Make ~/, round, ceil, floor, truncate return ints. Remove toInt.

sdk/lib/core/double.dart

Index: sdk/lib/core/double.dart
diff --git a/sdk/lib/core/double.dart b/sdk/lib/core/double.dart
index 7b82213aaabadd8c09c31d7b1efebb571cf8a491..45a415f9cca0d0e32df81cd0e340e8ed5b5e20f9 100644
--- a/sdk/lib/core/double.dart
+++ b/sdk/lib/core/double.dart
@@ -47,7 +47,7 @@ abstract class double extends num {
    * The result of the truncating division [:a ~/ b:] is equivalent to
    * [:(a / b).truncate():].
    */
-  double operator ~/(num other);
+  int operator ~/(num other);
 
   /** Negate operator. */
   double operator -();
@@ -56,24 +56,31 @@ abstract class double extends num {
   double abs();
 
   /**
-   * Returns the integer value closest to this [double].
+   * Returns the integer closest to [this].  Throws a [FormatException] if

[Lasse Reichstein Nielsen, 2013/01/04 10:29:42]

UnsupportedError.

+   * [this] cannot be converted.
    *
    * Rounds away from zero when there is no closest integer:
    *  [:(3.5).round() == 4:] and [:(-3.5).round() == -4:].
    */
-  double round();
+  int round();
 
-  /** Returns the greatest integer value no greater than this [double]. */
-  double floor();
+  /**
+   * Returns the greatest integer no greater than [this] Throws a
+   * [FormatException] if [this] cannot be converted.
+   */
+  int floor();
 
-  /** Returns the least integer value that is no smaller than this [double]. */
-  double ceil();
+  /**
+   * Returns the least integer that is no smaller than [this]. Throws a
+   * [FormatException] if [this] cannot be converted.
+   */
+  int ceil();
 
   /**
-   * Returns the integer value obtained by discarding any fractional
-   * digits from this [double].
+   * Returns the integer obtained by discarding any fractional digits from
+   * [this]. Throws a [FormatException] if [this] cannot be converted.
    */
-  double truncate();
+  int truncate();
 
   /**
    * Provide a representation of this [double] value.