[libc-commits] [libc] [libc][math] Implement double precision tgamma (PR #210970)

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github-actions[bot] wrote:

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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp,h -- libc/src/__support/math/tgamma.h libc/src/math/generic/tgamma.cpp libc/test/src/math/smoke/tgamma_test.cpp --diff_from_common_commit
``````````

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View the diff from clang-format here.
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``````````diff
diff --git a/libc/test/src/math/smoke/tgamma_test.cpp b/libc/test/src/math/smoke/tgamma_test.cpp
index 261598b36..458aeb6b8 100644
--- a/libc/test/src/math/smoke/tgamma_test.cpp
+++ b/libc/test/src/math/smoke/tgamma_test.cpp
@@ -17,7 +17,8 @@ TEST_F(LlvmLibcTgammaTest, SpecialNumbers) {
   EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, LIBC_NAMESPACE::tgamma(sNaN), FE_INVALID);
   EXPECT_MATH_ERRNO(0);
 
-  EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, LIBC_NAMESPACE::tgamma(neg_inf), FE_INVALID);
+  EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, LIBC_NAMESPACE::tgamma(neg_inf),
+                              FE_INVALID);
   EXPECT_MATH_ERRNO(EDOM);
 
   EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, LIBC_NAMESPACE::tgamma(-1.0), FE_INVALID);
@@ -26,12 +27,14 @@ TEST_F(LlvmLibcTgammaTest, SpecialNumbers) {
   EXPECT_FP_EQ_WITH_EXCEPTION(inf, LIBC_NAMESPACE::tgamma(zero), FE_DIVBYZERO);
   EXPECT_MATH_ERRNO(ERANGE);
 
-  EXPECT_FP_EQ_WITH_EXCEPTION(neg_inf, LIBC_NAMESPACE::tgamma(neg_zero), FE_DIVBYZERO);
+  EXPECT_FP_EQ_WITH_EXCEPTION(neg_inf, LIBC_NAMESPACE::tgamma(neg_zero),
+                              FE_DIVBYZERO);
   EXPECT_MATH_ERRNO(ERANGE);
-  
+
   // Source: https://members.loria.fr/PZimmermann/papers/gamma.pdf
   // Gamma(0x1.573fae561f648p+7) > DBL_MAX
-  EXPECT_FP_EQ_WITH_EXCEPTION(inf, LIBC_NAMESPACE::tgamma(0x1.573fae561f648p+7), FE_OVERFLOW);
+  EXPECT_FP_EQ_WITH_EXCEPTION(inf, LIBC_NAMESPACE::tgamma(0x1.573fae561f648p+7),
+                              FE_OVERFLOW);
   EXPECT_MATH_ERRNO(ERANGE);
 
   // One ULP below 0x1.573fae561f648p+7

``````````

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https://github.com/llvm/llvm-project/pull/210970