[builtins] Unify Atanh, Cbrt and Expm1 as exports from flibm.

test/unittests/base/ieee754-unittest.cc

Index: test/unittests/base/ieee754-unittest.cc
diff --git a/test/unittests/base/ieee754-unittest.cc b/test/unittests/base/ieee754-unittest.cc
index 25ea26c9fae06e59955de96a80bd4a5cb0e338f4..5f98eff863fe099a116e6dc085599fbd39e10b9c 100644
--- a/test/unittests/base/ieee754-unittest.cc
+++ b/test/unittests/base/ieee754-unittest.cc
@@ -54,6 +54,15 @@ TEST(Ieee754, Atan2) {
                          -std::numeric_limits<double>::infinity()));
 }
 
+TEST(Ieee754, Atanh) {
+  EXPECT_THAT(atanh(std::numeric_limits<double>::quiet_NaN()), IsNaN());
+  EXPECT_THAT(atanh(std::numeric_limits<double>::signaling_NaN()), IsNaN());
+  EXPECT_THAT(atanh(std::numeric_limits<double>::infinity()), IsNaN());
+  EXPECT_EQ(std::numeric_limits<double>::infinity(), atanh(1));
+  EXPECT_EQ(-std::numeric_limits<double>::infinity(), atanh(-1));
+  EXPECT_DOUBLE_EQ(0.54930614433405478, atanh(0.5));
+}
+
 TEST(Ieee754, Exp) {
   EXPECT_THAT(exp(std::numeric_limits<double>::quiet_NaN()), IsNaN());
   EXPECT_THAT(exp(std::numeric_limits<double>::signaling_NaN()), IsNaN());
@@ -82,6 +91,20 @@ TEST(Ieee754, Exp) {
             exp(std::numeric_limits<double>::infinity()));
 }
 
+TEST(Ieee754, Expm1) {
+  EXPECT_THAT(expm1(std::numeric_limits<double>::quiet_NaN()), IsNaN());
+  EXPECT_THAT(expm1(std::numeric_limits<double>::signaling_NaN()), IsNaN());
+  EXPECT_EQ(-1.0, expm1(-std::numeric_limits<double>::infinity()));
+  EXPECT_EQ(std::numeric_limits<double>::infinity(),
+            expm1(std::numeric_limits<double>::infinity()));
+  EXPECT_EQ(0.0, expm1(-0.0));
+  EXPECT_EQ(0.0, expm1(0.0));
+  EXPECT_EQ(1.718281828459045, expm1(1.0));
+  EXPECT_EQ(2.6881171418161356e+43, expm1(100.0));
+  EXPECT_EQ(8.218407461554972e+307, expm1(709.0));
+  EXPECT_EQ(std::numeric_limits<double>::infinity(), expm1(710.0));
+}
+
 TEST(Ieee754, Log) {
   EXPECT_THAT(log(std::numeric_limits<double>::quiet_NaN()), IsNaN());
   EXPECT_THAT(log(std::numeric_limits<double>::signaling_NaN()), IsNaN());
@@ -146,6 +169,18 @@ TEST(Ieee754, Log10) {
   EXPECT_EQ(-0.9083828622192334, log10(0.12348583358871));
 }
 
+TEST(Ieee754, cbrt) {
+  EXPECT_THAT(cbrt(std::numeric_limits<double>::quiet_NaN()), IsNaN());
+  EXPECT_THAT(cbrt(std::numeric_limits<double>::signaling_NaN()), IsNaN());
+  EXPECT_EQ(std::numeric_limits<double>::infinity(),
+            cbrt(std::numeric_limits<double>::infinity()));
+  EXPECT_EQ(-std::numeric_limits<double>::infinity(),
+            cbrt(-std::numeric_limits<double>::infinity()));
+  EXPECT_EQ(1.4422495703074083, cbrt(3));
+  EXPECT_EQ(100, cbrt(100 * 100 * 100));
+  EXPECT_EQ(46.415888336127786, cbrt(100000));
+}
+
 }  // namespace ieee754
 }  // namespace base
 }  // namespace v8