refactor: query default dtype

Author: kgryte

lib/node_modules/@stdlib/array/linspace/lib/main.js

@@ -28,6 +28,7 @@ var dtype = require( '@stdlib/complex/dtype' );
 var ctors = require( '@stdlib/array/typed-float-ctors' );
 var reinterpret64 = require( '@stdlib/strided/base/reinterpret-complex64' );
 var reinterpret128 = require( '@stdlib/strided/base/reinterpret-complex128' );
+var DEFAULTS = require( '@stdlib/array/defaults' );
 var format = require( '@stdlib/string/format' );
 var genreal = require( './generic_real.js' );
 var gencmplx = require( './generic_complex.js' );
@@ -37,6 +38,11 @@ var validate = require( './validate.js' );
 var defaults = require( './defaults.json' );
 
 
+// VARIABLES //
+
+var DEFAULT_COMPLEX_DTYPE = DEFAULTS.get( 'dtypes.complex_floating_point' );
+
+
 // MAIN //
 
 /**
@@ -110,7 +116,7 @@ function linspace( start, stop, len ) {
 		opts.dtype = dt1; // one of 'float64' || 'complex64' || 'complex128'
 	} else {
 		// If dtypes are different, then at least one is a complex number. According to type promotion rules, for all possible dtype permutations, the default output data type should be 'complex128'...
-		opts.dtype = 'complex128';
+		opts.dtype = DEFAULT_COMPLEX_DTYPE;
 	}
 	if ( arguments.length > 3 ) {
 		err = validate( opts, arguments[ 3 ] );