From patchwork Wed May 7 15:26:56 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Liebler X-Patchwork-Id: 828 Return-Path: X-Original-To: siddhesh@wilcox.dreamhost.com Delivered-To: siddhesh@wilcox.dreamhost.com Received: from homiemail-mx21.g.dreamhost.com (peon2454.g.dreamhost.com [208.113.200.127]) by wilcox.dreamhost.com (Postfix) with ESMTP id 3C46E36001D for ; Wed, 7 May 2014 08:27:29 -0700 (PDT) Received: by homiemail-mx21.g.dreamhost.com (Postfix, from userid 14307373) id E74631932482; Wed, 7 May 2014 08:27:28 -0700 (PDT) X-Original-To: glibc@patchwork.siddhesh.in Delivered-To: x14307373@homiemail-mx21.g.dreamhost.com Received: from sourceware.org (server1.sourceware.org [209.132.180.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by homiemail-mx21.g.dreamhost.com (Postfix) with ESMTPS id 767F919324F1 for ; Wed, 7 May 2014 08:27:28 -0700 (PDT) DomainKey-Signature: a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:to:from:subject:date:message-id:references :mime-version:content-type:cc:in-reply-to; q=dns; s=default; b=K yfMVKZyMe5BlEFU9E0b0MCPsj8GCLbMaZJ4jwTUTIjmcSuvo0jsgukT5Nk7or1QT cLuJJRFPQk0qrcsoj6HpZ8VB1mSsxTT3+RpjbWuVS1IOu2L8rGwWDZRC3J7W5Thc uXACOYsgfk/KUalzN7nNE1d6JvtaQgDPaUZpU9+8vM= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:to:from:subject:date:message-id:references :mime-version:content-type:cc:in-reply-to; s=default; bh=Zo/KndI WDc4GKUi0Er5zgcoC65o=; b=pnPI2f/KWp3ljteQdMW/j+323+Weo6XF6S+bldN pBLeJO9+xY+zbxTLqmecnA5vq3wg/MeLbnyNg6SZ/dMc8ZZGcM/TvcuPjVv9IOoi h+L5Rl9wIJIe5FrO9+y+9C4/wYG+Tt/8h3GorDxHP+fNzrXIPsZmajwVKXjI1YW9 aXSA= Received: (qmail 20397 invoked by alias); 7 May 2014 15:27:25 -0000 Mailing-List: contact libc-alpha-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: libc-alpha-owner@sourceware.org Delivered-To: mailing list libc-alpha@sourceware.org Received: (qmail 20383 invoked by uid 89); 7 May 2014 15:27:24 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-2.4 required=5.0 tests=AWL, BAYES_00, RCVD_IN_DNSWL_NONE, RP_MATCHES_RCVD, SPF_HELO_PASS, SPF_PASS autolearn=ham version=3.3.2 X-HELO: plane.gmane.org To: libc-alpha@sourceware.org From: Stefan Liebler Subject: Re: [PATCH][BZ #6803] Set errno for scalbln, scalbn Date: Wed, 07 May 2014 17:26:56 +0200 Lines: 567 Message-ID: <536A50C0.7050600@linux.vnet.ibm.com> References: Mime-Version: 1.0 Cc: joseph@codesourcery.com User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 In-Reply-To: X-DH-Original-To: glibc@patchwork.siddhesh.in Hi, this patch introduces a new wrapper for scalbln functions in order to set errno to ERANGE on overflow and underflow. The existing aliases that uses __scalbln functions are replaced by aliases to the new wrapper. The corresponding tests in libm-test.inc are updated to check for errno via ERRNO_PLUS_OFLOW etc. This patch only covers the scalbln-part of bug 6803. Tested on s390/s390x/x86_64/ppc64. Please review and test and give feedback, if this is the way to add a new wrapper! Bye. --- 2014-05-07 Stefan Liebler [BZ #6803] * math/libm-test.inc (scalbln_test_date): Add errno expectations. * math/w_scalblnf.c: New File. Add wrapper which checks for setting errno to ERANGE. Add weak_alias for corresponding scalbln function. * math/w_scalbln.c: Likewise. * math/w_scalblnl.c: Likewise. * math/Makefile (libm-calls): Add w_scalbln. * sysdeps/ieee754/flt-32/s_scalblnf.c: Remove weak_alias for corresponding scalbln function. * sysdeps/ieee754/dbl-64/s_scalbln.c: Likewise. * sysdeps/ieee754/dbl-64/wordsize-64/s_scalbln.c: Likewise. * sysdeps/ieee754/ldbl-96/s_scalblnl.c: Likewise. * sysdeps/ieee754/ldbl-128/s_scalblnl.c: Likewise. * sysdeps/sparc/sparc64/soft-fp/s_scalblnl.c: Likewise. * sysdeps/ieee754/ldbl-64-128/s_scalblnl.c: Remove long_double_symbol for scalblnl function in libm, libc. * sysdeps/ieee754/ldbl-64-128/w_scalblnl.c: New File. Add wrapper which checks for setting errno to ERANGE. Add long_double_symbol for scalblnl function in libm, libc. * sysdeps/ieee754/ldbl-128ibm/s_scalblnl.c: Remove long_double_symbol for scalblnl in libm. * sysdeps/ieee754/ldbl-128ibm/w_scalblnl.c: New File. Add wrapper which checks for setting errno to ERANGE. Add long_double_symbol for scalblnl function in libm. * sysdeps/i386/fpu/w_scalblnf.c: New File. Do not use wrapper because scalbn functions are used as scalbln. * sysdeps/i386/fpu/w_scalbln.c: Likewise. * sysdeps/i386/fpu/w_scalblnl.c: Likewise. * sysdeps/m68k/m680x0/fpu/w_scalblnf.c: Likewise. * sysdeps/m68k/m680x0/fpu/w_scalbln.c: Likewise. * sysdeps/m68k/m680x0/fpu/w_scalblnl.c: Likewise. * sysdeps/ia64/fpu/w_scalblnf.c: New File. Do not use wrapper because of own implementation. * sysdeps/ia64/fpu/w_scalbln.c: Likewise. * sysdeps/ia64/fpu/w_scalblnl.c: Likewise. --- On 04/25/2014 04:35 PM, Joseph S. Myers wrote: > On Wed, 23 Apr 2014, Stefan Liebler wrote: > >> Hi, >> >> this patch sets errno to ERANGE on overflow and underflow. >> The corresponding tests in libm-test.inc are updated to check for errno, too. >> >> Tested on S390/S390x. >> >> ok to commit? > > I don't think this is the best approach. Apart from needing lots of > architecture-specific versions updated (so you'd need to draw the > attention of relevant architecture maintainers to the issue), we already > have a scalbn wrapper that checks for overflow/underflow and sets errno, > in the form of ldexp. So for scalbn it would be most natural to make > scalbn an alias for __ldexp instead of __scalbn; for scalbln you'd need to > add a new wrapper, replacing scalbln being an alias for __scalbln. > > (The tests will then need to use ERRNO_PLUS_OFLOW etc. so the expectations > only cover the cases where glibc guarantees errno setting.) > diff --git a/math/Makefile b/math/Makefile index c13ca80..f0cafe2 100644 --- a/math/Makefile +++ b/math/Makefile @@ -48,7 +48,7 @@ libm-calls = e_acos e_acosh e_asin e_atan2 e_atanh e_cosh e_exp e_fmod \ k_cos k_rem_pio2 k_sin k_tan s_asinh s_atan s_cbrt \ s_ceil s_cos s_erf s_expm1 s_fabs \ s_floor s_log1p s_logb \ - s_nextafter s_nexttoward s_rint s_scalbln \ + s_nextafter s_nexttoward s_rint s_scalbln w_scalbln \ s_significand s_sin s_tan s_tanh w_acos w_acosh w_asin \ w_atan2 w_atanh w_cosh w_drem w_exp w_exp2 w_exp10 w_fmod \ w_tgamma w_hypot w_j0 w_j1 w_jn w_lgamma w_lgamma_r \ diff --git a/math/libm-test.inc b/math/libm-test.inc index a4bf0b8..dff16b6 100644 --- a/math/libm-test.inc +++ b/math/libm-test.inc @@ -9222,72 +9222,72 @@ ldexp_test (void) static const struct test_fl_f_data scalbln_test_data[] = { - TEST_fl_f (scalbln, 0, 0, 0, NO_INEXACT_EXCEPTION), - TEST_fl_f (scalbln, minus_zero, 0, minus_zero, NO_INEXACT_EXCEPTION), - - TEST_fl_f (scalbln, plus_infty, 1, plus_infty, NO_INEXACT_EXCEPTION), - TEST_fl_f (scalbln, minus_infty, 1, minus_infty, NO_INEXACT_EXCEPTION), - TEST_fl_f (scalbln, qnan_value, 1, qnan_value, NO_INEXACT_EXCEPTION), - - TEST_fl_f (scalbln, 0.8L, 4, 12.8L, NO_INEXACT_EXCEPTION), - TEST_fl_f (scalbln, -0.854375L, 5, -27.34L, NO_INEXACT_EXCEPTION), - - TEST_fl_f (scalbln, 1, 0L, 1, NO_INEXACT_EXCEPTION), - - TEST_fl_f (scalbln, 1, INT_MAX, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION), - TEST_fl_f (scalbln, 1, INT_MIN, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION), - TEST_fl_f (scalbln, max_value, INT_MAX, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION), - TEST_fl_f (scalbln, max_value, INT_MIN, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION), - TEST_fl_f (scalbln, min_value, INT_MAX, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION), - TEST_fl_f (scalbln, min_value, INT_MIN, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION), - TEST_fl_f (scalbln, min_value / 4, INT_MAX, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION), - TEST_fl_f (scalbln, min_value / 4, INT_MIN, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION), - - TEST_fl_f (scalbln, -1, INT_MAX, minus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION), - TEST_fl_f (scalbln, -1, INT_MIN, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION), - TEST_fl_f (scalbln, -max_value, INT_MAX, minus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION), - TEST_fl_f (scalbln, -max_value, INT_MIN, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION), - TEST_fl_f (scalbln, -min_value, INT_MAX, minus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION), - TEST_fl_f (scalbln, -min_value, INT_MIN, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION), - TEST_fl_f (scalbln, -min_value / 4, INT_MAX, minus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION), - TEST_fl_f (scalbln, -min_value / 4, INT_MIN, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION), - - TEST_fl_f (scalbln, 1, LONG_MAX, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION), - TEST_fl_f (scalbln, 1, LONG_MIN, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION), - TEST_fl_f (scalbln, max_value, LONG_MAX, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION), - TEST_fl_f (scalbln, max_value, LONG_MIN, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION), - TEST_fl_f (scalbln, min_value, LONG_MAX, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION), - TEST_fl_f (scalbln, min_value, LONG_MIN, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION), - TEST_fl_f (scalbln, min_value / 4, LONG_MAX, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION), - TEST_fl_f (scalbln, min_value / 4, LONG_MIN, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION), - - TEST_fl_f (scalbln, -1, LONG_MAX, minus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION), - TEST_fl_f (scalbln, -1, LONG_MIN, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION), - TEST_fl_f (scalbln, -max_value, LONG_MAX, minus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION), - TEST_fl_f (scalbln, -max_value, LONG_MIN, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION), - TEST_fl_f (scalbln, -min_value, LONG_MAX, minus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION), - TEST_fl_f (scalbln, -min_value, LONG_MIN, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION), - TEST_fl_f (scalbln, -min_value / 4, LONG_MAX, minus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION), - TEST_fl_f (scalbln, -min_value / 4, LONG_MIN, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION), + TEST_fl_f (scalbln, 0, 0, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_fl_f (scalbln, minus_zero, 0, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + + TEST_fl_f (scalbln, plus_infty, 1, plus_infty, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_fl_f (scalbln, minus_infty, 1, minus_infty, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_fl_f (scalbln, qnan_value, 1, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + + TEST_fl_f (scalbln, 0.8L, 4, 12.8L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_fl_f (scalbln, -0.854375L, 5, -27.34L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + + TEST_fl_f (scalbln, 1, 0L, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + + TEST_fl_f (scalbln, 1, INT_MAX, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_PLUS_OFLOW), + TEST_fl_f (scalbln, 1, INT_MIN, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW), + TEST_fl_f (scalbln, max_value, INT_MAX, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_PLUS_OFLOW), + TEST_fl_f (scalbln, max_value, INT_MIN, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW), + TEST_fl_f (scalbln, min_value, INT_MAX, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_PLUS_OFLOW), + TEST_fl_f (scalbln, min_value, INT_MIN, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW), + TEST_fl_f (scalbln, min_value / 4, INT_MAX, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_PLUS_OFLOW), + TEST_fl_f (scalbln, min_value / 4, INT_MIN, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW), + + TEST_fl_f (scalbln, -1, INT_MAX, minus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_MINUS_OFLOW), + TEST_fl_f (scalbln, -1, INT_MIN, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW), + TEST_fl_f (scalbln, -max_value, INT_MAX, minus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_MINUS_OFLOW), + TEST_fl_f (scalbln, -max_value, INT_MIN, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW), + TEST_fl_f (scalbln, -min_value, INT_MAX, minus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_MINUS_OFLOW), + TEST_fl_f (scalbln, -min_value, INT_MIN, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW), + TEST_fl_f (scalbln, -min_value / 4, INT_MAX, minus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_MINUS_OFLOW), + TEST_fl_f (scalbln, -min_value / 4, INT_MIN, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW), + + TEST_fl_f (scalbln, 1, LONG_MAX, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_PLUS_OFLOW), + TEST_fl_f (scalbln, 1, LONG_MIN, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW), + TEST_fl_f (scalbln, max_value, LONG_MAX, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_PLUS_OFLOW), + TEST_fl_f (scalbln, max_value, LONG_MIN, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW), + TEST_fl_f (scalbln, min_value, LONG_MAX, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_PLUS_OFLOW), + TEST_fl_f (scalbln, min_value, LONG_MIN, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW), + TEST_fl_f (scalbln, min_value / 4, LONG_MAX, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_PLUS_OFLOW), + TEST_fl_f (scalbln, min_value / 4, LONG_MIN, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW), + + TEST_fl_f (scalbln, -1, LONG_MAX, minus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_MINUS_OFLOW), + TEST_fl_f (scalbln, -1, LONG_MIN, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW), + TEST_fl_f (scalbln, -max_value, LONG_MAX, minus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_MINUS_OFLOW), + TEST_fl_f (scalbln, -max_value, LONG_MIN, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW), + TEST_fl_f (scalbln, -min_value, LONG_MAX, minus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_MINUS_OFLOW), + TEST_fl_f (scalbln, -min_value, LONG_MIN, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW), + TEST_fl_f (scalbln, -min_value / 4, LONG_MAX, minus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_MINUS_OFLOW), + TEST_fl_f (scalbln, -min_value / 4, LONG_MIN, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW), #if LONG_MAX >= 0x100000000 - TEST_fl_f (scalbln, 1, 0x88000000L, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION), - TEST_fl_f (scalbln, 1, -0x88000000L, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION), - TEST_fl_f (scalbln, max_value, 0x88000000L, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION), - TEST_fl_f (scalbln, max_value, -0x88000000L, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION), - TEST_fl_f (scalbln, min_value, 0x88000000L, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION), - TEST_fl_f (scalbln, min_value, -0x88000000L, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION), - TEST_fl_f (scalbln, min_value / 4, 0x88000000L, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION), - TEST_fl_f (scalbln, min_value / 4, -0x88000000L, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION), - - TEST_fl_f (scalbln, -1, 0x88000000L, minus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION), - TEST_fl_f (scalbln, -1, -0x88000000L, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION), - TEST_fl_f (scalbln, -max_value, 0x88000000L, minus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION), - TEST_fl_f (scalbln, -max_value, -0x88000000L, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION), - TEST_fl_f (scalbln, -min_value, 0x88000000L, minus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION), - TEST_fl_f (scalbln, -min_value, -0x88000000L, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION), - TEST_fl_f (scalbln, -min_value / 4, 0x88000000L, minus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION), - TEST_fl_f (scalbln, -min_value / 4, -0x88000000L, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION), + TEST_fl_f (scalbln, 1, 0x88000000L, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_PLUS_OFLOW), + TEST_fl_f (scalbln, 1, -0x88000000L, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW), + TEST_fl_f (scalbln, max_value, 0x88000000L, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_PLUS_OFLOW), + TEST_fl_f (scalbln, max_value, -0x88000000L, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW), + TEST_fl_f (scalbln, min_value, 0x88000000L, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_PLUS_OFLOW), + TEST_fl_f (scalbln, min_value, -0x88000000L, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW), + TEST_fl_f (scalbln, min_value / 4, 0x88000000L, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_PLUS_OFLOW), + TEST_fl_f (scalbln, min_value / 4, -0x88000000L, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW), + + TEST_fl_f (scalbln, -1, 0x88000000L, minus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_MINUS_OFLOW), + TEST_fl_f (scalbln, -1, -0x88000000L, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW), + TEST_fl_f (scalbln, -max_value, 0x88000000L, minus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_MINUS_OFLOW), + TEST_fl_f (scalbln, -max_value, -0x88000000L, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW), + TEST_fl_f (scalbln, -min_value, 0x88000000L, minus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_MINUS_OFLOW), + TEST_fl_f (scalbln, -min_value, -0x88000000L, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW), + TEST_fl_f (scalbln, -min_value / 4, 0x88000000L, minus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_MINUS_OFLOW), + TEST_fl_f (scalbln, -min_value / 4, -0x88000000L, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW), #endif }; diff --git a/math/w_scalbln.c b/math/w_scalbln.c new file mode 100644 index 0000000..051c017 --- /dev/null +++ b/math/w_scalbln.c @@ -0,0 +1,35 @@ +/* Copyright (C) 2011-2014 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper , 2011. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#include +#include +#include + +double +__w_scalbln (double x, long int n) +{ + if(!__finite(x)||x==0.0) return x; + x = __scalbln(x,n); + if(!__finite(x)||x==0.0) __set_errno (ERANGE); + return x; +} +weak_alias (__w_scalbln, scalbln) + +#ifdef NO_LONG_DOUBLE +weak_alias (__w_scalbln, scalblnl) +#endif diff --git a/math/w_scalblnf.c b/math/w_scalblnf.c new file mode 100644 index 0000000..266793f --- /dev/null +++ b/math/w_scalblnf.c @@ -0,0 +1,31 @@ +/* Copyright (C) 2011-2014 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper , 2011. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#include +#include +#include + +float +__w_scalblnf (float x, long int n) +{ + if(!__finitef(x)||x==0.0f) return x; + x = __scalblnf(x,n); + if(!__finitef(x)||x==0.0f) __set_errno (ERANGE); + return x; +} +weak_alias (__w_scalblnf, scalblnf) diff --git a/math/w_scalblnl.c b/math/w_scalblnl.c new file mode 100644 index 0000000..7abcbc9 --- /dev/null +++ b/math/w_scalblnl.c @@ -0,0 +1,31 @@ +/* Copyright (C) 2011-2014 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper , 2011. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#include +#include +#include + +long double +__w_scalblnl (long double x, long int n) +{ + if(!__finitel(x)||x==0.0L) return x; + x = __scalblnl(x,n); + if(!__finitel(x)||x==0.0L) __set_errno (ERANGE); + return x; +} +weak_alias (__w_scalblnl, scalblnl) diff --git a/sysdeps/i386/fpu/w_scalbln.c b/sysdeps/i386/fpu/w_scalbln.c new file mode 100644 index 0000000..eebd8cc --- /dev/null +++ b/sysdeps/i386/fpu/w_scalbln.c @@ -0,0 +1,2 @@ +/* Nothing to do. + The function scalbln is used without the wrapper function. */ diff --git a/sysdeps/i386/fpu/w_scalblnf.c b/sysdeps/i386/fpu/w_scalblnf.c new file mode 100644 index 0000000..bee5c37 --- /dev/null +++ b/sysdeps/i386/fpu/w_scalblnf.c @@ -0,0 +1,2 @@ +/* Nothing to do. + The function scalblnf is used without the wrapper function. */ diff --git a/sysdeps/i386/fpu/w_scalblnl.c b/sysdeps/i386/fpu/w_scalblnl.c new file mode 100644 index 0000000..c276e92 --- /dev/null +++ b/sysdeps/i386/fpu/w_scalblnl.c @@ -0,0 +1,2 @@ +/* Nothing to do. + The function scalblnl is used without the wrapper function. */ diff --git a/sysdeps/ia64/fpu/w_scalbln.c b/sysdeps/ia64/fpu/w_scalbln.c new file mode 100644 index 0000000..eebd8cc --- /dev/null +++ b/sysdeps/ia64/fpu/w_scalbln.c @@ -0,0 +1,2 @@ +/* Nothing to do. + The function scalbln is used without the wrapper function. */ diff --git a/sysdeps/ia64/fpu/w_scalblnf.c b/sysdeps/ia64/fpu/w_scalblnf.c new file mode 100644 index 0000000..bee5c37 --- /dev/null +++ b/sysdeps/ia64/fpu/w_scalblnf.c @@ -0,0 +1,2 @@ +/* Nothing to do. + The function scalblnf is used without the wrapper function. */ diff --git a/sysdeps/ia64/fpu/w_scalblnl.c b/sysdeps/ia64/fpu/w_scalblnl.c new file mode 100644 index 0000000..c276e92 --- /dev/null +++ b/sysdeps/ia64/fpu/w_scalblnl.c @@ -0,0 +1,2 @@ +/* Nothing to do. + The function scalblnl is used without the wrapper function. */ diff --git a/sysdeps/ieee754/dbl-64/s_scalbln.c b/sysdeps/ieee754/dbl-64/s_scalbln.c index 874b98e..32cd12e 100644 --- a/sysdeps/ieee754/dbl-64/s_scalbln.c +++ b/sysdeps/ieee754/dbl-64/s_scalbln.c @@ -58,8 +58,6 @@ __scalbln (double x, long int n) SET_HIGH_WORD (x, (hx & 0x800fffff) | (k << 20)); return x * twom54; } -weak_alias (__scalbln, scalbln) #ifdef NO_LONG_DOUBLE strong_alias (__scalbln, __scalblnl) -weak_alias (__scalbln, scalblnl) #endif diff --git a/sysdeps/ieee754/dbl-64/wordsize-64/s_scalbln.c b/sysdeps/ieee754/dbl-64/wordsize-64/s_scalbln.c index c00db68..8dce51e 100644 --- a/sysdeps/ieee754/dbl-64/wordsize-64/s_scalbln.c +++ b/sysdeps/ieee754/dbl-64/wordsize-64/s_scalbln.c @@ -55,8 +55,6 @@ __scalbln (double x, long int n) INSERT_WORDS64(x,(ix&INT64_C(0x800fffffffffffff))|(k<<52)); return x*twom54; } -weak_alias (__scalbln, scalbln) #ifdef NO_LONG_DOUBLE strong_alias (__scalbln, __scalblnl) -weak_alias (__scalbln, scalblnl) #endif diff --git a/sysdeps/ieee754/flt-32/s_scalblnf.c b/sysdeps/ieee754/flt-32/s_scalblnf.c index aa45164..ad3c586 100644 --- a/sysdeps/ieee754/flt-32/s_scalblnf.c +++ b/sysdeps/ieee754/flt-32/s_scalblnf.c @@ -50,4 +50,3 @@ __scalblnf (float x, long int n) SET_FLOAT_WORD(x,(ix&0x807fffff)|(k<<23)); return x*twom25; } -weak_alias (__scalblnf, scalblnf) diff --git a/sysdeps/ieee754/ldbl-128/s_scalblnl.c b/sysdeps/ieee754/ldbl-128/s_scalblnl.c index f552393..1e24197 100644 --- a/sysdeps/ieee754/ldbl-128/s_scalblnl.c +++ b/sysdeps/ieee754/ldbl-128/s_scalblnl.c @@ -60,4 +60,3 @@ long double __scalblnl (long double x, long int n) SET_LDOUBLE_MSW64(x,(hx&0x8000ffffffffffffULL)|(k<<48)); return x*twom114; } -weak_alias (__scalblnl, scalblnl) diff --git a/sysdeps/ieee754/ldbl-128ibm/s_scalblnl.c b/sysdeps/ieee754/ldbl-128ibm/s_scalblnl.c index 03d4597..0316352 100644 --- a/sysdeps/ieee754/ldbl-128ibm/s_scalblnl.c +++ b/sysdeps/ieee754/ldbl-128ibm/s_scalblnl.c @@ -102,4 +102,3 @@ long double __scalblnl (long double x, long int n) x = ldbl_pack (xhi, xlo); return x*twolm54; } -long_double_symbol (libm, __scalblnl, scalblnl); diff --git a/sysdeps/ieee754/ldbl-128ibm/w_scalblnl.c b/sysdeps/ieee754/ldbl-128ibm/w_scalblnl.c new file mode 100644 index 0000000..80d4e94 --- /dev/null +++ b/sysdeps/ieee754/ldbl-128ibm/w_scalblnl.c @@ -0,0 +1,5 @@ +#include +#undef weak_alias +#define weak_alias(n,a) +#include +long_double_symbol (libm, __w_scalblnl, scalblnl); diff --git a/sysdeps/ieee754/ldbl-64-128/s_scalblnl.c b/sysdeps/ieee754/ldbl-64-128/s_scalblnl.c index 3143f18..97181d2 100644 --- a/sysdeps/ieee754/ldbl-64-128/s_scalblnl.c +++ b/sysdeps/ieee754/ldbl-64-128/s_scalblnl.c @@ -2,8 +2,3 @@ #undef weak_alias #define weak_alias(n,a) #include -#ifdef IS_IN_libm -long_double_symbol (libm, __scalblnl, scalblnl); -#else -long_double_symbol (libc, __scalblnl, scalblnl); -#endif diff --git a/sysdeps/ieee754/ldbl-64-128/w_scalblnl.c b/sysdeps/ieee754/ldbl-64-128/w_scalblnl.c new file mode 100644 index 0000000..98bca59 --- /dev/null +++ b/sysdeps/ieee754/ldbl-64-128/w_scalblnl.c @@ -0,0 +1,27 @@ +/* Copyright (C) 2011-2014 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper , 2011. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#include +#undef weak_alias +#define weak_alias(n,a) +#include +#ifdef IS_IN_libm +long_double_symbol (libm, __w_scalblnl, scalblnl); +#else +long_double_symbol (libc, __w_scalblnl, scalblnl); +#endif diff --git a/sysdeps/ieee754/ldbl-96/s_scalblnl.c b/sysdeps/ieee754/ldbl-96/s_scalblnl.c index 76a4c59..fca8470 100644 --- a/sysdeps/ieee754/ldbl-96/s_scalblnl.c +++ b/sysdeps/ieee754/ldbl-96/s_scalblnl.c @@ -58,4 +58,3 @@ __scalblnl (long double x, long int n) SET_LDOUBLE_EXP(x,(es&0x8000)|k); return x*twom63; } -weak_alias (__scalblnl, scalblnl) diff --git a/sysdeps/m68k/m680x0/fpu/w_scalbln.c b/sysdeps/m68k/m680x0/fpu/w_scalbln.c new file mode 100644 index 0000000..eebd8cc --- /dev/null +++ b/sysdeps/m68k/m680x0/fpu/w_scalbln.c @@ -0,0 +1,2 @@ +/* Nothing to do. + The function scalbln is used without the wrapper function. */ diff --git a/sysdeps/m68k/m680x0/fpu/w_scalblnf.c b/sysdeps/m68k/m680x0/fpu/w_scalblnf.c new file mode 100644 index 0000000..bee5c37 --- /dev/null +++ b/sysdeps/m68k/m680x0/fpu/w_scalblnf.c @@ -0,0 +1,2 @@ +/* Nothing to do. + The function scalblnf is used without the wrapper function. */ diff --git a/sysdeps/m68k/m680x0/fpu/w_scalblnl.c b/sysdeps/m68k/m680x0/fpu/w_scalblnl.c new file mode 100644 index 0000000..c276e92 --- /dev/null +++ b/sysdeps/m68k/m680x0/fpu/w_scalblnl.c @@ -0,0 +1,2 @@ +/* Nothing to do. + The function scalblnl is used without the wrapper function. */ diff --git a/sysdeps/sparc/sparc64/soft-fp/s_scalblnl.c b/sysdeps/sparc/sparc64/soft-fp/s_scalblnl.c index e07ff62..6d11a3d 100644 --- a/sysdeps/sparc/sparc64/soft-fp/s_scalblnl.c +++ b/sysdeps/sparc/sparc64/soft-fp/s_scalblnl.c @@ -50,5 +50,3 @@ long double __scalblnl(long double arg, int exp) return r; } - -weak_alias (__scalblnl, scalblnl)