1 files changed, 29 insertions, 0 deletions
diff --git a/libc/test/src/math/sqrtbf16_test.cpp b/libc/test/src/math/sqrtbf16_test.cpp
new file mode 100644
index 000000000000..186ddd548713
--- /dev/null
+++ b/libc/test/src/math/sqrtbf16_test.cpp
@@ -0,0 +1,29 @@
+//===-- Exhaustive test for sqrtbf16 --------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "src/__support/FPUtil/bfloat16.h"
+#include "src/math/sqrtbf16.h"
+#include "test/UnitTest/FPMatcher.h"
+#include "test/UnitTest/Test.h"
+#include "utils/MPFRWrapper/MPFRUtils.h"
+
+using LlvmLibcSqrtf16Test = LIBC_NAMESPACE::testing::FPTest<bfloat16>;
+
+namespace mpfr = LIBC_NAMESPACE::testing::mpfr;
+
+// range: [0, inf]
+static constexpr uint16_t POS_START = 0x0000U;
+static constexpr uint16_t POS_STOP = 0x7f80U;
+
+TEST_F(LlvmLibcSqrtf16Test, PositiveRange) {
+  for (uint16_t v = POS_START; v <= POS_STOP; ++v) {
+    bfloat16 x = FPBits(v).get_val();
+    EXPECT_MPFR_MATCH_ALL_ROUNDING(mpfr::Operation::Sqrt, x,
+                                   LIBC_NAMESPACE::sqrtbf16(x), 0.5);
+  }
+}