ARM: Special code for raising to the power of an integer...

test/mjsunit/math-pow.js

+// Copyright 2010 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+//       copyright notice, this list of conditions and the following
+//       disclaimer in the documentation and/or other materials provided
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Tests the special cases specified by ES 15.8.2.13
+
+// Simple sanity check
+assertEquals(4, Math.pow(2, 2));
+assertEquals(2147483648, Math.pow(2, 31));
+assertEquals(0.25, Math.pow(2, -2));
+assertEquals(0.0625, Math.pow(2, -4));
+assertEquals(1, Math.pow(1, 100));
+assertEquals(0, Math.pow(0, 1000));
+
+// Spec tests
+assertEquals(NaN, Math.pow(2, NaN));
+assertEquals(NaN, Math.pow(+0, NaN));
+assertEquals(NaN, Math.pow(-0, NaN));
+assertEquals(NaN, Math.pow(Infinity, NaN));
+assertEquals(NaN, Math.pow(-Infinity, NaN));
+
+assertEquals(1, Math.pow(NaN, +0));
+assertEquals(1, Math.pow(NaN, -0));
+
+assertEquals(NaN, Math.pow(NaN, NaN));
+assertEquals(NaN, Math.pow(NaN, 2.2));
+assertEquals(NaN, Math.pow(NaN, 1));
+assertEquals(NaN, Math.pow(NaN, -1));
+assertEquals(NaN, Math.pow(NaN, -2.2));
+assertEquals(NaN, Math.pow(NaN, Infinity));
+assertEquals(NaN, Math.pow(NaN, -Infinity));
+
+assertEquals(Infinity, Math.pow(1.1, Infinity));
+assertEquals(Infinity, Math.pow(-1.1, Infinity));
+assertEquals(Infinity, Math.pow(2, Infinity));
+assertEquals(Infinity, Math.pow(-2, Infinity));
+
+assertEquals(+0, Math.pow(1.1, -Infinity));
+assertEquals(+0, Math.pow(-1.1, -Infinity));
+assertEquals(+0, Math.pow(2, -Infinity));
+assertEquals(+0, Math.pow(-2, -Infinity));
+
+assertEquals(NaN, Math.pow(1, Infinity));
+assertEquals(NaN, Math.pow(1, -Infinity));
+assertEquals(NaN, Math.pow(-1, Infinity));
+assertEquals(NaN, Math.pow(-1, -Infinity));
+
+assertEquals(+0, Math.pow(0.1, Infinity));
+assertEquals(+0, Math.pow(-0.1, Infinity));
+assertEquals(+0, Math.pow(0.999, Infinity));
+assertEquals(+0, Math.pow(-0.999, Infinity));
+
+assertEquals(Infinity, Math.pow(0.1, -Infinity));
+assertEquals(Infinity, Math.pow(-0.1, -Infinity));
+assertEquals(Infinity, Math.pow(0.999, -Infinity));
+assertEquals(Infinity, Math.pow(-0.999, -Infinity));
+
+assertEquals(Infinity, Math.pow(Infinity, 0.1));
+assertEquals(Infinity, Math.pow(Infinity, 2));
+
+assertEquals(+0, Math.pow(Infinity, -0.1));
+assertEquals(+0, Math.pow(Infinity, -2));
+
+assertEquals(-Infinity, Math.pow(-Infinity, 3));
+assertEquals(-Infinity, Math.pow(-Infinity, 13));
+
+assertEquals(Infinity, Math.pow(-Infinity, 3.1));
+assertEquals(Infinity, Math.pow(-Infinity, 2));
+
+assertEquals(-0, Math.pow(-Infinity, -3));
+assertEquals(-0, Math.pow(-Infinity, -13));
+
+assertEquals(+0, Math.pow(-Infinity, -3.1));
+assertEquals(+0, Math.pow(-Infinity, -2));
+
+assertEquals(+0, Math.pow(+0, 1.1));
+assertEquals(+0, Math.pow(+0, 2));
+
+assertEquals(Infinity, Math.pow(+0, -1.1));
+assertEquals(Infinity, Math.pow(+0, -2));
+
+assertEquals(-0, Math.pow(-0, 3));
+assertEquals(-0, Math.pow(-0, 13));
+
+assertEquals(+0, Math.pow(-0, 3.1));
+assertEquals(+0, Math.pow(-0, 2));
+
+assertEquals(-Infinity, Math.pow(-0, -3));
+assertEquals(-Infinity, Math.pow(-0, -13));
+
+assertEquals(Infinity, Math.pow(-0, -3.1));
+assertEquals(Infinity, Math.pow(-0, -2));
+
+assertEquals(NaN, Math.pow(-0.00001, 1.1));
+assertEquals(NaN, Math.pow(-0.00001, -1.1));
+assertEquals(NaN, Math.pow(-1.1, 1.1));
+assertEquals(NaN, Math.pow(-1.1, -1.1));
+assertEquals(NaN, Math.pow(-2, 1.1));
+assertEquals(NaN, Math.pow(-2, -1.1));
+assertEquals(NaN, Math.pow(-1000, 1.1));
+assertEquals(NaN, Math.pow(-1000, -1.1));