Defined (1)

The class is defined in the following location(s).

/modules/tiled-gallery/math/class-constrained-array-rounding.php  

class Jetpack_Constrained_Array_Rounding { 
    public static function get_rounded_constrained_array( $bound_array, $sum = false ) { 
        // Convert associative arrays before working with them and convert them back before returning the values 
        $keys = array_keys( $bound_array ); 
        $bound_array = array_values( $bound_array ); 
 
        $bound_array_int = self::get_int_floor_array( $bound_array ); 
 
        $lower_sum = array_sum( wp_list_pluck( $bound_array_int, 'floor' ) ); 
        if ( ! $sum || ( $sum < $lower_sum ) ) { 
            // If value of sum is not supplied or is invalid, calculate the sum that the returned array is constrained to match 
            $sum = array_sum( $bound_array ); 
        } 
        $diff_sum = $sum - $lower_sum; 
 
        self::adjust_constrained_array( $bound_array_int, $diff_sum ); 
 
        $bound_array_fin = wp_list_pluck( $bound_array_int, 'floor' ); 
        return array_combine( $keys, $bound_array_fin ); 
    } 
 
    private static function get_int_floor_array( $bound_array ) { 
        $bound_array_int_floor = array(); 
        foreach ( $bound_array as $i => $value ) { 
            $bound_array_int_floor[$i] = array( 
                'floor' => (int) floor( $value ),  
                'fraction' => $value - floor( $value ),  
                'index' => $i,  
 ); 
        } 
 
        return $bound_array_int_floor; 
    } 
 
    private static function adjust_constrained_array( &$bound_array_int, $adjustment ) { 
        usort( $bound_array_int, array( 'self', 'cmp_desc_fraction' ) ); 
 
        $start = 0; 
        $end = $adjustment - 1; 
        $length = count( $bound_array_int ); 
 
        for ( $i = $start; $i <= $end; $i++ ) { 
            $bound_array_int[ $i % $length ]['floor']++; 
        } 
 
        usort( $bound_array_int, array( 'self', 'cmp_asc_index' ) ); 
    } 
 
    private static function cmp_desc_fraction( $a, $b ) { 
        if ( $a['fraction'] == $b['fraction'] ) 
            return 0; 
        return $a['fraction'] > $b['fraction'] ? -1 : 1; 
    } 
 
    private static function cmp_asc_index( $a, $b ) { 
        if ( $a['index'] == $b['index'] ) 
            return 0; 
        return $a['index'] < $b['index'] ? -1 : 1; 
    } 
}