medfall

commit 9f7069f632d04362cf2834fb6d3d629f02e9885b
parent f47b1dd02a0c87590d30fe2a7b508cb738db0f1e
Author: Michael Savage <mikejsavage@gmail.com>
Date:   Sat May 13 15:30:43 +0300

array2d::row

Diffstat:
array.h
 | 
10
+++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/array.h b/array.h
@@ -115,7 +115,7 @@ public:
 	}
 
 	array2d( array< T > a, size_t width, size_t height ) {
-		ASSERT( width * height <= a.n );
+		ASSERT( width * height == a.n );
 		elems = a.ptr();
 		w = width;
 		h = height;
@@ -143,6 +143,14 @@ public:
 		return elems;
 	}
 
+	array< T > row( size_t row ) {
+		return array< T >( elems + row * w, w );
+	}
+
+	const array< T > row( size_t row ) const {
+		return array< T >( elems + row * w, w );
+	}
+
 	size_t num_bytes() const {
 		return sizeof( T ) * w * h;
 	}