feat(add c implementation): add stats/base/dists/erlang/mean

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---

Author: vivekmaurya001

lib/node_modules/@stdlib/stats/base/dists/erlang/mean/benchmark/benchmark.native.js

@@ -22,9 +22,10 @@
 
 var resolve = require( 'path' ).resolve;
 var bench = require( '@stdlib/bench' );
+var discreteUniform = require( '@stdlib/random/base/discrete-uniform' );
+var uniform = require( '@stdlib/random/base/uniform' );
 var Float64Array = require( '@stdlib/array/float64' );
-var ceil = require( '@stdlib/math/base/special/ceil' );
-var randu = require( '@stdlib/random/base/randu' );
+var Int32Array = require( '@stdlib/array/int32' );
 var EPS = require( '@stdlib/constants/float64/eps' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var tryRequire = require( '@stdlib/utils/try-require' );
@@ -49,11 +50,11 @@ bench( pkg+'::native', opts, function benchmark( b ) {
 	var i;
 
 	len = 100;
-	k = new Float64Array( len );
+	k = new Int32Array( len );
 	lambda = new Float64Array( len );
 	for ( i = 0; i < len; i++ ) {
-		lambda[ i ] = ( randu()*10.0 ) + EPS;
-		k[ i ] = ceil( randu()*10.0 );
+		k[ i ] = discreteUniform( 1, 10 );
+		lambda[ i ] = uniform( EPS, 10.0 );
 	}
 
 	b.tic();