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([2804:1b3:a7c3:b18e:67c4:6248:3d8a:f386]) by smtp.gmail.com with ESMTPSA id c4-20020a170903234400b001e20578b524sm858593plh.252.2024.03.27.09.46.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 27 Mar 2024 09:46:01 -0700 (PDT) From: Adhemerval Zanella To: libc-alpha@sourceware.org Cc: Joseph Myers , Florian Weimer , "H . J . Lu" Subject: [PATCH 14/15] math: Fix y0 template for arguments less/equal than 0 Date: Wed, 27 Mar 2024 13:45:26 -0300 Message-Id: <20240327164527.3717523-15-adhemerval.zanella@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240327164527.3717523-1-adhemerval.zanella@linaro.org> References: <20240327164527.3717523-1-adhemerval.zanella@linaro.org> MIME-Version: 1.0 X-Spam-Status: No, score=-12.4 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, GIT_PATCH_0, KAM_NUMSUBJECT, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: libc-alpha-bounces+patch=linaro.org@sourceware.org The template is used by some ABI for the static build, and it fails to correct return if the argument is less/equal than 0 Checked on x86_64-linux-gnu. --- math/Makefile | 1 + math/w_j0_template.c | 16 ++++++++++++---- 2 files changed, 13 insertions(+), 4 deletions(-) diff --git a/math/Makefile b/math/Makefile index 7391f2bd41..5807e949d7 100644 --- a/math/Makefile +++ b/math/Makefile @@ -372,6 +372,7 @@ libm-test-funcs-auto-static = \ exp10 \ log2 \ log10 \ + y0 \ # libm-test-funcs-auto-static libm-test-funcs-noauto-static = \ copysign \ diff --git a/math/w_j0_template.c b/math/w_j0_template.c index 1822fc8213..afa2056f96 100644 --- a/math/w_j0_template.c +++ b/math/w_j0_template.c @@ -39,11 +39,19 @@ M_DECL_FUNC (__y0) (FLOAT x) if (__glibc_unlikely (islessequal (x, M_LIT (0.0)))) { if (x < 0) - /* Domain error: y0(x<0). */ - __set_errno (EDOM); + { + /* Domain error: y0(x<0). */ + __feraiseexcept (FE_INVALID); + __set_errno (EDOM); + return NAN; + } else if (x == 0) - /* Pole error: y0(0). */ - __set_errno (ERANGE); + { + /* Pole error: y0(0). */ + __feraiseexcept (FE_DIVBYZERO); + __set_errno (ERANGE); + return -INFINITY; + } } return M_SUF (__ieee754_y0) (x); }