diff options
Diffstat (limited to 'test/411-optimizing-arith/src/Main.java')
| -rw-r--r-- | test/411-optimizing-arith/src/Main.java | 34 |
1 files changed, 0 insertions, 34 deletions
diff --git a/test/411-optimizing-arith/src/Main.java b/test/411-optimizing-arith/src/Main.java index 4de2271ebd..a22c516ff4 100644 --- a/test/411-optimizing-arith/src/Main.java +++ b/test/411-optimizing-arith/src/Main.java @@ -74,7 +74,6 @@ public class Main { public static void main(String[] args) { mul(); - neg(); } public static void mul() { @@ -164,34 +163,6 @@ public class Main { expectEquals(Double.POSITIVE_INFINITY, $opt$Mul(Double.NEGATIVE_INFINITY, Double.NEGATIVE_INFINITY)); } - public static void neg() { - expectEquals(-1, $opt$Neg(1)); - expectEquals(1, $opt$Neg(-1)); - expectEquals(0, $opt$Neg(0)); - expectEquals(51, $opt$Neg(-51)); - expectEquals(-51, $opt$Neg(51)); - expectEquals(2147483647, $opt$Neg(-2147483647)); // (2^31 - 1) - expectEquals(-2147483647, $opt$Neg(2147483647)); // -(2^31 - 1) - // From the Java 7 SE Edition specification: - // http://docs.oracle.com/javase/specs/jls/se7/html/jls-15.html#jls-15.15.4 - // - // For integer values, negation is the same as subtraction from - // zero. The Java programming language uses two's-complement - // representation for integers, and the range of two's-complement - // values is not symmetric, so negation of the maximum negative - // int or long results in that same maximum negative number. - // Overflow occurs in this case, but no exception is thrown. - // For all integer values x, -x equals (~x)+1.'' - expectEquals(-2147483648, $opt$Neg(-2147483648)); // -(2^31) - - $opt$InplaceNegOne(1); - } - - public static void $opt$InplaceNegOne(int a) { - a = -a; - expectEquals(-1, a); - } - static int $opt$Mul(int a, int b) { return a * b; } @@ -207,9 +178,4 @@ public class Main { static double $opt$Mul(double a, double b) { return a * b; } - - static int $opt$Neg(int a){ - return -a; - } - } |