runtime/lib/double.dart - Issue 113833002: Add num.sign getter.

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Unified Diff: runtime/lib/double.dart

Issue 113833002: Add num.sign getter. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart

Patch Set: Changed to return same type as the number (double for doubles, int for ints). Returns -0.0 for -0.0… Created 7 years ago

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Index: runtime/lib/double.dart

diff --git a/runtime/lib/double.dart b/runtime/lib/double.dart

index c5b2c38156fadf276781a60003f152997041159b..8efe789865fccc5b3150c4336f5db26d05fc7cd5 100644

--- a/runtime/lib/double.dart

+++ b/runtime/lib/double.dart

@@ -104,6 +104,12 @@ class _Double implements double {

return this < 0.0 ? -this : this;

}

+ double get sign {

+ if (this > 0.0) return 1.0;

+ if (this < 0.0) return -1.0;

+ return this; // +/-0.0 or NaN.

+ }

int round() => roundToDouble().toInt();

int floor() => floorToDouble().toInt();

int ceil () => ceilToDouble().toInt();

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