test/java/lang/Math/HypotTests.java

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*** 23,36 **** /* * @test * @bug 4851638 4939441 * @summary Tests for {Math, StrictMath}.hypot * @author Joseph D. Darcy */ ! import sun.misc.DoubleConsts; public class HypotTests { private HypotTests(){} static final double infinityD = Double.POSITIVE_INFINITY; --- 23,39 ---- /* * @test * @bug 4851638 4939441 * @summary Tests for {Math, StrictMath}.hypot + * @library /lib/testlibrary + * @build jdk.testlibrary.DoubleUtils jdk.testlibrary.FloatUtils + * @run main HypotTests * @author Joseph D. Darcy */ ! import static jdk.testlibrary.DoubleUtils.*; public class HypotTests { private HypotTests(){} static final double infinityD = Double.POSITIVE_INFINITY;
*** 84,95 **** testCases[i][2]); } // Verify hypot(x, 0.0) is close to x over the entire exponent // range. ! for(int i = DoubleConsts.MIN_SUB_EXPONENT; ! i <= DoubleConsts.MAX_EXPONENT; i++) { double input = Math.scalb(2, i); failures += testHypotCase(input, 0.0, input); } --- 87,98 ---- testCases[i][2]); } // Verify hypot(x, 0.0) is close to x over the entire exponent // range. ! for(int i = MIN_SUB_EXPONENT; ! i <= Double.MAX_EXPONENT; i++) { double input = Math.scalb(2, i); failures += testHypotCase(input, 0.0, input); }
*** 123,133 **** */ java.util.Random rand = new java.util.Random(); for(int i = 0; i < 1000; i++) { double d = rand.nextDouble(); // Scale d to have an exponent equal to MAX_EXPONENT -15 ! d = Math.scalb(d, DoubleConsts.MAX_EXPONENT -15 - Tests.ilogb(d)); for(int j = 0; j <= 13; j += 1) { failures += testHypotCase(3*d, 4*d, 5*d, 2.5); d *= 2.0; // increase exponent by 1 } --- 126,136 ---- */ java.util.Random rand = new java.util.Random(); for(int i = 0; i < 1000; i++) { double d = rand.nextDouble(); // Scale d to have an exponent equal to MAX_EXPONENT -15 ! d = Math.scalb(d, Double.MAX_EXPONENT -15 - Tests.ilogb(d)); for(int j = 0; j <= 13; j += 1) { failures += testHypotCase(3*d, 4*d, 5*d, 2.5); d *= 2.0; // increase exponent by 1 }