[libc] Fix build breaks caused by f16sqrtf changes

[overmighty]

See Buildbot failures:

• https://lab.llvm.org/buildbot/#/builders/78/builds/13
• https://lab.llvm.org/buildbot/#/builders/182/builds/7

[overmighty]

cc @lntue

[llvmbot]

@llvm/pr-subscribers-libc

Author: OverMighty (overmighty)

Changes

---

Full diff: https://github.com/llvm/llvm-project/pull/95459.diff

3 Files Affected:

• (modified) libc/test/src/math/smoke/CMakeLists.txt (+3)
• (modified) libc/test/src/stdfix/ISqrtTest.h (+1-1)
• (modified) libc/test/src/stdfix/SqrtTest.h (+2-1)

diff --git a/libc/test/src/math/smoke/CMakeLists.txt b/libc/test/src/math/smoke/CMakeLists.txt
index 3bb87d2b0d0f3..3e9edc51b004f 100644
--- a/libc/test/src/math/smoke/CMakeLists.txt
+++ b/libc/test/src/math/smoke/CMakeLists.txt
@@ -2597,6 +2597,9 @@ add_fp_unittest(
   HDRS
     SqrtTest.h
   DEPENDS
+    # The dependency on sqrtf128 is used to disable the test when float128
+    # support is not available.
+    libc.src.math.sqrtf128
     libc.src.__support.FPUtil.generic.sqrt
   COMPILE_OPTIONS
     -O3
diff --git a/libc/test/src/stdfix/ISqrtTest.h b/libc/test/src/stdfix/ISqrtTest.h
index ddf292fdd083f..692488b383551 100644
--- a/libc/test/src/stdfix/ISqrtTest.h
+++ b/libc/test/src/stdfix/ISqrtTest.h
@@ -55,7 +55,7 @@ template <typename T> class ISqrtTest : public LIBC_NAMESPACE::testing::Test {
       x_d += 1.0;
       ++x;
       OutType result = func(x);
-      double expected = LIBC_NAMESPACE::fputil::sqrt(x_d);
+      double expected = LIBC_NAMESPACE::fputil::sqrt<double>(x_d);
       testSpecificInput(x, result, expected, ERR);
     }
   }
diff --git a/libc/test/src/stdfix/SqrtTest.h b/libc/test/src/stdfix/SqrtTest.h
index 47ec129fab2ae..2a8a825abb460 100644
--- a/libc/test/src/stdfix/SqrtTest.h
+++ b/libc/test/src/stdfix/SqrtTest.h
@@ -49,7 +49,8 @@ template <typename T> class SqrtTest : public LIBC_NAMESPACE::testing::Test {
       T v = LIBC_NAMESPACE::cpp::bit_cast<T>(x);
       double v_d = static_cast<double>(v);
       double errors = LIBC_NAMESPACE::fputil::abs(
-          static_cast<double>(func(v)) - LIBC_NAMESPACE::fputil::sqrt(v_d));
+          static_cast<double>(func(v)) -
+          LIBC_NAMESPACE::fputil::sqrt<double>(v_d));
       if (errors > ERR) {
         // Print out the failure input and output.
         EXPECT_EQ(v, zero);