From patchwork Tue Mar 18 15:48:33 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joseph Myers X-Patchwork-Id: 331468 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org 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 ozlabs.org (Postfix) with ESMTPS id 59DB92C00BD for ; Wed, 19 Mar 2014 03:11:16 +1100 (EST) DomainKey-Signature: a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:date:from:to:subject:message-id:mime-version :content-type; q=dns; s=default; b=CkM+uGZqsKdFuCH0rzmG/bcXfVYEl c6GN9QcW91/9EONHkltxYOIs9jdFcD92zt+t+7INxx+PJMHnBbg6FgYHqRIgOuY1 PMfmO7w598vLC5qEqFHFTpk1h8peg0LhLsF6KYdvHVWv6tP+jRME64F/oN19EMz+ zdiGM0VT9ahnBA= 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:date:from:to:subject:message-id:mime-version :content-type; s=default; bh=t7lZB4kcWvxmvnsHZxKQljMtKsc=; b=Q3V jO/16pfQOKBK/33MPmCyqrOP8rYCtMXVawG/Szgs9GuC+0DjsnBALnSrBtCIboSs 8SlzIka78Yj8IVBJ6cPPIRGELdlNxNPjkpl3d4Iv9/z/TWGUFjhwSOQDgF/C7+vD ljzrYmMQiYefnKWwZOnvoqXZJBT61pi2C5UK23ig= Received: (qmail 25488 invoked by alias); 18 Mar 2014 16:10:51 -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 25414 invoked by uid 89); 18 Mar 2014 16:10:50 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-0.6 required=5.0 tests=AWL, BAYES_50 autolearn=ham version=3.3.2 X-HELO: relay1.mentorg.com Date: Tue, 18 Mar 2014 15:48:33 +0000 From: "Joseph S. Myers" To: Subject: Test scalbn and scalbln in all rounding modes, add more tests of negative arguments Message-ID: MIME-Version: 1.0 Continuing the move to systematically testing libm functions in all rounding modes with ALL_RM_TEST, this patch converts the tests of scalbn and scalbln to use that macro. Those tests include cases of underflow and overflow, meaning the expected results depend on the rounding mode. For convenience in writing such tests manually, the patch adds the notation plus_oflow, minus_oflow, plus_uflow and minus_uflow for overflowing / underflowing results of each sign appropriate to the rounding mode being used, and gen-libm-test.pl is made to substitute in the appropriate values. The tests of underflow and overflow are extended to include negative arguments to provide better coverage (otherwise minus_oflow and minus_uflow wouldn't have been used at all). (A subsequent patch will make ldexp use the scalbn tests, as those functions are equivalent for binary floating point.) Tested x86_64 and x86. 2014-03-18 Joseph Myers * math/gen-libm-test.pl (parse_args): Handle plus_oflow, minus_oflow, plus_uflow and minus_uflow in expected results. * math/libm-test.inc (scalbn_test_data): Add more tests of negative arguments. Use plus_oflow, minus_oflow, plus_uflow and minus_uflow. (scalbn_test): Use ALL_RM_TEST. (scalbln_test_data): Add more tests of negative arguments. Use plus_oflow, minus_oflow, plus_uflow and minus_uflow. (scalbln_test): Use ALL_RM_TEST. diff --git a/math/gen-libm-test.pl b/math/gen-libm-test.pl index 36cc7eb..92cb4ba 100755 --- a/math/gen-libm-test.pl +++ b/math/gen-libm-test.pl @@ -158,7 +158,8 @@ sub parse_args { my (@special); my ($call_args); my ($ignore_result_any, $ignore_result_all); - my ($num_res, @args_res, $start_rm, $this_start_rm); + my ($num_res, @args_res, @start_rm, $rm); + my (@plus_oflow, @minus_oflow, @plus_uflow, @minus_uflow); ($descr_args, $descr_res) = split /_/,$descr, 2; @@ -215,15 +216,15 @@ sub parse_args { # consistency check if ($#args_res == $num_res - 1) { # One set of results for all rounding modes, no flags. - $start_rm = [ 0, 0, 0, 0 ]; + @start_rm = ( 0, 0, 0, 0 ); } elsif ($#args_res == $num_res) { # One set of results for all rounding modes, with flags. die ("wrong number of arguments") unless ($args_res[$#args_res] =~ /EXCEPTION|ERRNO|IGNORE_ZERO_INF_SIGN|TEST_NAN_SIGN|NO_TEST_INLINE|XFAIL_TEST/); - $start_rm = [ 0, 0, 0, 0 ]; + @start_rm = ( 0, 0, 0, 0 ); } elsif ($#args_res == 4 * $num_res + 3) { # One set of results per rounding mode, with flags. - $start_rm = [ 0, $num_res + 1, 2 * $num_res + 2, 3 * $num_res + 3 ]; + @start_rm = ( 0, $num_res + 1, 2 * $num_res + 2, 3 * $num_res + 3 ); } else { die ("wrong number of arguments"); } @@ -253,8 +254,12 @@ sub parse_args { } @descr = split //,$descr_res; - foreach $this_start_rm (@$start_rm) { - $current_arg = $this_start_rm; + @plus_oflow = qw(max_value plus_infty max_value plus_infty); + @minus_oflow = qw(minus_infty minus_infty -max_value -max_value); + @plus_uflow = qw(plus_zero plus_zero plus_zero min_subnorm_value); + @minus_uflow = qw(-min_subnorm_value minus_zero minus_zero minus_zero); + for ($rm = 0; $rm <= 3; $rm++) { + $current_arg = $start_rm[$rm]; $ignore_result_any = 0; $ignore_result_all = 1; $cline_res = ""; @@ -313,6 +318,10 @@ sub parse_args { $cline_res .= ", $run_extra, $extra_expected"; } $cline_res =~ s/^, //; + $cline_res =~ s/plus_oflow/$plus_oflow[$rm]/g; + $cline_res =~ s/minus_oflow/$minus_oflow[$rm]/g; + $cline_res =~ s/plus_uflow/$plus_uflow[$rm]/g; + $cline_res =~ s/minus_uflow/$minus_uflow[$rm]/g; $cline .= ", { $cline_res }"; } print $file " $cline },\n"; diff --git a/math/libm-test.inc b/math/libm-test.inc index 58b4df2..5ad0255 100644 --- a/math/libm-test.inc +++ b/math/libm-test.inc @@ -9805,23 +9805,29 @@ static const struct test_fi_f_data scalbn_test_data[] = TEST_fi_f (scalbn, 1, 0L, 1, NO_INEXACT_EXCEPTION), - TEST_fi_f (scalbn, 1, INT_MAX, plus_infty, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION), - TEST_fi_f (scalbn, 1, INT_MIN, plus_zero, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION), - TEST_fi_f (scalbn, max_value, INT_MAX, plus_infty, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION), - TEST_fi_f (scalbn, max_value, INT_MIN, plus_zero, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION), - TEST_fi_f (scalbn, min_value, INT_MAX, plus_infty, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION), - TEST_fi_f (scalbn, min_value, INT_MIN, plus_zero, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION), - TEST_fi_f (scalbn, min_value / 4, INT_MAX, plus_infty, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION), - TEST_fi_f (scalbn, min_value / 4, INT_MIN, plus_zero, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION), + TEST_fi_f (scalbn, 1, INT_MAX, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION), + TEST_fi_f (scalbn, 1, INT_MIN, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION), + TEST_fi_f (scalbn, max_value, INT_MAX, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION), + TEST_fi_f (scalbn, max_value, INT_MIN, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION), + TEST_fi_f (scalbn, min_value, INT_MAX, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION), + TEST_fi_f (scalbn, min_value, INT_MIN, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION), + TEST_fi_f (scalbn, min_value / 4, INT_MAX, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION), + TEST_fi_f (scalbn, min_value / 4, INT_MIN, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION), + + TEST_fi_f (scalbn, -1, INT_MAX, minus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION), + TEST_fi_f (scalbn, -1, INT_MIN, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION), + TEST_fi_f (scalbn, -max_value, INT_MAX, minus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION), + TEST_fi_f (scalbn, -max_value, INT_MIN, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION), + TEST_fi_f (scalbn, -min_value, INT_MAX, minus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION), + TEST_fi_f (scalbn, -min_value, INT_MIN, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION), + TEST_fi_f (scalbn, -min_value / 4, INT_MAX, minus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION), + TEST_fi_f (scalbn, -min_value / 4, INT_MIN, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION), }; static void scalbn_test (void) { - - START (scalbn, 1); - RUN_TEST_LOOP_fi_f (scalbn, scalbn_test_data, ); - END; + ALL_RM_TEST (scalbn, 1, scalbn_test_data, RUN_TEST_LOOP_fi_f, END); } @@ -9839,43 +9845,67 @@ static const struct test_fl_f_data scalbln_test_data[] = TEST_fl_f (scalbln, 1, 0L, 1, NO_INEXACT_EXCEPTION), - TEST_fl_f (scalbln, 1, INT_MAX, plus_infty, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION), - TEST_fl_f (scalbln, 1, INT_MIN, plus_zero, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION), - TEST_fl_f (scalbln, max_value, INT_MAX, plus_infty, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION), - TEST_fl_f (scalbln, max_value, INT_MIN, plus_zero, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION), - TEST_fl_f (scalbln, min_value, INT_MAX, plus_infty, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION), - TEST_fl_f (scalbln, min_value, INT_MIN, plus_zero, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION), - TEST_fl_f (scalbln, min_value / 4, INT_MAX, plus_infty, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION), - TEST_fl_f (scalbln, min_value / 4, INT_MIN, plus_zero, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION), - - TEST_fl_f (scalbln, 1, LONG_MAX, plus_infty, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION), - TEST_fl_f (scalbln, 1, LONG_MIN, plus_zero, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION), - TEST_fl_f (scalbln, max_value, LONG_MAX, plus_infty, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION), - TEST_fl_f (scalbln, max_value, LONG_MIN, plus_zero, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION), - TEST_fl_f (scalbln, min_value, LONG_MAX, plus_infty, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION), - TEST_fl_f (scalbln, min_value, LONG_MIN, plus_zero, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION), - TEST_fl_f (scalbln, min_value / 4, LONG_MAX, plus_infty, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION), - TEST_fl_f (scalbln, min_value / 4, LONG_MIN, plus_zero, INEXACT_EXCEPTION|UNDERFLOW_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), #if LONG_MAX >= 0x100000000 - TEST_fl_f (scalbln, 1, 0x88000000L, plus_infty, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION), - TEST_fl_f (scalbln, 1, -0x88000000L, plus_zero, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION), - TEST_fl_f (scalbln, max_value, 0x88000000L, plus_infty, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION), - TEST_fl_f (scalbln, max_value, -0x88000000L, plus_zero, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION), - TEST_fl_f (scalbln, min_value, 0x88000000L, plus_infty, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION), - TEST_fl_f (scalbln, min_value, -0x88000000L, plus_zero, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION), - TEST_fl_f (scalbln, min_value / 4, 0x88000000L, plus_infty, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION), - TEST_fl_f (scalbln, min_value / 4, -0x88000000L, plus_zero, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION), + 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), #endif }; static void scalbln_test (void) { - - START (scalbln, 1); - RUN_TEST_LOOP_fl_f (scalbln, scalbln_test_data, ); - END; + ALL_RM_TEST (scalbln, 1, scalbln_test_data, RUN_TEST_LOOP_fl_f, END); }