function setFloat32( arr, idx, value ) {
	arr[ idx ] = value;
}
Sets an element in a `Float32Array`.

@private
@param {Float32Array} arr - input array
@param {NonNegativeInteger} idx - element index
@param {number} value - value to set

@example
var Float32Array = require( '@stdlib/array/float32' );

var arr = new Float32Array( 4 );

setFloat32( arr, 2, 3.0 );

var v = arr[ 2 ];
// returns 3.0