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chore: fix JavaScript lint errors (issue #10184) #10185

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172 changes: 88 additions & 84 deletions lib/node_modules/@stdlib/math/strided/special/avercos-by/test/test.main.js
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Original file line number Diff line number Diff line change
Expand Up @@ -20,22 +20,22 @@

// MODULES //

var tape = require( 'tape' );
var avercos = require( '@stdlib/math/base/special/avercos' );
var uniform = require( '@stdlib/random/base/uniform' ).factory;
var Float64Array = require( '@stdlib/array/float64' );
var avercosBy = require( './../lib/main.js' );
var tape = require('tape');
var avercos = require('@stdlib/math/base/special/avercos');
var uniform = require('@stdlib/random/base/uniform').factory;
var Float64Array = require('@stdlib/array/float64');
var avercosBy = require('./../lib/main.js');


// VARIABLES //

var rand = uniform( -2.0, 0.0 );
var rand = uniform(-2.0, 0.0);


// FUNCTIONS //

function accessor( v ) {
if ( v === void 0 ) {
function accessor(v) {
if (v === void 0) {
return;
}
return v;
Expand All @@ -44,18 +44,18 @@ function accessor( v ) {

// TESTS //

tape( 'main export is a function', function test( t ) {
t.ok( true, __filename );
t.strictEqual( typeof avercosBy, 'function', 'main export is a function' );
tape('main export is a function', function test(t) {
t.ok(true, __filename);
t.strictEqual(typeof avercosBy, 'function', 'main export is a function');
t.end();
});

tape( 'the function has an arity of 7', function test( t ) {
t.strictEqual( avercosBy.length, 7, 'arity of 7' );
tape('the function has an arity of 7', function test(t) {
t.strictEqual(avercosBy.length, 7, 'arity of 7');
t.end();
});

tape( 'the function computes the inverse versed cosine via a callback function', function test( t ) {
tape('the function computes the inverse versed cosine via a callback function', function test(t) {
var expected;
var x;
var y;
Expand All @@ -65,39 +65,43 @@ tape( 'the function computes the inverse versed cosine via a callback function',
y = [];

expected = [];
for ( i = 0; i < 10; i++ ) {
x.push( rand() );
y.push( 0.0 );
expected.push( avercos( x[ i ] ) );
for (i = 0; i < 10; i++) {
x.push(rand());
y.push(0.0);
expected.push(avercos(x[i]));
}

avercosBy( x.length, x, 1, y, 1, accessor );
t.deepEqual( y, expected, 'deep equal' );
avercosBy(x.length, x, 1, y, 1, accessor);
t.deepEqual(y, expected, 'deep equal');

// eslint-disable-next-line stdlib/no-new-array
x = new Array( 5 ); // sparse array
y = [ 0.0, 0.0, 0.0, 0.0, 0.0 ];

x = [];
x.length = 5; // sparse array
y = [0.0, 0.0, 0.0, 0.0, 0.0];

expected = [0.0, 0.0, 0.0, 0.0, 0.0];

expected = [ 0.0, 0.0, 0.0, 0.0, 0.0 ];

avercosBy( x.length, x, 1, y, 1, accessor );
t.deepEqual( y, expected, 'deep equal' );
avercosBy(x.length, x, 1, y, 1, accessor);
t.deepEqual(y, expected, 'deep equal');

// eslint-disable-next-line stdlib/no-new-array
x = new Array( 5 ); // sparse array
x[ 2 ] = rand();
y = [ 0.0, 0.0, 0.0, 0.0, 0.0 ];

x = [];
x.length = 5; // sparse array
x[2] = rand();
y = [0.0, 0.0, 0.0, 0.0, 0.0];

expected = y.slice();
expected[ 2 ] = avercos( x[ 2 ] );
expected[2] = avercos(x[2]);


avercosBy( x.length, x, 1, y, 1, accessor );
t.deepEqual( y, expected, 'deep equal' );
avercosBy(x.length, x, 1, y, 1, accessor);
t.deepEqual(y, expected, 'deep equal');

t.end();
});

tape( 'the function supports an `x` stride', function test( t ) {
tape('the function supports an `x` stride', function test(t) {
var expected;
var x;
var y;
Expand All @@ -119,21 +123,21 @@ tape( 'the function supports an `x` stride', function test( t ) {
];
N = 3;

avercosBy( N, x, 2, y, 1, accessor );
avercosBy(N, x, 2, y, 1, accessor);

expected = [
avercos( x[ 0 ] ),
avercos( x[ 2 ] ),
avercos( x[ 4 ] ),
avercos(x[0]),
avercos(x[2]),
avercos(x[4]),
0.0,
0.0
];

t.deepEqual( y, expected, 'deep equal' );
t.deepEqual(y, expected, 'deep equal');
t.end();
});

tape( 'the function supports a `y` stride', function test( t ) {
tape('the function supports a `y` stride', function test(t) {
var expected;
var x;
var y;
Expand All @@ -155,54 +159,54 @@ tape( 'the function supports a `y` stride', function test( t ) {
];
N = 3;

avercosBy( N, x, 1, y, 2, accessor );
avercosBy(N, x, 1, y, 2, accessor);

expected = [
avercos( x[ 0 ] ),
avercos(x[0]),
0.0,
avercos( x[ 1 ] ),
avercos(x[1]),
0.0,
avercos( x[ 2 ] )
avercos(x[2])
];

t.deepEqual( y, expected, 'deep equal' );
t.deepEqual(y, expected, 'deep equal');
t.end();
});

tape( 'the function returns a reference to the destination array', function test( t ) {
tape('the function returns a reference to the destination array', function test(t) {
var out;
var x;
var y;

x = [ rand(), rand(), rand(), rand(), rand() ];
y = [ 0.0, 0.0, 0.0, 0.0, 0.0 ];
x = [rand(), rand(), rand(), rand(), rand()];
y = [0.0, 0.0, 0.0, 0.0, 0.0];

out = avercosBy( x.length, x, 1, y, 1, accessor );
out = avercosBy(x.length, x, 1, y, 1, accessor);

t.strictEqual( out, y, 'same reference' );
t.strictEqual(out, y, 'same reference');
t.end();
});

tape( 'if provided an `N` parameter less than or equal to `0`, the function returns `y` unchanged', function test( t ) {
tape('if provided an `N` parameter less than or equal to `0`, the function returns `y` unchanged', function test(t) {
var expected;
var x;
var y;

x = [ rand(), rand(), rand(), rand(), rand() ];
y = [ 0.0, 0.0, 0.0, 0.0, 0.0 ];
x = [rand(), rand(), rand(), rand(), rand()];
y = [0.0, 0.0, 0.0, 0.0, 0.0];

expected = [ 0.0, 0.0, 0.0, 0.0, 0.0 ];
expected = [0.0, 0.0, 0.0, 0.0, 0.0];

avercosBy( -1, x, 1, y, 1, accessor );
t.deepEqual( y, expected, 'returns `y` unchanged' );
avercosBy(-1, x, 1, y, 1, accessor);
t.deepEqual(y, expected, 'returns `y` unchanged');

avercosBy( 0, x, 1, y, 1, accessor );
t.deepEqual( y, expected, 'returns `y` unchanged' );
avercosBy(0, x, 1, y, 1, accessor);
t.deepEqual(y, expected, 'returns `y` unchanged');

t.end();
});

tape( 'the function supports negative strides', function test( t ) {
tape('the function supports negative strides', function test(t) {
var expected;
var x;
var y;
Expand All @@ -224,21 +228,21 @@ tape( 'the function supports negative strides', function test( t ) {
];
N = 3;

avercosBy( N, x, -2, y, -1, accessor );
avercosBy(N, x, -2, y, -1, accessor);

expected = [
avercos( x[ 0 ] ),
avercos( x[ 2 ] ),
avercos( x[ 4 ] ),
avercos(x[0]),
avercos(x[2]),
avercos(x[4]),
0.0,
0.0
];

t.deepEqual( y, expected, 'deep equal' );
t.deepEqual(y, expected, 'deep equal');
t.end();
});

tape( 'the function supports complex access patterns', function test( t ) {
tape('the function supports complex access patterns', function test(t) {
var expected;
var x;
var y;
Expand All @@ -262,22 +266,22 @@ tape( 'the function supports complex access patterns', function test( t ) {
];
N = 3;

avercosBy( N, x, 2, y, -1, accessor );
avercosBy(N, x, 2, y, -1, accessor);

expected = [
avercos( x[ 4 ] ),
avercos( x[ 2 ] ),
avercos( x[ 0 ] ),
avercos(x[4]),
avercos(x[2]),
avercos(x[0]),
0.0,
0.0,
0.0
];

t.deepEqual( y, expected, 'deep equal' );
t.deepEqual(y, expected, 'deep equal');
t.end();
});

tape( 'the function supports view offsets', function test( t ) {
tape('the function supports view offsets', function test(t) {
var expected;
var x0;
var y0;
Expand All @@ -304,41 +308,41 @@ tape( 'the function supports view offsets', function test( t ) {
]);

// Create offset views...
x1 = new Float64Array( x0.buffer, x0.BYTES_PER_ELEMENT*1 ); // begin at 2nd element
y1 = new Float64Array( y0.buffer, y0.BYTES_PER_ELEMENT*3 ); // begin at the 4th element
x1 = new Float64Array(x0.buffer, x0.BYTES_PER_ELEMENT * 1); // begin at 2nd element
y1 = new Float64Array(y0.buffer, y0.BYTES_PER_ELEMENT * 3); // begin at the 4th element

N = 3;

avercosBy( N, x1, -2, y1, 1, accessor );
avercosBy(N, x1, -2, y1, 1, accessor);
expected = new Float64Array([
0.0,
0.0,
0.0,
avercos( x0[ 5 ] ),
avercos( x0[ 3 ] ),
avercos( x0[ 1 ] )
avercos(x0[5]),
avercos(x0[3]),
avercos(x0[1])
]);

t.deepEqual( y0, expected, 'deep equal' );
t.deepEqual(y0, expected, 'deep equal');
t.end();
});

tape( 'the function supports providing a callback execution context', function test( t ) {
tape('the function supports providing a callback execution context', function test(t) {
var ctx;
var x;
var y;

x = [ rand(), rand(), rand(), rand(), rand() ];
y = [ 0.0, 0.0, 0.0, 0.0, 0.0 ];
x = [rand(), rand(), rand(), rand(), rand()];
y = [0.0, 0.0, 0.0, 0.0, 0.0];
ctx = {
'count': 0
};
avercosBy( x.length, x, 1, y, 1, accessor, ctx );
avercosBy(x.length, x, 1, y, 1, accessor, ctx);

t.strictEqual( ctx.count, x.length, 'returns expected value' );
t.strictEqual(ctx.count, x.length, 'returns expected value');
t.end();

function accessor( v ) {
function accessor(v) {
this.count += 1; // eslint-disable-line no-invalid-this
return v;
}
Expand Down
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