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test: add accessors tests for nanstdevyc function
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‎lib/node_modules/@stdlib/stats/base/nanstdevyc/test/test.nanstdevyc.js‎

Lines changed: 86 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -272,6 +272,21 @@ tape( 'if provided an `N` parameter less than or equal to `0`, the function retu
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t.end();
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});
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tape( 'if provided an `N` parameter less than or equal to `0`, the function returns `NaN` (accessors)', function test( t ) {
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var x;
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var v;
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x = [ 1.0, -2.0, -4.0, 5.0, 3.0 ];
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v = nanstdevyc( 0, 1, toAccessorArray( x ), 1 );
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t.strictEqual( isnan( v ), true, 'returns expected value' );
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v = nanstdevyc( -1, 1, toAccessorArray( x ), 1 );
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t.strictEqual( isnan( v ), true, 'returns expected value' );
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t.end();
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});
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tape( 'if provided an `N` parameter equal to `1`, the function returns a population standard deviation of `0` provided the first element is not `NaN`', function test( t ) {
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var x;
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var v;
@@ -289,6 +304,23 @@ tape( 'if provided an `N` parameter equal to `1`, the function returns a populat
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t.end();
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});
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tape( 'if provided an `N` parameter equal to `1`, the function returns a population standard deviation of `0` provided the first element is not `NaN` (accessors)', function test( t ) {
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var x;
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var v;
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x = [ 1.0, -2.0, -4.0, 5.0, 3.0 ];
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v = nanstdevyc( 1, 0, toAccessorArray( x ), 1 );
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t.strictEqual( v, 0.0, 'returns expected value' );
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x = [ NaN, 1.0, -2.0, -4.0, 5.0, 3.0 ];
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v = nanstdevyc( 1, 0, toAccessorArray( x ), 1 );
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t.strictEqual( isnan( v ), true, 'returns expected value' );
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t.end();
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});
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tape( 'if provided an `N` parameter equal to `1`, the function returns a sample standard deviation equal to `NaN`', function test( t ) {
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var x;
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var v;
@@ -306,6 +338,23 @@ tape( 'if provided an `N` parameter equal to `1`, the function returns a sample
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t.end();
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});
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tape( 'if provided an `N` parameter equal to `1`, the function returns a sample standard deviation equal to `NaN` (accessors)', function test( t ) {
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var x;
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var v;
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x = [ 1.0, -2.0, -4.0, 5.0, 3.0 ];
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v = nanstdevyc( 1, 1, toAccessorArray( x ), 1 );
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t.strictEqual( isnan( v ), true, 'returns expected value' );
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x = [ NaN, 1.0, -2.0, -4.0, 5.0, 3.0 ];
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v = nanstdevyc( 1, 1, toAccessorArray( x ), 1 );
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t.strictEqual( isnan( v ), true, 'returns expected value' );
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t.end();
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});
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tape( 'if provided a `correction` parameter yielding a correction term less than or equal to `0`, the function returns `NaN`', function test( t ) {
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var x;
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var v;
@@ -321,6 +370,21 @@ tape( 'if provided a `correction` parameter yielding a correction term less than
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t.end();
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});
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tape( 'if provided a `correction` parameter yielding a correction term less than or equal to `0`, the function returns `NaN` (accessors)', function test( t ) {
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var x;
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var v;
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x = [ 1.0, -2.0, -4.0, 5.0, 3.0 ];
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v = nanstdevyc( x.length, x.length, toAccessorArray( x ), 1 );
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t.strictEqual( isnan( v ), true, 'returns expected value' );
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v = nanstdevyc( x.length, x.length+1, toAccessorArray( x ), 1 );
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t.strictEqual( isnan( v ), true, 'returns expected value' );
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t.end();
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});
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tape( 'the function supports a `stride` parameter', function test( t ) {
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var x;
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var v;
@@ -451,6 +515,28 @@ tape( 'if provided a `stride` parameter equal to `0`, the function returns `0` p
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t.end();
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});
453517

518+
tape( 'if provided a `stride` parameter equal to `0`, the function returns `0` provided the correction term is not less than `0` and the first element is not `NaN` (accessors)', function test( t ) {
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var x;
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var v;
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x = [ 1.0, -2.0, -4.0, 5.0, 3.0 ];
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v = nanstdevyc( x.length, 1, toAccessorArray( x ), 0 );
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t.strictEqual( v, 0.0, 'returns expected value' );
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x = [ NaN, 1.0, -2.0, -4.0, 5.0, 3.0 ];
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v = nanstdevyc( x.length, 1, toAccessorArray( x ), 0 );
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t.strictEqual( isnan( v ), true, 'returns expected value' );
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x = [ 1.0, -2.0, -4.0, 5.0, 3.0 ];
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v = nanstdevyc( x.length, x.length, toAccessorArray( x ), 0 );
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t.strictEqual( isnan( v ), true, 'returns expected value' );
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t.end();
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});
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tape( 'the function supports view offsets', function test( t ) {
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var x0;
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var x1;

‎lib/node_modules/@stdlib/stats/base/nanstdevyc/test/test.ndarray.js‎

Lines changed: 86 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -271,6 +271,21 @@ tape( 'if provided an `N` parameter less than or equal to `0`, the function retu
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t.end();
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});
273273

274+
tape( 'if provided an `N` parameter less than or equal to `0`, the function returns `NaN` (accessors)', function test( t ) {
275+
var x;
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var v;
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x = [ 1.0, -2.0, -4.0, 5.0, 3.0 ];
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v = nanstdevyc( 0, 1, toAccessorArray( x ), 1, 0 );
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t.strictEqual( isnan( v ), true, 'returns expected value' );
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v = nanstdevyc( -1, 1, toAccessorArray( x ), 1, 0 );
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t.strictEqual( isnan( v ), true, 'returns expected value' );
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t.end();
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});
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274289
tape( 'if provided an `N` parameter equal to `1`, the function returns a population standard deviation of `0` provided the first element is not `NaN`', function test( t ) {
275290
var x;
276291
var v;
@@ -288,6 +303,23 @@ tape( 'if provided an `N` parameter equal to `1`, the function returns a populat
288303
t.end();
289304
});
290305

306+
tape( 'if provided an `N` parameter equal to `1`, the function returns a population standard deviation of `0` provided the first element is not `NaN` (accessors)', function test( t ) {
307+
var x;
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var v;
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x = [ 1.0, -2.0, -4.0, 5.0, 3.0 ];
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v = nanstdevyc( 1, 0, toAccessorArray( x ), 1, 0 );
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t.strictEqual( v, 0.0, 'returns expected value' );
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x = [ NaN, 1.0, -2.0, -4.0, 5.0, 3.0 ];
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v = nanstdevyc( 1, 0, toAccessorArray( x ), 1, 0 );
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t.strictEqual( isnan( v ), true, 'returns expected value' );
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t.end();
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});
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291323
tape( 'if provided an `N` parameter equal to `1`, the function returns a sample standard deviation equal to `NaN`', function test( t ) {
292324
var x;
293325
var v;
@@ -305,6 +337,23 @@ tape( 'if provided an `N` parameter equal to `1`, the function returns a sample
305337
t.end();
306338
});
307339

340+
tape( 'if provided an `N` parameter equal to `1`, the function returns a sample standard deviation equal to `NaN` (accessors)', function test( t ) {
341+
var x;
342+
var v;
343+
344+
x = [ 1.0, -2.0, -4.0, 5.0, 3.0 ];
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346+
v = nanstdevyc( 1, 1, toAccessorArray( x ), 1, 0 );
347+
t.strictEqual( isnan( v ), true, 'returns expected value' );
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x = [ NaN, 1.0, -2.0, -4.0, 5.0, 3.0 ];
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v = nanstdevyc( 1, 1, toAccessorArray( x ), 1, 0 );
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t.strictEqual( isnan( v ), true, 'returns expected value' );
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t.end();
355+
});
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308357
tape( 'if provided a `correction` parameter yielding a correction term less than or equal to `0`, the function returns `NaN`', function test( t ) {
309358
var x;
310359
var v;
@@ -320,6 +369,21 @@ tape( 'if provided a `correction` parameter yielding a correction term less than
320369
t.end();
321370
});
322371

372+
tape( 'if provided a `correction` parameter yielding a correction term less than or equal to `0`, the function returns `NaN` (accessors)', function test( t ) {
373+
var x;
374+
var v;
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376+
x = [ 1.0, -2.0, -4.0, 5.0, 3.0 ];
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378+
v = nanstdevyc( x.length, x.length, toAccessorArray( x ), 1, 0 );
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t.strictEqual( isnan( v ), true, 'returns expected value' );
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v = nanstdevyc( x.length, x.length+1, toAccessorArray( x ), 1, 0 );
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t.strictEqual( isnan( v ), true, 'returns expected value' );
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t.end();
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});
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323387
tape( 'the function supports a `stride` parameter', function test( t ) {
324388
var x;
325389
var v;
@@ -450,6 +514,28 @@ tape( 'if provided a `stride` parameter equal to `0`, the function returns `0` p
450514
t.end();
451515
});
452516

517+
tape( 'if provided a `stride` parameter equal to `0`, the function returns `0` provided the correction term is not less than `0` and the first element is not `NaN` (accessors)', function test( t ) {
518+
var x;
519+
var v;
520+
521+
x = [ 1.0, -2.0, -4.0, 5.0, 3.0 ];
522+
523+
v = nanstdevyc( x.length, 1, toAccessorArray( x ), 0, 0 );
524+
t.strictEqual( v, 0.0, 'returns expected value' );
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x = [ NaN, 1.0, -2.0, -4.0, 5.0, 3.0 ];
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v = nanstdevyc( x.length, 1, toAccessorArray( x ), 0, 0 );
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t.strictEqual( isnan( v ), true, 'returns expected value' );
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531+
x = [ 1.0, -2.0, -4.0, 5.0, 3.0 ];
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v = nanstdevyc( x.length, x.length, toAccessorArray( x ), 0, 0 );
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t.strictEqual( isnan( v ), true, 'returns expected value' );
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t.end();
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});
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tape( 'the function supports an `offset` parameter', function test( t ) {
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var x;
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var v;

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