[libc][NFC] Add template tests for a bunch of math functions.

Namely, template tests have been added for the following functions:
ceil, copysign, fabs, fmax, fmin, floor, trunc, round.

1 files changed, 3 insertions, 62 deletions

diff --git a/libc/test/src/math/fmax_test.cpp b/libc/test/src/math/fmax_test.cpp
index 843f073dbf02..9c81c09414f0 100644
--- a/libc/test/src/math/fmax_test.cpp
+++ b/libc/test/src/math/fmax_test.cpp
@@ -6,67 +6,8 @@
 //
 //===---------------------------------------------------------------------===//
 
-#include "src/math/fmax.h"
-#include "utils/FPUtil/FPBits.h"
-#include "utils/FPUtil/TestHelpers.h"
-#include "utils/UnitTest/Test.h"
-#include <math.h>
-
-using FPBits = __llvm_libc::fputil::FPBits<double>;
-
-DECLARE_SPECIAL_CONSTANTS(double)
-
-TEST(LlvmLibcFmaxTest, NaNArg) {
-  EXPECT_FP_EQ(inf, __llvm_libc::fmax(aNaN, inf));
-  EXPECT_FP_EQ(negInf, __llvm_libc::fmax(negInf, aNaN));
-  EXPECT_FP_EQ(0.0, __llvm_libc::fmax(aNaN, 0.0));
-  EXPECT_FP_EQ(-0.0, __llvm_libc::fmax(-0.0, aNaN));
-  EXPECT_FP_EQ(-1.2345, __llvm_libc::fmax(aNaN, -1.2345));
-  EXPECT_FP_EQ(1.2345, __llvm_libc::fmax(1.2345, aNaN));
-  EXPECT_FP_EQ(aNaN, __llvm_libc::fmax(aNaN, aNaN));
-}
+#include "FMaxTest.h"
 
-TEST(LlvmLibcFmaxTest, InfArg) {
-  EXPECT_FP_EQ(inf, __llvm_libc::fmax(negInf, inf));
-  EXPECT_FP_EQ(inf, __llvm_libc::fmax(inf, 0.0));
-  EXPECT_FP_EQ(inf, __llvm_libc::fmax(-0.0, inf));
-  EXPECT_FP_EQ(inf, __llvm_libc::fmax(inf, 1.2345));
-  EXPECT_FP_EQ(inf, __llvm_libc::fmax(-1.2345, inf));
-}
-
-TEST(LlvmLibcFmaxTest, NegInfArg) {
-  EXPECT_FP_EQ(inf, __llvm_libc::fmax(inf, negInf));
-  EXPECT_FP_EQ(0.0, __llvm_libc::fmax(negInf, 0.0));
-  EXPECT_FP_EQ(-0.0, __llvm_libc::fmax(-0.0, negInf));
-  EXPECT_FP_EQ(-1.2345, __llvm_libc::fmax(negInf, -1.2345));
-  EXPECT_FP_EQ(1.2345, __llvm_libc::fmax(1.2345, negInf));
-}
-
-TEST(LlvmLibcFmaxTest, BothZero) {
-  EXPECT_FP_EQ(0.0, __llvm_libc::fmax(0.0, 0.0));
-  EXPECT_FP_EQ(0.0, __llvm_libc::fmax(-0.0, 0.0));
-  EXPECT_FP_EQ(0.0, __llvm_libc::fmax(0.0, -0.0));
-  EXPECT_FP_EQ(-0.0, __llvm_libc::fmax(-0.0, -0.0));
-}
-
-TEST(LlvmLibcFmaxTest, InDoubleRange) {
-  using UIntType = FPBits::UIntType;
-  constexpr UIntType count = 10000001;
-  constexpr UIntType step = UIntType(-1) / count;
-  for (UIntType i = 0, v = 0, w = UIntType(-1); i <= count;
-       ++i, v += step, w -= step) {
-    double x = FPBits(v), y = FPBits(w);
-    if (isnan(x) || isinf(x))
-      continue;
-    if (isnan(y) || isinf(y))
-      continue;
-    if ((x == 0) && (y == 0))
-      continue;
+#include "src/math/fmax.h"
 
-    if (x > y) {
-      EXPECT_FP_EQ(x, __llvm_libc::fmax(x, y));
-    } else {
-      EXPECT_FP_EQ(y, __llvm_libc::fmax(x, y));
-    }
-  }
-}
+LIST_FMAX_TESTS(double, __llvm_libc::fmax)