feat: improve benchmark.c

---
type: pre_commit_static_analysis_report
description: Results of running static analysis checks when committing changes.
report:
  - task: lint_filenames
    status: passed
  - task: lint_editorconfig
    status: passed
  - task: lint_markdown
    status: na
  - task: lint_package_json
    status: na
  - task: lint_repl_help
    status: na
  - task: lint_javascript_src
    status: na
  - task: lint_javascript_cli
    status: na
  - task: lint_javascript_examples
    status: na
  - task: lint_javascript_tests
    status: na
  - task: lint_javascript_benchmarks
    status: passed
  - task: lint_python
    status: na
  - task: lint_r
    status: na
  - task: lint_c_src
    status: na
  - task: lint_c_examples
    status: na
  - task: lint_c_benchmarks
    status: missing_dependencies
  - task: lint_c_tests_fixtures
    status: na
  - task: lint_shell
    status: na
  - task: lint_typescript_declarations
    status: na
  - task: lint_typescript_tests
    status: na
  - task: lint_license_headers
    status: passed
---

---
type: pre_push_report
description: Results of running various checks prior to pushing changes.
report:
  - task: run_javascript_examples
    status: na
  - task: run_c_examples
    status: passed
  - task: run_cpp_examples
    status: na
  - task: run_javascript_readme_examples
    status: passed
  - task: run_c_benchmarks
    status: passed
  - task: run_cpp_benchmarks
    status: na
  - task: run_fortran_benchmarks
    status: na
  - task: run_javascript_benchmarks
    status: failed
---

Author: saurabhraghuvanshii

lib/node_modules/@stdlib/stats/base/dists/t/quantile/benchmark/benchmark.native.js

@@ -32,9 +32,9 @@ var pkg = require( './../package.json' ).name;
 
 // VARIABLES //
 
-var skewness = tryRequire( resolve( __dirname, './../lib/native.js' ) );
+var quantile = tryRequire( resolve( __dirname, './../lib/native.js' ) );
 var opts = {
-	'skip': ( skewness instanceof Error )
+	'skip': ( quantile instanceof Error )
 };
 
 
@@ -54,7 +54,7 @@ bench( pkg+'::native', opts, function benchmark( b ) {
 
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
-		y = skewness( v[ i % len ] );
+		y = quantile( v[ i % len ] );
 		if ( isnan( y ) ) {
 			b.fail( 'should not return NaN' );
 		}
@@ -65,4 +65,4 @@ bench( pkg+'::native', opts, function benchmark( b ) {
 	}
 	b.pass( 'benchmark finished' );
 	b.end();
-});
+});

lib/node_modules/@stdlib/stats/base/dists/t/quantile/benchmark/c/benchmark.c

@@ -21,6 +21,7 @@
 #include <stdio.h>
 #include <math.h>
 #include <time.h>
+#include <sys/time.h>
 
 #define NAME "t-quantile"
 #define ITERATIONS 1000000
@@ -103,7 +104,7 @@ static double benchmark( void ) {
 
 	t = tic();
 	for ( i = 0; i < ITERATIONS; i++ ) {
-		y = stdlib_base_dists_t_skewness( v[ i % 100 ] );
+		y = stdlib_base_dists_t_quantile( v[ i % 100 ] );
 		if ( y != y ) {
 			printf( "should not return NaN\n" );
 			break;