diff --git a/lib/node_modules/@stdlib/math/strided/special/avercos-by/test/test.main.js b/lib/node_modules/@stdlib/math/strided/special/avercos-by/test/test.main.js index 467ff2cf1222..d57de4b52a0e 100644 --- a/lib/node_modules/@stdlib/math/strided/special/avercos-by/test/test.main.js +++ b/lib/node_modules/@stdlib/math/strided/special/avercos-by/test/test.main.js @@ -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; @@ -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; @@ -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; @@ -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; @@ -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; @@ -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; @@ -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; @@ -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; }