Additional check for

Author: mukeshpanchal27

plugins/auto-sizes/includes/improve-calculate-sizes.php

@@ -200,7 +200,11 @@ function auto_sizes_calculate_better_sizes( int $id, $size, string $align, int $
 
 		case 'wide':
 			$layout_width = auto_sizes_get_layout_width( 'wide' );
-			if ( str_ends_with( $layout_width, 'px' ) ) {
+			if (
+				str_ends_with( $layout_width, 'px' ) &&
+				( $container_relative_width > 0.0 ||
+				$container_relative_width < 1.0 )
+			) {
 				// First remove 'px' from width.
 				$layout_width = str_replace( 'px', '', $layout_width );
 				// Convert to float for better precision.
@@ -220,7 +224,11 @@ function auto_sizes_calculate_better_sizes( int $id, $size, string $align, int $
 			 * If the layout width is in pixels, we can compare against the image width
 			 * on the server. Otherwise, we need to rely on CSS functions.
 			 */
-			if ( str_ends_with( $layout_width, 'px' ) ) {
+			if (
+				str_ends_with( $layout_width, 'px' ) &&
+				( $container_relative_width > 0.0 ||
+				$container_relative_width < 1.0 )
+			) {
 				// First remove 'px' from width.
 				$layout_width = str_replace( 'px', '', $layout_width );
 				// Convert to float for better precision.
@@ -337,7 +345,10 @@ function auto_sizes_filter_render_block_context( array $context, array $block, ?
 			}
 
 			// Multiply with parent's width if available.
-			if ( isset( $parent_block->context['container_relative_width'] ) ) {
+			if (
+				isset( $parent_block->context['container_relative_width'] ) &&
+				( $current_width > 0.0 || $current_width < 1.0 )
+			) {
 				$context['container_relative_width'] = $parent_block->context['container_relative_width'] * $current_width;
 			} else {
 				$context['container_relative_width'] = $current_width;