Generated by SassMeister.com.

SassMeister-input.scss

// ----
// Sass (v3.4.4)
// Compass (v1.0.1)
// ----


$px-only: true;
$pxBase : 16; /* 1 */

@function parseInt($n) {
	@return $n / ($n * 0 + 1); /* 2 */
}

@function u($values){ /* 3 */

      $list: (); /* 4 */

      @each $value in $values { /* 5 */

            $unit : unit($value); /* 6 */
            $val  : parseInt($value); /* 2 */

			@if $value == 0 or type-of($value) != "number" {
				$list: append($list, $value);
			}
			
            @else if ($px-only) and ($unit == 'rem') { /* 7 */
				$list: append($list, ($val * $pxBase) + px); /* 7 */
            }

            @else if($unit == 'px') or ($unit == 'rem'){ /* 8 */
				$list: append($list, $value); /* 8 */
            }

            @else {
				$list: append($list, $value); /* 8 */
            }
      }

      @return $list(); /* 10 */
}


/************************
	SQUARE ROOTS
*************************/

$pi: 	3.1415926535897932384626433832795028841971693993751;
$e: 	2.71828182845904523536028747135266249775724709369995;
$iter: 	50;

//////////////////////////////
// Random Number
// Working from http://xkcd.com/221/
// Chosen by fair dice roll.
// Guarenteed to be random.
//////////////////////////////

@function rand() {
	@return 4;
}

/*/////////////////////////////
// Exponent
/////////////////////////////*/

@function exponent($base, $exponent) {
	// reset value
	$value: $base;
	
	// positive intergers get multiplied
	@if $exponent > 1 {
		@for $i from 2 through $exponent {
			$value: $value * $base; 
		}
	}
			
	// negitive intergers get divided. A number divided by itself is 1
	@if $exponent < 1 {
		@for $i from 0 through -$exponent {
			$value: $value / $base;
		}
	}
	// return the last value written
	@return $value;
}


@function pow($base, $exponent) {
	@return exponent($base, $exponent);
}

@function sqrt($number) {
	$guess: rand();
	$root: $guess;
	@for $i from 1 through $iter {
		$root: $root - (pow($root, 2) - $number) / (2 * $root);
	}
	@return $root;
}

/*************************************
This converts columns to pixels based 
on the $content width 
*************************************/

@function column-px( $content, $column){
	$container: ($content) / 12 * $column;
	@return ($container) * $column;
}


@mixin diamond( $width ){

	$sqrt: sqrt(2);
	$math: ($sqrt * $width);
	$diag: ($math / 2);

	width: $diag;
	height: $diag;
	overflow: hidden;


	display: inline-block;
	margin: 0 auto;
	
	> img, 
	> div {

		width: $diag * 1.42105263158;
		height: $diag * 1.42105263158;
		max-width: $diag * 1.42105263158;
	}
}

$wrap: u(20rem);
$small:column-px($wrap, 4);

.cutout{
	&-small{ @include diamond($small); }
}

SassMeister-output.css

Undefined operation: "320px/12 times 4".