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

   1 //===-- Exhaustive test for tanhf -----------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #include "exhaustive_test.h"
  10 #include "src/math/tanhf.h"
  11 #include "utils/MPFRWrapper/MPFRUtils.h"
  12
  13 namespace mpfr = LIBC_NAMESPACE::testing::mpfr;
  14
  15 using LlvmLibcTanhfExhaustiveTest =
  16     LlvmLibcUnaryOpExhaustiveMathTest<float, mpfr::Operation::Tanh,
  17                                       LIBC_NAMESPACE::tanhf>;
  18
  19 // Range: [0, Inf];
  20 static constexpr uint32_t POS_START = 0x0000'0000U;
  21 static constexpr uint32_t POS_STOP = 0x7f80'0000U;
  22
  23 TEST_F(LlvmLibcTanhfExhaustiveTest, PostiveRange) {
  24   test_full_range_all_roundings(POS_START, POS_STOP);
  25 }
  26
  27 // Range: [-Inf, 0];
  28 static constexpr uint32_t NEG_START = 0xb000'0000U;
  29 static constexpr uint32_t NEG_STOP = 0xff80'0000U;
  30
  31 TEST_F(LlvmLibcTanhfExhaustiveTest, NegativeRange) {
  32   test_full_range_all_roundings(NEG_START, NEG_STOP);
  33 }