1 files changed, 2 insertions, 84 deletions
diff --git a/libc/src/math/generic/exp2f16.cpp b/libc/src/math/generic/exp2f16.cpp
index 5db0c3a..80799d4 100644
--- a/libc/src/math/generic/exp2f16.cpp
+++ b/libc/src/math/generic/exp2f16.cpp
@@ -7,92 +7,10 @@
 //===----------------------------------------------------------------------===//
 
 #include "src/math/exp2f16.h"
-#include "hdr/errno_macros.h"
-#include "hdr/fenv_macros.h"
-#include "src/__support/FPUtil/FEnvImpl.h"
-#include "src/__support/FPUtil/FPBits.h"
-#include "src/__support/FPUtil/cast.h"
-#include "src/__support/FPUtil/except_value_utils.h"
-#include "src/__support/FPUtil/rounding_mode.h"
-#include "src/__support/common.h"
-#include "src/__support/macros/config.h"
-#include "src/__support/macros/optimization.h"
-#include "src/__support/math/expxf16_utils.h"
+#include "src/__support/math/exp2f16.h"
 
 namespace LIBC_NAMESPACE_DECL {
 
-#ifndef LIBC_MATH_HAS_SKIP_ACCURATE_PASS
-static constexpr fputil::ExceptValues<float16, 3> EXP2F16_EXCEPTS = {{
-    // (input, RZ output, RU offset, RD offset, RN offset)
-    // x = 0x1.714p-11, exp2f16(x) = 0x1p+0 (RZ)
-    {0x11c5U, 0x3c00U, 1U, 0U, 1U},
-    // x = -0x1.558p-4, exp2f16(x) = 0x1.e34p-1 (RZ)
-    {0xad56U, 0x3b8dU, 1U, 0U, 0U},
-    // x = -0x1.d5cp-4, exp2f16(x) = 0x1.d8cp-1 (RZ)
-    {0xaf57U, 0x3b63U, 1U, 0U, 0U},
-}};
-#endif // !LIBC_MATH_HAS_SKIP_ACCURATE_PASS
-
-LLVM_LIBC_FUNCTION(float16, exp2f16, (float16 x)) {
-  using namespace math::expxf16_internal;
-  using FPBits = fputil::FPBits<float16>;
-  FPBits x_bits(x);
-
-  uint16_t x_u = x_bits.uintval();
-  uint16_t x_abs = x_u & 0x7fffU;
-
-  // When |x| >= 16, or x is NaN.
-  if (LIBC_UNLIKELY(x_abs >= 0x4c00U)) {
-    // exp2(NaN) = NaN
-    if (x_bits.is_nan()) {
-      if (x_bits.is_signaling_nan()) {
-        fputil::raise_except_if_required(FE_INVALID);
-        return FPBits::quiet_nan().get_val();
-      }
-
-      return x;
-    }
-
-    // When x >= 16.
-    if (x_bits.is_pos()) {
-      // exp2(+inf) = +inf
-      if (x_bits.is_inf())
-        return FPBits::inf().get_val();
-
-      switch (fputil::quick_get_round()) {
-      case FE_TONEAREST:
-      case FE_UPWARD:
-        fputil::set_errno_if_required(ERANGE);
-        fputil::raise_except_if_required(FE_OVERFLOW);
-        return FPBits::inf().get_val();
-      default:
-        return FPBits::max_normal().get_val();
-      }
-    }
-
-    // When x <= -25.
-    if (x_u >= 0xce40U) {
-      // exp2(-inf) = +0
-      if (x_bits.is_inf())
-        return FPBits::zero().get_val();
-
-      fputil::set_errno_if_required(ERANGE);
-      fputil::raise_except_if_required(FE_UNDERFLOW | FE_INEXACT);
-
-      if (fputil::fenv_is_round_up())
-        return FPBits::min_subnormal().get_val();
-      return FPBits::zero().get_val();
-    }
-  }
-
-#ifndef LIBC_MATH_HAS_SKIP_ACCURATE_PASS
-  if (auto r = EXP2F16_EXCEPTS.lookup(x_u); LIBC_UNLIKELY(r.has_value()))
-    return r.value();
-#endif // !LIBC_MATH_HAS_SKIP_ACCURATE_PASS
-
-  // exp2(x) = exp2(hi + mid) * exp2(lo)
-  auto [exp2_hi_mid, exp2_lo] = exp2_range_reduction(x);
-  return fputil::cast<float16>(exp2_hi_mid * exp2_lo);
-}
+LLVM_LIBC_FUNCTION(float16, exp2f16, (float16 x)) { return math::exp2f16(x); }
 
 } // namespace LIBC_NAMESPACE_DECL