function float64ToFloat32( x ) {
	FLOAT32_VIEW[ 0 ] = x;
	return FLOAT32_VIEW[ 0 ];
}
Converts a double-precision floating-point number to the nearest single-precision floating-point number.

@param {number} x - double-precision floating-point number
@returns {number} nearest single-precision floating-point number

@example
var y = float64ToFloat32( 1.337 );
// returns 1.3370000123977661