Use constantFunction, consolidate conditionals, and add empty lines

Planeshifter · Planeshifter · commit a5d2e2c9c9bd · 2017-09-20T22:47:34.000-04:00
diff --git a/lib/node_modules/@stdlib/math/base/dist/laplace/logpdf/lib/factory.js b/lib/node_modules/@stdlib/math/base/dist/laplace/logpdf/lib/factory.js
@@ -2,10 +2,10 @@
 
 // MODULES //
 
+var constantFunction = require( '@stdlib/utils/constant-function' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var abs = require( '@stdlib/math/base/special/abs' );
 var ln = require( '@stdlib/math/base/special/ln' );
-var nan = require( './nan.js' );
 
 
 // MAIN //
@@ -35,7 +35,7 @@ function factory( mu, b ) {
 		isnan( b ) ||
 		b <= 0.0
 	) {
-		return nan;
+		return constantFunction( NaN );
 	}
 	return logpdf;
 
diff --git a/lib/node_modules/@stdlib/math/base/dist/laplace/logpdf/lib/logpdf.js b/lib/node_modules/@stdlib/math/base/dist/laplace/logpdf/lib/logpdf.js
@@ -20,21 +20,27 @@ var ln = require( '@stdlib/math/base/special/ln' );
 * @example
 * var y = logpdf( 2.0, 0.0, 1.0 );
 * // returns ~-2.688
+*
 * @example
 * var y = logpdf( -1.0, 2.0, 3.0 );
 * // returns ~-2.797
+*
 * @example
 * var y = logpdf( 2.5, 2.0, 3.0 );
 * // returns ~-1.959
+*
 * @example
 * var y = logpdf( NaN, 0.0, 1.0 );
 * // returns NaN
+*
 * @example
 * var y = logpdf( 0.0, NaN, 1.0 );
 * // returns NaN
+*
 * @example
 * var y = logpdf( 0.0, 0.0, NaN );
 * // returns NaN
+*
 * @example
 * // Negative scale parameter:
 * var y = logpdf( 2.0, 0.0, -1.0 );
@@ -45,13 +51,11 @@ function logpdf( x, mu, b ) {
 	if (
 		isnan( x ) ||
 		isnan( mu ) ||
-		isnan( b )
+		isnan( b ) ||
+		b <= 0.0
 	) {
 		return NaN;
 	}
-	if ( b <= 0.0 ) {
-		return NaN;
-	}
 	z = ( x - mu ) / b;
 	return -( abs( z ) + ln( 2.0 * b ) );
 } // end FUNCTION logpdf()
diff --git a/lib/node_modules/@stdlib/math/base/dist/laplace/logpdf/lib/nan.js b/lib/node_modules/@stdlib/math/base/dist/laplace/logpdf/lib/nan.js
