libc/test/src/math/exhaustive/fmodf16_test.cpp

   1 //===-- Exhaustive test for fmodf16 ---------------------------------------===//
   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/fmodf16.h"
  11 #include "utils/MPFRWrapper/MPFRUtils.h"
  12
  13 namespace mpfr = LIBC_NAMESPACE::testing::mpfr;
  14
  15 using LlvmLibcFmodf16ExhaustiveTest =
  16     LlvmLibcBinaryOpExhaustiveMathTest<float16, mpfr::Operation::Fmod,
  17                                        LIBC_NAMESPACE::fmodf16>;
  18
  19 // Range: [0, Inf];
  20 static constexpr uint16_t POS_START = 0x0000U;
  21 static constexpr uint16_t POS_STOP = 0x7c00U;
  22
  23 // Range: [-Inf, 0];
  24 static constexpr uint16_t NEG_START = 0x8000U;
  25 static constexpr uint16_t NEG_STOP = 0xfc00U;
  26
  27 TEST_F(LlvmLibcFmodf16ExhaustiveTest, PostivePositiveRange) {
  28   test_full_range_all_roundings(POS_START, POS_STOP, POS_START, POS_STOP);
  29 }
  30
  31 TEST_F(LlvmLibcFmodf16ExhaustiveTest, PostiveNegativeRange) {
  32   test_full_range_all_roundings(POS_START, POS_STOP, NEG_START, NEG_STOP);
  33 }
  34
  35 TEST_F(LlvmLibcFmodf16ExhaustiveTest, NegativePositiveRange) {
  36   test_full_range_all_roundings(NEG_START, NEG_STOP, POS_START, POS_STOP);
  37 }
  38
  39 TEST_F(LlvmLibcFmodf16ExhaustiveTest, NegativeNegativeRange) {
  40   test_full_range_all_roundings(NEG_START, NEG_STOP, POS_START, POS_STOP);
  41 }