function csum( N, x, strideX, offsetX ) {
	return csumkbn( N, x, strideX, offsetX );
}
Computes the sum of single-precision complex floating-point strided array elements.

@param {PositiveInteger} N - number of indexed elements
@param {Complex64Array} x - input array
@param {integer} strideX - stride length
@param {NonNegativeInteger} offsetX - starting index
@returns {Complex64} sum

@example
var Complex64Array = require( '@stdlib/array/complex64' );

var x = new Complex64Array( [ 1.0, -2.0, 2.0, 3.0 ] );

var v = csum( x.length, x, 1, 0 );
// returns <Complex64>[ 3.0, 1.0 ]