Added hard to round, formatting

Author: meltq

libc/test/src/math/exhaustive/hypotf16_test.cpp

@@ -6,54 +6,54 @@
 //
 //===----------------------------------------------------------------------===//
 
-// #include "exhaustive_test.h"
-// #include "src/__support/FPUtil/FPBits.h"
-// #include "src/__support/FPUtil/Hypot.h"
-// #include "src/math/hypotf16.h"
-// #include "test/UnitTest/FPMatcher.h"
-// #include "utils/MPFRWrapper/MPFRUtils.h"
-//
-// namespace mpfr = LIBC_NAMESPACE::testing::mpfr;
-//
-// // Range of both inputs: [0, inf]
-// static constexpr uint16_t START = 0x0000U;
-// static constexpr uint16_t STOP = 0x7C00U;
-//
-// struct Hypotf16Checker : public virtual LIBC_NAMESPACE::testing::Test {
-//   using FloatType = float16;
-//   using FPBits = LIBC_NAMESPACE::fputil::FPBits<float16>;
-//   using StorageType = typename FPBits::StorageType;
-//
-//   uint64_t check(uint16_t start, uint16_t stop, mpfr::RoundingMode rounding)
-//   {
-//     mpfr::ForceRoundingMode r(rounding);
-//     if (!r.success)
-//       return true;
-//     uint16_t xbits = start;
-//     uint64_t failed = 0;
-//     do {
-//       float16 x = FPBits(xbits).get_val();
-//       uint16_t ybits = xbits;
-//       do {
-//         float16 y = FPBits(ybits).get_val();
-//         bool correct = TEST_FP_EQ(LIBC_NAMESPACE::fputil::hypot(x, y),
-//                                   LIBC_NAMESPACE::hypotf16(x, y));
-//         // Using MPFR will be much slower.
-//         // mpfr::BinaryInput<float16> input{x, y};
-//         // bool correct = TEST_MPFR_MATCH_ROUNDING_SILENTLY(
-//         //  mpfr::Operation::Hypot, input, LIBC_NAMESPACE::hypotf16(x, y),
-//         0.5,
-//         //  rounding);
-//         failed += (!correct);
-//       } while (ybits++ < STOP);
-//     } while (xbits++ < stop);
-//     return failed;
-//   }
-// };
-//
-// using LlvmLibcHypotf16ExhaustiveTest =
-//     LlvmLibcExhaustiveMathTest<Hypotf16Checker>;
-//
-// TEST_F(LlvmLibcHypotf16ExhaustiveTest, PositiveRange) {
-//   test_full_range_all_roundings(START, STOP);
-// }
+#include "exhaustive_test.h"
+#include "src/__support/FPUtil/FPBits.h"
+#include "src/__support/FPUtil/Hypot.h"
+#include "src/math/hypotf16.h"
+#include "test/UnitTest/FPMatcher.h"
+#include "utils/MPFRWrapper/MPFRUtils.h"
+
+namespace mpfr = LIBC_NAMESPACE::testing::mpfr;
+
+// Range of both inputs: [0, inf]
+static constexpr uint16_t START = 0x0000U;
+static constexpr uint16_t STOP = 0x7C00U;
+
+struct Hypotf16Checker : public virtual LIBC_NAMESPACE::testing::Test {
+  using FloatType = float16;
+  using FPBits = LIBC_NAMESPACE::fputil::FPBits<float16>;
+  using StorageType = typename FPBits::StorageType;
+
+  uint64_t check(uint16_t start, uint16_t stop, mpfr::RoundingMode rounding)
+  {
+    mpfr::ForceRoundingMode r(rounding);
+    if (!r.success)
+      return true;
+    uint16_t xbits = start;
+    uint64_t failed = 0;
+    do {
+      float16 x = FPBits(xbits).get_val();
+      uint16_t ybits = xbits;
+      do {
+        float16 y = FPBits(ybits).get_val();
+        bool correct = TEST_FP_EQ(LIBC_NAMESPACE::fputil::hypot(x, y),
+                                  LIBC_NAMESPACE::hypotf16(x, y));
+        // Using MPFR will be much slower.
+        // mpfr::BinaryInput<float16> input{x, y};
+        // bool correct = TEST_MPFR_MATCH_ROUNDING_SILENTLY(
+        //  mpfr::Operation::Hypot, input, LIBC_NAMESPACE::hypotf16(x, y),
+        // 0.5,
+        //  rounding);
+        failed += (!correct);
+      } while (ybits++ < STOP);
+    } while (xbits++ < stop);
+    return failed;
+  }
+};
+
+using LlvmLibcHypotf16ExhaustiveTest =
+    LlvmLibcExhaustiveMathTest<Hypotf16Checker>;
+
+TEST_F(LlvmLibcHypotf16ExhaustiveTest, PositiveRange) {
+  test_full_range_all_roundings(START, STOP);
+}