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(localhost [IPv6:::1]) by gnu-tgl-3.localdomain (Postfix) with ESMTP id 1CBDBC0396; Mon, 20 Dec 2021 15:18:17 -0800 (PST) To: libc-alpha@sourceware.org Subject: [PATCH 1/2] s_sincosf.h: Change pio4 type to float [BZ #28713] Date: Mon, 20 Dec 2021 15:18:16 -0800 Message-Id: <20211220231817.4051571-1-hjl.tools@gmail.com> X-Mailer: git-send-email 2.33.1 MIME-Version: 1.0 X-Spam-Status: No, score=-3029.1 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, GIT_PATCH_0, RCVD_IN_BARRACUDACENTRAL, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: "H.J. Lu via Libc-alpha" From: "H.J. Lu" Reply-To: "H.J. Lu" Cc: Joseph Myers Errors-To: libc-alpha-bounces+incoming=patchwork.ozlabs.org@sourceware.org Sender: "Libc-alpha" s_cosf.c and s_sinf.c have if (abstop12 (y) < abstop12 (pio4)) where abstop12 takes a float argument, but pio4 is static const double. pio4 is used only in calls to abstop12 and never in arithmetic. Change it to float to fix: FAIL: math/test-float-cos FAIL: math/test-float-sin FAIL: math/test-float-sincos FAIL: math/test-float32-cos FAIL: math/test-float32-sin FAIL: math/test-float32-sincos when compiling with GCC 12. --- sysdeps/ieee754/flt-32/s_sincosf.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sysdeps/ieee754/flt-32/s_sincosf.h b/sysdeps/ieee754/flt-32/s_sincosf.h index 125ab7f846..0dadd6374e 100644 --- a/sysdeps/ieee754/flt-32/s_sincosf.h +++ b/sysdeps/ieee754/flt-32/s_sincosf.h @@ -24,7 +24,7 @@ /* 2PI * 2^-64. */ static const double pi63 = 0x1.921FB54442D18p-62; /* PI / 4. */ -static const double pio4 = 0x1.921FB54442D18p-1; +static const float pio4 = 0x1.921FB54442D18p-1; /* Polynomial data (the cosine polynomial is negated in the 2nd entry). */ extern const sincos_t __sincosf_table[2] attribute_hidden;