Use constantFunction and add empty lines

Planeshifter · Planeshifter · commit feb9b18f9849 · 2017-09-20T21:55:22.000-04:00
diff --git a/lib/node_modules/@stdlib/math/base/dist/exponential/pdf/lib/factory.js b/lib/node_modules/@stdlib/math/base/dist/exponential/pdf/lib/factory.js
@@ -2,9 +2,9 @@
 
 // MODULES //
 
+var constantFunction = require( '@stdlib/utils/constant-function' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var exp = require( '@stdlib/math/base/special/exp' );
-var nan = require( './nan.js' );
 var PINF = require( '@stdlib/math/constants/float64-pinf' );
 
 
@@ -27,7 +27,7 @@ var PINF = require( '@stdlib/math/constants/float64-pinf' );
 function factory( lambda ) {
 	var scale;
 	if ( isnan( lambda ) || lambda < 0.0 || lambda === PINF ) {
-		return nan;
+		return constantFunction( NaN );
 	}
 	scale = 1.0 / lambda;
 	return pdf;
diff --git a/lib/node_modules/@stdlib/math/base/dist/exponential/pdf/lib/nan.js b/lib/node_modules/@stdlib/math/base/dist/exponential/pdf/lib/nan.js
diff --git a/lib/node_modules/@stdlib/math/base/dist/exponential/pdf/lib/pdf.js b/lib/node_modules/@stdlib/math/base/dist/exponential/pdf/lib/pdf.js
@@ -19,18 +19,23 @@ var PINF = require( '@stdlib/math/constants/float64-pinf' );
 * @example
 * var y = pdf( 0.3, 4.0 );
 * // returns ~1.205
+*
 * @example
 * var y = pdf( 2.0, 0.7 );
 * // returns ~0.173
+*
 * @example
 * var y = pdf( -1.0, 0.5 );
 * // returns 0.0
+*
 * @example
 * var y = pdf( 0, NaN );
 * // returns NaN
+*
 * @example
 * var y = pdf( NaN, 2.0 );
 * // returns NaN
+*
 * @example
 * // Negative rate:
 * var y = pdf( 2.0, -1.0 );
