/* * Copyright (C) 2010 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package benchmarks.regression; /** * Many of these tests are bogus in that the cost will vary wildly depending on inputs. * For _my_ current purposes, that's okay. But beware! */ public class StrictMathBenchmark { private final double d = 1.2; private final float f = 1.2f; private final int i = 1; private final long l = 1L; /* Values for full line coverage of ceiling function */ private static final double[] CEIL_DOUBLES = new double[] { 3245817.2018463886, 1418139.083668501, 3.572936802189103E15, -4.7828929737254625E249, 213596.58636369856, 6.891928421440976E-96, -7.9318566885477E-36, -1.9610339084804148E15, -4.696725715628246E10, 3742491.296880909, 7.140274745333553E11 }; /* Values for full line coverage of floor function */ private static final double[] FLOOR_DOUBLES = new double[] { 7.140274745333553E11, 3742491.296880909, -4.696725715628246E10, -1.9610339084804148E15, 7.049948629370372E-56, -7.702933170334643E-16, -1.99657681810579, -1.1659287182288336E236, 4.085518816513057E15, -1500948.440658056, -2.2316479921415575E7 }; public void timeAbsD(int reps) { for (int rep = 0; rep < reps; ++rep) { StrictMath.abs(d); } } public void timeAbsF(int reps) { for (int rep = 0; rep < reps; ++rep) { StrictMath.abs(f); } } public void timeAbsI(int reps) { for (int rep = 0; rep < reps; ++rep) { StrictMath.abs(i); } } public void timeAbsL(int reps) { for (int rep = 0; rep < reps; ++rep) { StrictMath.abs(l); } } public void timeAcos(int reps) { for (int rep = 0; rep < reps; ++rep) { StrictMath.acos(d); } } public void timeAsin(int reps) { for (int rep = 0; rep < reps; ++rep) { StrictMath.asin(d); } } public void timeAtan(int reps) { for (int rep = 0; rep < reps; ++rep) { StrictMath.atan(d); } } public void timeAtan2(int reps) { for (int rep = 0; rep < reps; ++rep) { StrictMath.atan2(3, 4); } } public void timeCbrt(int reps) { for (int rep = 0; rep < reps; ++rep) { StrictMath.cbrt(d); } } public void timeCeilOverInterestingValues(int reps) { for (int rep = 0; rep < reps; ++rep) { for (int i = 0; i < CEIL_DOUBLES.length; ++i) { StrictMath.ceil(CEIL_DOUBLES[i]); } } } public void timeCopySignD(int reps) { for (int rep = 0; rep < reps; ++rep) { StrictMath.copySign(d, d); } } public void timeCopySignF(int reps) { for (int rep = 0; rep < reps; ++rep) { StrictMath.copySign(f, f); } } public void timeCos(int reps) { for (int rep = 0; rep < reps; ++rep) { StrictMath.cos(d); } } public void timeCosh(int reps) { for (int rep = 0; rep < reps; ++rep) { StrictMath.cosh(d); } } public void timeExp(int reps) { for (int rep = 0; rep < reps; ++rep) { StrictMath.exp(d); } } public void timeExpm1(int reps) { for (int rep = 0; rep < reps; ++rep) { StrictMath.expm1(d); } } public void timeFloorOverInterestingValues(int reps) { for (int rep = 0; rep < reps; ++rep) { for (int i = 0; i < FLOOR_DOUBLES.length; ++i) { StrictMath.floor(FLOOR_DOUBLES[i]); } } } public void timeGetExponentD(int reps) { for (int rep = 0; rep < reps; ++rep) { StrictMath.getExponent(d); } } public void timeGetExponentF(int reps) { for (int rep = 0; rep < reps; ++rep) { StrictMath.getExponent(f); } } public void timeHypot(int reps) { for (int rep = 0; rep < reps; ++rep) { StrictMath.hypot(d, d); } } public void timeIEEEremainder(int reps) { for (int rep = 0; rep < reps; ++rep) { StrictMath.IEEEremainder(d, d); } } public void timeLog(int reps) { for (int rep = 0; rep < reps; ++rep) { StrictMath.log(d); } } public void timeLog10(int reps) { for (int rep = 0; rep < reps; ++rep) { StrictMath.log10(d); } } public void timeLog1p(int reps) { for (int rep = 0; rep < reps; ++rep) { StrictMath.log1p(d); } } public void timeMaxD(int reps) { for (int rep = 0; rep < reps; ++rep) { StrictMath.max(d, d); } } public void timeMaxF(int reps) { for (int rep = 0; rep < reps; ++rep) { StrictMath.max(f, f); } } public void timeMaxI(int reps) { for (int rep = 0; rep < reps; ++rep) { StrictMath.max(i, i); } } public void timeMaxL(int reps) { for (int rep = 0; rep < reps; ++rep) { StrictMath.max(l, l); } } public void timeMinD(int reps) { for (int rep = 0; rep < reps; ++rep) { StrictMath.min(d, d); } } public void timeMinF(int reps) { for (int rep = 0; rep < reps; ++rep) { StrictMath.min(f, f); } } public void timeMinI(int reps) { for (int rep = 0; rep < reps; ++rep) { StrictMath.min(i, i); } } public void timeMinL(int reps) { for (int rep = 0; rep < reps; ++rep) { StrictMath.min(l, l); } } public void timeNextAfterD(int reps) { for (int rep = 0; rep < reps; ++rep) { StrictMath.nextAfter(d, d); } } public void timeNextAfterF(int reps) { for (int rep = 0; rep < reps; ++rep) { StrictMath.nextAfter(f, f); } } public void timeNextUpD(int reps) { for (int rep = 0; rep < reps; ++rep) { StrictMath.nextUp(d); } } public void timeNextUpF(int reps) { for (int rep = 0; rep < reps; ++rep) { StrictMath.nextUp(f); } } public void timePow(int reps) { for (int rep = 0; rep < reps; ++rep) { StrictMath.pow(d, d); } } public void timeRandom(int reps) { for (int rep = 0; rep < reps; ++rep) { StrictMath.random(); } } public void timeRint(int reps) { for (int rep = 0; rep < reps; ++rep) { StrictMath.rint(d); } } public void timeRoundD(int reps) { for (int rep = 0; rep < reps; ++rep) { StrictMath.round(d); } } public void timeRoundF(int reps) { for (int rep = 0; rep < reps; ++rep) { StrictMath.round(f); } } public void timeScalbD(int reps) { for (int rep = 0; rep < reps; ++rep) { StrictMath.scalb(d, 5); } } public void timeScalbF(int reps) { for (int rep = 0; rep < reps; ++rep) { StrictMath.scalb(f, 5); } } public void timeSignumD(int reps) { for (int rep = 0; rep < reps; ++rep) { StrictMath.signum(d); } } public void timeSignumF(int reps) { for (int rep = 0; rep < reps; ++rep) { StrictMath.signum(f); } } public void timeSin(int reps) { for (int rep = 0; rep < reps; ++rep) { StrictMath.sin(d); } } public void timeSinh(int reps) { for (int rep = 0; rep < reps; ++rep) { StrictMath.sinh(d); } } public void timeSqrt(int reps) { for (int rep = 0; rep < reps; ++rep) { StrictMath.sqrt(d); } } public void timeTan(int reps) { for (int rep = 0; rep < reps; ++rep) { StrictMath.tan(d); } } public void timeTanh(int reps) { for (int rep = 0; rep < reps; ++rep) { StrictMath.tanh(d); } } public void timeToDegrees(int reps) { for (int rep = 0; rep < reps; ++rep) { StrictMath.toDegrees(d); } } public void timeToRadians(int reps) { for (int rep = 0; rep < reps; ++rep) { StrictMath.toRadians(d); } } public void timeUlpD(int reps) { for (int rep = 0; rep < reps; ++rep) { StrictMath.ulp(d); } } public void timeUlpF(int reps) { for (int rep = 0; rep < reps; ++rep) { StrictMath.ulp(f); } } }