diff --git a/libc/src/math/generic/expxf.h b/libc/src/math/generic/expxf.h
diff --git a/libc/src/math/generic/sinhf.cpp b/libc/src/math/generic/sinhf.cpp
@@ -8,7 +8,7 @@
 
 #include "src/math/sinhf.h"
 #include "src/__support/FPUtil/FPBits.h"
-#include "src/math/generic/expxf.h"
+#include "src/math/generic/explogxf.h"
 
 namespace __llvm_libc {
 

diff --git a/libc/src/math/generic/tanhf.cpp b/libc/src/math/generic/tanhf.cpp
@@ -8,7 +8,7 @@
 
 #include "src/math/tanhf.h"
 #include "src/__support/FPUtil/FPBits.h"
-#include "src/math/generic/expxf.h"
+#include "src/math/generic/explogxf.h"
 
 namespace __llvm_libc {
 

diff --git a/libc/test/src/math/CMakeLists.txt b/libc/test/src/math/CMakeLists.txt
@@ -1319,14 +1319,16 @@ add_fp_unittest(
 )
 
 add_fp_unittest(
-  expxf_test
+  explogxf_test
   NEED_MPFR
   SUITE
     libc_math_unittests
+  HDRS
+    in_float_range_test_helper.h
   SRCS
-    expxf_test.cpp
+    explogxf_test.cpp
   DEPENDS
-    libc.src.math.generic.common_constants
+    libc.src.math.generic.explogxf
     libc.src.__support.FPUtil.fputil
 )
 

diff --git a/libc/test/src/math/explogxf_test.cpp b/libc/test/src/math/explogxf_test.cpp
@@ -0,0 +1,55 @@
+//===-- Unittests for explogxf --------------------------------------------===//
+//
+// 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 "in_float_range_test_helper.h"
+#include "src/__support/FPUtil/FPBits.h"
+#include "src/math/generic/explogxf.h"
+#include "utils/MPFRWrapper/MPFRUtils.h"
+#include "utils/UnitTest/FPMatcher.h"
+#include "utils/UnitTest/Test.h"
+#include <math.h>
+
+namespace mpfr = __llvm_libc::testing::mpfr;
+
+DECLARE_SPECIAL_CONSTANTS(float)
+
+constexpr int def_count = 100003;
+constexpr float def_prec = 0.500001f;
+
+TEST(LlvmLibcExpxfTest, InFloatRange) {
+  auto fx = [](float x) -> float {
+    auto result = __llvm_libc::exp_eval<-1>(x);
+    return static_cast<float>(2 * result.mult_exp * result.r +
+                              2 * result.mult_exp);
+  };
+  auto f_check = [](float x) -> bool {
+    return !(
+        (isnan(x) || isinf(x) || x < -70 || x > 70 || fabsf(x) < 0x1.0p-10));
+  };
+  CHECK_DATA(0.0f, neg_inf, mpfr::Operation::Exp, fx, f_check, def_count,
+             def_prec);
+}
+
+TEST(LlvmLibcExp2xfTest, InFloatRange) {
+  auto f_check = [](float x) -> bool {
+    return !(
+        (isnan(x) || isinf(x) || x < -130 || x > 130 || fabsf(x) < 0x1.0p-10));
+  };
+  CHECK_DATA(0.0f, neg_inf, mpfr::Operation::Exp2, __llvm_libc::exp2_eval,
+             f_check, def_count, def_prec);
+}
+
+TEST(LlvmLibcLog2xfTest, InFloatRange) {
+  CHECK_DATA(0.0f, inf, mpfr::Operation::Log2, __llvm_libc::log2_eval, isnormal,
+             def_count, def_prec);
+}
+
+TEST(LlvmLibcLogxfTest, InFloatRange) {
+  CHECK_DATA(0.0f, inf, mpfr::Operation::Log, __llvm_libc::log_eval, isnormal,
+             def_count, def_prec);
+}
diff --git a/libc/test/src/math/expxf_test.cpp b/libc/test/src/math/expxf_test.cpp
diff --git a/libc/test/src/math/in_float_range_test_helper.h b/libc/test/src/math/in_float_range_test_helper.h
@@ -0,0 +1,26 @@
+//
+// Created by kirill on 8/30/22.
+//
+
+#ifndef LLVM_IN_FLOAT_RANGE_TEST_HELPER_H
+#define LLVM_IN_FLOAT_RANGE_TEST_HELPER_H
+
+#include <stdint.h>
+
+#define CHECK_DATA(start, stop, mfp_op, f, f_check, count, prec)               \
+  {                                                                            \
+    uint64_t ustart = FPBits(start).uintval();                                 \
+    uint64_t ustop = FPBits(stop).uintval();                                   \
+    for (uint64_t i = 0;; ++i) {                                               \
+      uint64_t v = ustart + (ustop - ustart) * i / count;                      \
+      if (v > ustop)                                                           \
+        break;                                                                 \
+      float x = FPBits(uint32_t(v)).get_val();                                 \
+      if ((f_check)(x)) {                                                      \
+        EXPECT_MPFR_MATCH_ALL_ROUNDING(mfp_op, x, static_cast<float>((f)(x)),  \
+                                       (prec));                                \
+      }                                                                        \
+    }                                                                          \
+  }
+
+#endif // LLVM_IN_FLOAT_RANGE_TEST_HELPER_H