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test: add tests for left side
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‎lib/node_modules/@stdlib/lapack/base/dlarf1f/lib/base.js‎

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@@ -82,6 +82,7 @@ function dlarf1f( side, M, N, V, strideV, offsetV, tau, C, strideC1, strideC2, o
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lastv = N;
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}
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// check here
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if ( strideV > 0 ) {
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i = offsetV + ( ( lastv - 1 ) * strideV );
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} else {

‎lib/node_modules/@stdlib/lapack/base/dlarf1f/test/fixtures/left_lastv_eq_one_col_major.json‎

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{
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"order": "column-major",
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"side": "left",
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"M": 4,
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"N": 3,
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"V": [ 1.0, 0.0, 0.0, 0.0 ],
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"strideV": 1,
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"offsetV": 0,
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"tau": 0.5,
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"C": [ 1.0, 4.0, 7.0, 10.0, 2.0, 5.0, 8.0, 11.0, 3.0, 6.0, 9.0, 12.0 ],
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"strideC1": 1,
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"strideC2": 4,
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"offsetC": 0,
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"LDC": 4,
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"C_mat": [
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[ 1.0, 2.0, 3.0 ],
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[ 4.0, 5.0, 6.0 ],
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[ 7.0, 8.0, 9.0 ],
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[ 10.0, 11.0, 12.0 ]
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],
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"work": [ 0.0, 0.0, 0.0 ],
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"strideWork": 1,
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"offsetWork": 0,
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"C_out": [ 0.5, 4.0, 7.0, 10.0, 1.0, 5.0, 8.0, 11.0, 1.5, 6.0, 9.0, 12.0 ],
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"C_out_mat": [
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[ 0.5, 1.0, 1.5 ],
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[ 4.0, 5.0, 6.0 ],
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[ 7.0, 8.0, 9.0 ],
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[ 10.0, 11.0, 12.0 ]
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]
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}

‎lib/node_modules/@stdlib/lapack/base/dlarf1f/test/fixtures/left_lastv_eq_one_row_major.json‎

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@@ -0,0 +1,38 @@
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{
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"order": "row-major",
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"side": "left",
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"M": 4,
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"N": 3,
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"V": [ 1.0, 0.0, 0.0, 0.0 ],
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"strideV": 1,
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"offsetV": 0,
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"tau": 0.5,
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"C": [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0, 11.0, 12.0 ],
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"strideC1": 3,
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"strideC2": 1,
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"offsetC": 0,
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"LDC": 3,
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"C_mat": [
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[ 1.0, 2.0, 3.0 ],
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[ 4.0, 5.0, 6.0 ],
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[ 7.0, 8.0, 9.0 ],
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[ 10.0, 11.0, 12.0 ]
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],
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"work": [ 0.0, 0.0, 0.0 ],
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"strideWork": 1,
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"offsetWork": 0,
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"C_out": [ 0.5, 1.0, 1.5, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0, 11.0, 12.0 ],
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"C_out_mat": [
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[ 0.5, 1.0, 1.5 ],
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[ 4.0, 5.0, 6.0 ],
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[ 7.0, 8.0, 9.0 ],
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[ 10.0, 11.0, 12.0 ]
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]
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}

‎lib/node_modules/@stdlib/lapack/base/dlarf1f/test/fixtures/left_lastv_gt_one_col_major.json‎

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@@ -0,0 +1,42 @@
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{
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"order": "column-major",
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"side": "left",
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"M": 4,
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"N": 3,
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"V": [ 1.0, 2.0, 3.0, 4.0 ],
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"strideV": 1,
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"offsetV": 0,
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"tau": 0.5,
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"C": [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0, 11.0, 12.0 ],
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"strideC1": 1,
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"strideC2": 4,
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"offsetC": 0,
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"LDC": 4,
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"C_mat": [
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[ 1.0, 5.0, 9.0 ],
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[ 2.0, 6.0, 10.0 ],
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[ 3.0, 7.0, 11.0 ],
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[ 4.0, 8.0, 12.0 ]
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],
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"work": [ 0.0, 0.0, 0.0 ],
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"strideWork": 1,
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"offsetWork": 0,
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"C_out": [
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-14.0, -28.0, -42.0, -56.0,
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-30.0, -64.0, -98.0, -132.0,
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-46.0, -100.0, -154.0, -208.0
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],
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"C_out_mat": [
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[ -14.0, -30.0, -46.0 ],
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[ -28.0, -64.0, -100.0 ],
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[ -42.0, -98.0, -154.0 ],
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[ -56.0, -132.0, -208.0 ]
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]
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}

‎lib/node_modules/@stdlib/lapack/base/dlarf1f/test/fixtures/left_lastv_gt_one_row_major.json‎

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@@ -0,0 +1,43 @@
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{
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"order": "row-major",
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"side": "left",
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"M": 4,
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"N": 3,
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"V": [ 1.0, 2.0, 3.0, 4.0 ],
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"strideV": 1,
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"offsetV": 0,
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"tau": 0.5,
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"C": [ 1.0, 5.0, 9.0, 2.0, 6.0, 10.0, 3.0, 7.0, 11.0, 4.0, 8.0, 12.0 ],
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"strideC1": 3,
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"strideC2": 1,
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"offsetC": 0,
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"LDC": 3,
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"C_mat": [
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[ 1.0, 5.0, 9.0 ],
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[ 2.0, 6.0, 10.0 ],
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[ 3.0, 7.0, 11.0 ],
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[ 4.0, 8.0, 12.0 ]
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],
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"work": [ 0.0, 0.0, 0.0 ],
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"strideWork": 1,
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"offsetWork": 0,
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"C_out": [
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-14.0, -30.0, -46.0,
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-28.0, -64.0, -100.0,
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-42.0, -98.0, -154.0,
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-56.0, -132.0, -208.0
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],
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"C_out_mat": [
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[ -14.0, -30.0, -46.0 ],
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[ -28.0, -64.0, -100.0 ],
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[ -42.0, -98.0, -154.0 ],
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[ -56.0, -132.0, -208.0 ]
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]
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}

‎lib/node_modules/@stdlib/lapack/base/dlarf1f/test/fixtures/tau_eq_zero.json‎

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@@ -0,0 +1,36 @@
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{
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"order": "row-major",
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"side": "left",
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"M": 3,
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"N": 3,
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"V": [ 0.5, 0.5, 0.5 ],
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"strideV": 1,
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"offsetV": 0,
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"tau": 0.0,
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"C": [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0 ],
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"strideC1": 3,
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"strideC2": 1,
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"offsetC": 0,
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"LDC": 3,
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"C_mat": [
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[ 1.0, 2.0, 3.0 ],
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[ 4.0, 5.0, 6.0 ],
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[ 7.0, 8.0, 9.0 ]
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],
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"work": [ 0.0, 0.0, 0.0 ],
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"strideWork": 1,
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"offsetWork": 0,
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"C_out": [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0 ],
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"C_out_mat": [
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[ 1.0, 2.0, 3.0 ],
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[ 4.0, 5.0, 6.0 ],
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[ 7.0, 8.0, 9.0 ]
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]
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}

‎lib/node_modules/@stdlib/lapack/base/dlarf1f/test/test.dlarf1f.js‎

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@@ -16,7 +16,7 @@
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* limitations under the License.
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*/
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/* eslint-disable max-len */
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/* eslint-disable max-len, id-length */
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'use strict';
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@@ -27,6 +27,15 @@ var Float64Array = require( '@stdlib/array/float64' );
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var dlarf1f = require( './../lib/dlarf1f.js' );
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// FIXTURES //
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var TAU_EQ_ZERO = require( './fixtures/tau_eq_zero.json' );
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var LEFT_LASTV_EQ_ONE_ROW_MAJOR = require( './fixtures/left_lastv_eq_one_row_major.json' );
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var LEFT_LASTV_EQ_ONE_COL_MAJOR = require( './fixtures/left_lastv_eq_one_col_major.json' );
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var LEFT_LASTV_GT_ONE_ROW_MAJOR = require( './fixtures/left_lastv_gt_one_row_major.json' );
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var LEFT_LASTV_GT_ONE_COL_MAJOR = require( './fixtures/left_lastv_gt_one_col_major.json' );
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// TESTS //
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tape( 'main export is a function', function test( t ) {
@@ -165,3 +174,108 @@ tape( 'the function throws an error if provided a sixth argument which is not a
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};
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}
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});
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tape( 'the function returns the array unchanged if tau is zero', function test( t ) {
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var expectedC;
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var data;
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var work;
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var out;
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var V;
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var C;
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data = TAU_EQ_ZERO;
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V = new Float64Array( data.V );
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C = new Float64Array( data.C );
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work = new Float64Array( data.work );
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out = dlarf1f( data.order, data.side, data.M, data.N, V, data.strideV, data.tau, C, data.LDC, work );
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expectedC = new Float64Array( data.C_out );
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t.deepEqual( out, expectedC, 'returns expected value' );
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t.end();
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});
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tape( 'the function expected value for left side, lastv = 1 (row-major)', function test( t ) {
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var expectedC;
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var data;
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var work;
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var out;
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var V;
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var C;
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data = LEFT_LASTV_EQ_ONE_ROW_MAJOR;
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V = new Float64Array( data.V );
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C = new Float64Array( data.C );
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work = new Float64Array( data.work );
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out = dlarf1f( data.order, data.side, data.M, data.N, V, data.strideV, data.tau, C, data.LDC, work );
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expectedC = new Float64Array( data.C_out );
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t.deepEqual( out, expectedC, 'returns expected value' );
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t.end();
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});
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tape( 'the function expected value for left side, lastv = 1 (column-major)', function test( t ) {
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var expectedC;
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var data;
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var work;
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var out;
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var V;
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var C;
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data = LEFT_LASTV_EQ_ONE_COL_MAJOR;
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V = new Float64Array( data.V );
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C = new Float64Array( data.C );
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work = new Float64Array( data.work );
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out = dlarf1f( data.order, data.side, data.M, data.N, V, data.strideV, data.tau, C, data.LDC, work );
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expectedC = new Float64Array( data.C_out );
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t.deepEqual( out, expectedC, 'returns expected value' );
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t.end();
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});
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tape( 'the function expected value for left side, lastv > 1 (row-major)', function test( t ) {
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var expectedC;
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var data;
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var work;
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var out;
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var V;
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var C;
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data = LEFT_LASTV_GT_ONE_ROW_MAJOR;
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V = new Float64Array( data.V );
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C = new Float64Array( data.C );
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work = new Float64Array( data.work );
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out = dlarf1f( data.order, data.side, data.M, data.N, V, data.strideV, data.tau, C, data.LDC, work );
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expectedC = new Float64Array( data.C_out );
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t.deepEqual( out, expectedC, 'returns expected value' );
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t.end();
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});
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tape( 'the function expected value for left side, lastv > 1 (column-major)', function test( t ) {
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var expectedC;
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var data;
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var work;
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var out;
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var V;
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var C;
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data = LEFT_LASTV_GT_ONE_COL_MAJOR;
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V = new Float64Array( data.V );
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C = new Float64Array( data.C );
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work = new Float64Array( data.work );
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out = dlarf1f( data.order, data.side, data.M, data.N, V, data.strideV, data.tau, C, data.LDC, work );
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expectedC = new Float64Array( data.C_out );
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t.deepEqual( out, expectedC, 'returns expected value' );
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t.end();
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});

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