libc/test/src/math/inv_trigf_utils_test.cpp

   1 //===-- Unittests for supfuncf --------------------------------------------===//
   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 "in_float_range_test_helper.h"
  10 #include "src/__support/FPUtil/FPBits.h"
  11 #include "src/math/generic/inv_trigf_utils.h"
  12 #include "test/UnitTest/FPMatcher.h"
  13 #include "test/UnitTest/Test.h"
  14 #include "utils/MPFRWrapper/MPFRUtils.h"
  15 #include <math.h>
  16
  17 using LlvmLibcAtanfTest = LIBC_NAMESPACE::testing::FPTest<float>;
  18
  19 namespace mpfr = LIBC_NAMESPACE::testing::mpfr;
  20
  21 constexpr int def_count = 100003;
  22 constexpr float def_prec = 0.500001f;
  23
  24 auto f_normal = [](float x) -> bool { return !(isnan(x) || isinf(x)); };
  25
  26 TEST_F(LlvmLibcAtanfTest, InPositiveRange) {
  27   CHECK_DATA(0.0f, inf, mpfr::Operation::Atan, LIBC_NAMESPACE::atan_eval,
  28              f_normal, def_count, def_prec);
  29 }
  30
  31 TEST_F(LlvmLibcAtanfTest, InNegativeRange) {
  32   CHECK_DATA(-0.0f, neg_inf, mpfr::Operation::Atan, LIBC_NAMESPACE::atan_eval,
  33              f_normal, def_count, def_prec);
  34 }