, s ) {
+ var tmp;
+ var ix;
+ var iy;
+ var i;
+
+ if ( N <= 0 ) {
+ return y;
+ }
+ ix = offsetX;
+ iy = offsetY;
+
+ for ( i = 0; i < N; i++ ) {
+ tmp = ( c * x[ ix ] ) + ( s * y[ iy ] );
+ y[ iy ] = ( c * y[ iy ] ) - ( s * x[ ix ] );
+ x[ ix ] = tmp;
+ ix += strideX;
+ iy += strideY;
+ }
+ return y;
+}
+
+
+// EXPORTS //
+
+module.exports = srot;
+ |
+ 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 | 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 +2x +2x +2x +2x +2x +2x +2x +2x +2x +2x +2x +2x +25x +25x +25x +25x +25x +25x +25x +25x +25x +25x +25x +25x +25x +2x +2x +2x +2x +2x + | /**
+* @license Apache-2.0
+*
+* Copyright (c) 2024 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 minViewBufferIndex = require( '@stdlib/strided/base/min-view-buffer-index' );
+var offsetView = require( '@stdlib/strided/base/offset-view' );
+var addon = require( './srot.native.js' );
+
+
+// MAIN //
+
+/**
+* Applies a plane rotation.
+*
+* @param {PositiveInteger} N - number of indexed elements
+* @param {Float32Array} x - input array
+* @param {integer} strideX - `x` stride length
+* @param {NonNegativeInteger} offsetX - starting `x` index
+* @param {Float32Array} y - output array
+* @param {integer} strideY - `y` stride length
+* @param {NonNegativeInteger} offsetY - starting `y` index
+* @param {number} c - cosine of the angle of rotation
+* @param {number} s - sine of the angle of rotation
+* @returns {Float32Array} `y`
+*
+* @example
+* var Float32Array = require( '@stdlib/array/float32' );
+*
+* var x = new Float32Array( [ 1.0, 2.0, 3.0, 4.0, 5.0 ] );
+* var y = new Float32Array( [ 6.0, 7.0, 8.0, 9.0, 10.0 ] );
+*
+* srot( 4, x, 1, 1, y, 1, 1, 0.8, 0.6 );
+* // x => <Float32Array>[ 1.0, ~5.8, ~7.2, ~8.6, 10.0 ]
+* // y => <Float32Array>[ 6.0, 4.4, ~4.6, ~4.8, 5.0 ]
+*/
+function srot( N, x, strideX, offsetX, y, strideY, offsetY, c, s ) {
+ var viewX;
+ var viewY;
+
+ offsetX = minViewBufferIndex( N, strideX, offsetX );
+ offsetY = minViewBufferIndex( N, strideY, offsetY );
+
+ viewX = offsetView( x, offsetX );
+ viewY = offsetView( y, offsetY );
+
+ addon( N, viewX, strideX, viewY, strideY, c, s );
+ return y;
+}
+
+
+// EXPORTS //
+
+module.exports = srot;
+ |
+ 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 | 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 +2x +2x +2x +23x +23x +23x +23x +23x +23x +23x +6x +6x +17x +23x +4x +12x +12x +12x +12x +4x +4x +13x +23x +8x +23x +5x +5x +23x +7x +23x +6x +6x +23x +32x +32x +32x +32x +32x +32x +13x +23x +2x +2x +2x +2x +2x + | /**
+* @license Apache-2.0
+*
+* Copyright (c) 2024 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 //
+
+/**
+* Applies a plane rotation.
+*
+* @param {PositiveInteger} N - number of indexed elements
+* @param {Float32Array} x - first input array
+* @param {integer} strideX - `x` stride length
+* @param {Float32Array} y - second input array
+* @param {integer} strideY - `y` stride length
+* @param {number} c - cosine of the angle of rotation
+* @param {number} s - sine of the angle of rotation
+* @returns {Float32Array} `y`
+*
+* @example
+* var Float32Array = require( '@stdlib/array/float32' );
+*
+* var x = new Float32Array( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0 ] );
+* var y = new Float32Array( [ 7.0, 8.0, 9.0, 10.0, 11.0, 12.0 ] );
+*
+* srot( 3, x, 2, y, 2, 0.8, 0.6 );
+* // x => <Float32Array>[ 5.0, 2.0, ~7.8, 4.0, ~10.6, 6.0 ]
+* // y => <Float32Array>[ 5.0, 8.0, ~5.4, 10.0, ~5.8, 12.0 ]
+*/
+function srot( N, x, strideX, y, strideY, c, s ) {
+ var tmp;
+ var ix;
+ var iy;
+ var i;
+
+ if ( N <= 0 ) {
+ return y;
+ }
+ // If both strides are equal to `1`...
+ if ( strideX === 1 && strideY === 1 ) {
+ for ( i = 0; i < N; i++ ) {
+ tmp = ( c * x[ i ] ) + ( s * y[ i ] );
+ y[ i ] = ( c * y[ i ] ) - ( s * x[ i ] );
+ x[ i ] = tmp;
+ }
+ return y;
+ }
+ // If both strides are not equal to `1`...
+ if ( strideX < 0 ) {
+ ix = ( 1 - N ) * strideX;
+ } else {
+ ix = 0;
+ }
+ if ( strideY < 0 ) {
+ iy = ( 1 - N ) * strideY;
+ } else {
+ iy = 0;
+ }
+ for ( i = 0; i < N; i++ ) {
+ tmp = ( c * x[ ix ] ) + ( s * y[ iy ] );
+ y[ iy ] = ( c * y[ iy ] ) - ( s * x[ ix ] );
+ x[ ix ] = tmp;
+ ix += strideX;
+ iy += strideY;
+ }
+ return y;
+}
+
+
+// EXPORTS //
+
+module.exports = srot;
+ |
+ 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 | 3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +3x +48x +48x +48x +48x +3x +3x +3x +3x +3x + | /**
+* @license Apache-2.0
+*
+* Copyright (c) 2024 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 addon = require( './../src/addon.node' );
+
+
+// MAIN //
+
+/**
+* Applies a plane rotation.
+*
+* @param {PositiveInteger} N - number of indexed elements
+* @param {Float32Array} x - input array
+* @param {integer} strideX - `x` stride length
+* @param {Float32Array} y - output array
+* @param {integer} strideY - `y` stride length
+* @param {number} c - cosine of the angle of rotation
+* @param {number} s - sine of the angle of rotation
+* @returns {Float32Array} `y`
+*
+* @example
+* var Float32Array = require( '@stdlib/array/float32' );
+*
+* var x = new Float32Array( [ 1.0, 2.0, 3.0, 4.0, 5.0 ] );
+* var y = new Float32Array( [ 6.0, 7.0, 8.0, 9.0, 10.0 ] );
+*
+* srot( x.length, x, 1, y, 1, 0.8, 0.6 );
+* // x => <Float32Array>[ ~4.4, ~5.8, ~7.2, ~8.6, 10.0 ]
+* // y => <Float32Array>[ ~4.2, 4.4, 4.6, 4.8, 5.0 ]
+*/
+function srot( N, x, strideX, y, strideY, c, s ) {
+ addon( N, x, strideX, y, strideY, c, s );
+ return y;
+}
+
+
+// EXPORTS //
+
+module.exports = srot;
+ |