updated tests and docs and changed deg2rad impl

Author: AlisaLC

lib/node_modules/@stdlib/math/base/special/sind/README.md

@@ -27,21 +27,21 @@ limitations under the License.
 ## Usage
 
 ```javascript
-var sin = require( '@stdlib/math/base/special/sin' );
+var sind = require( '@stdlib/math/base/special/sind' );
 ```
 
-#### sin( x )
+#### sind( x )
 
-Computes the [sine][sine] of a `number` (in radians).
+Computes the [sine][sine] of a `number` (in degress).
 
 ```javascript
-var v = sin( 0.0 );
+var v = sind( 0.0 );
 // returns ~0.0
 
-v = sin( 3.141592653589793/2.0 );
+v = sind( 90 );
 // returns ~1.0
 
-v = sin( -3.141592653589793/6.0 );
+v = sind( -30 );
 // returns ~-0.5
 ```
 
@@ -57,14 +57,13 @@ v = sin( -3.141592653589793/6.0 );
 
 ```javascript
 var linspace = require( '@stdlib/array/base/linspace' );
-var TWO_PI = require( '@stdlib/constants/float64/two-pi' );
-var sin = require( '@stdlib/math/base/special/sin' );
+var sind = require( '@stdlib/math/base/special/sind' );
 
-var x = linspace( 0.0, TWO_PI, 100 );
+var x = linspace( 0.0, 360, 555 );
 
 var i;
 for ( i = 0; i < x.length; i++ ) {
-    console.log( sin( x[ i ] ) );
+    console.log( sind( x[ i ] ) );
 }
 ```
 
@@ -81,7 +80,7 @@ for ( i = 0; i < x.length; i++ ) {
 ## See Also
 
 -   <span class="package-name">[`@stdlib/math/base/special/cos`][@stdlib/math/base/special/cos]</span><span class="delimiter">: </span><span class="description">compute the cosine of a number.</span>
--   <span class="package-name">[`@stdlib/math/base/special/sinpi`][@stdlib/math/base/special/sinpi]</span><span class="delimiter">: </span><span class="description">compute sin(πx).</span>
+-   <span class="package-name">[`@stdlib/math/base/special/sin`][@stdlib/math/base/special/sin]</span><span class="delimiter">: </span><span class="description">compute the sine of a number.</span>
 -   <span class="package-name">[`@stdlib/math/base/special/tan`][@stdlib/math/base/special/tan]</span><span class="delimiter">: </span><span class="description">evaluate the tangent of a number.</span>
 
 </section>
@@ -98,7 +97,7 @@ for ( i = 0; i < x.length; i++ ) {
 
 [@stdlib/math/base/special/cos]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/math/base/special/cos
 
-[@stdlib/math/base/special/sinpi]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/math/base/special/sinpi
+[@stdlib/math/base/special/sin]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/math/base/special/sin
 
 [@stdlib/math/base/special/tan]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/math/base/special/tan
 

lib/node_modules/@stdlib/math/base/special/sind/lib/sind.js

@@ -22,10 +22,9 @@
 
 var isnan = require('@stdlib/math/base/assert/is-nan');
 var isinfinite = require('@stdlib/math/base/assert/is-infinite');
-var abs = require('@stdlib/math/base/special/abs');
 var kernelSin = require('@stdlib/math/base/special/kernel-sin');
 var kernelCos = require('@stdlib/math/base/special/kernel-cos');
-var PI = require('@stdlib/constants/float64/pi');
+var deg2rad = require('@stdlib/math/base/special/deg2rad')
 
 /**
 * Compute the sine of a number.
@@ -48,10 +47,6 @@ var PI = require('@stdlib/constants/float64/pi');
 * // returns NaN
 */
 
-function deg2rad(x) {
-	return (x * PI) / 180;
-}
-
 function sind(x) {
 	if (isinfinite(x)) {
 		return NaN;

lib/node_modules/@stdlib/math/base/special/sind/package.json

@@ -1,7 +1,7 @@
 {
-  "name": "@stdlib/math/base/special/sin",
+  "name": "@stdlib/math/base/special/sind",
   "version": "0.0.0",
-  "description": "Compute the sine of a number.",
+  "description": "Compute the sine of a number (in degrees).",
   "license": "Apache-2.0",
   "author": {
     "name": "The Stdlib Authors",
@@ -15,7 +15,6 @@
   ],
   "main": "./lib",
   "directories": {
-    "benchmark": "./benchmark",
     "doc": "./docs",
     "example": "./examples",
     "lib": "./lib",
@@ -55,6 +54,7 @@
     "math",
     "math.sin",
     "sin",
+    "sind",
     "sine",
     "trig",
     "trigonometry",

lib/node_modules/@stdlib/math/base/special/sind/test/test.js

@@ -64,7 +64,7 @@ tape( 'the function computes the sine (medium negative values)', function test(
 			t.equal( y, expected[ i ], 'x: '+x[i]+'. Expected: '+expected[i] );
 		} else {
 			delta = abs( y - expected[ i ] );
-			tol = EPS * abs( expected[ i ] );
+			tol = 3.0 * EPS * abs( expected[ i ] );
 			t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. y: '+y+'. E: '+expected[i]+'. tol: '+tol+'. Δ: '+delta+'.' );
 		}
 	}
@@ -88,7 +88,7 @@ tape( 'the function computes the sine (medium positive values)', function test(
 			t.equal( y, expected[ i ], 'x: '+x[i]+'. Expected: '+expected[i] );
 		} else {
 			delta = abs( y - expected[ i ] );
-			tol = EPS * abs( expected[ i ] );
+			tol = 3.0 * EPS * abs( expected[ i ] );
 			t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. y: '+y+'. E: '+expected[i]+'. tol: '+tol+'. Δ: '+delta+'.' );
 		}
 	}
@@ -112,7 +112,7 @@ tape( 'the function computes the sine (large negative values)', function test( t
 			t.equal( y, expected[ i ], 'x: '+x[i]+'. Expected: '+expected[i] );
 		} else {
 			delta = abs( y - expected[ i ] );
-			tol = EPS * abs( expected[ i ] );
+			tol = 3.0 * EPS * abs( expected[ i ] );
 			t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. y: '+y+'. E: '+expected[i]+'. tol: '+tol+'. Δ: '+delta+'.' );
 		}
 	}
@@ -136,7 +136,7 @@ tape( 'the function computes the sine (large positive values)', function test( t
 			t.equal( y, expected[ i ], 'x: '+x[i]+'. Expected: '+expected[i] );
 		} else {
 			delta = abs( y - expected[ i ] );
-			tol = EPS * abs( expected[ i ] );
+			tol = 3.0 * EPS * abs( expected[ i ] );
 			t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. y: '+y+'. E: '+expected[i]+'. tol: '+tol+'. Δ: '+delta+'.' );
 		}
 	}
@@ -160,7 +160,7 @@ tape( 'the function computes the sine (huge negative values)', function test( t
 			t.equal( y, expected[ i ], 'x: '+x[i]+'. Expected: '+expected[i] );
 		} else {
 			delta = abs( y - expected[ i ] );
-			tol = EPS * abs( expected[ i ] );
+			tol = 3.0 * EPS * abs( expected[ i ] );
 			t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. y: '+y+'. E: '+expected[i]+'. tol: '+tol+'. Δ: '+delta+'.' );
 		}
 	}
@@ -184,7 +184,7 @@ tape( 'the function computes the sine (huge positive values)', function test( t
 			t.equal( y, expected[ i ], 'x: '+x[i]+'. Expected: '+expected[i] );
 		} else {
 			delta = abs( y - expected[ i ] );
-			tol = EPS * abs( expected[ i ] );
+			tol = 3.0 * EPS * abs( expected[ i ] );
 			t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. y: '+y+'. E: '+expected[i]+'. tol: '+tol+'. Δ: '+delta+'.' );
 		}
 	}