bbcf7f0221
This patch updates fputils to the latest revision (0721843) from the upstream repository (github.com/andysan/fputils). This effectively only updates the license of the library to match gem5's 3-clause BSD license. Change-Id: I46d8a5dfac2f4a95e66ee82a15288ac424d7df90 Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/22125 Reviewed-by: Anthony Gutierrez <anthony.gutierrez@amd.com> Reviewed-by: Jason Lowe-Power <jason@lowepower.com> Maintainer: Anthony Gutierrez <anthony.gutierrez@amd.com> Maintainer: Jason Lowe-Power <jason@lowepower.com> Tested-by: kokoro <noreply+kokoro@google.com>
86 lines
2.9 KiB
C
86 lines
2.9 KiB
C
/*
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* Copyright (c) 2013 Andreas Sandberg
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* All rights reserved
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Authors: Andreas Sandberg
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*/
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#include <fputils/fp80.h>
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#include "test_helper.h"
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#include <math.h>
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#include <stdio.h>
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#include <stdlib.h>
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/* We provide our own version of isinf_sgn since the C99 standard
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* doesn't guarantee that isinf() returns the sign of the infinity
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* (most implementations do). */
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static inline int
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isinf_sgn(double x)
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{
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return isinf(x) ? (signbit(x) ? -1 : 1) : 0;
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}
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static void
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test_fp80_cvtd_class(const char *name, fp80_t fin, int class)
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{
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double d = fp80_cvtd(fin);
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if (fpclassify(d) != class) {
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test_diag("wrong class");
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test_fail(name);
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} else {
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test_ok(name);
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}
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}
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static void
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test_fp80_cvtd_inf(const char *name, fp80_t fin, int expected_inf_class)
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{
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double d = fp80_cvtd(fin);
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if (isinf_sgn(d) != expected_inf_class) {
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test_diag("wrong infinity type");
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test_fail(name);
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} else {
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test_ok(name);
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}
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}
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int
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main(int argc, char *argv[])
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{
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test_init(6);
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test_fp80_cvtd_inf("fp80->double +inf", fp80_pinf, 1);
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test_fp80_cvtd_inf("fp80->double -inf", fp80_ninf, -1);
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test_fp80_cvtd_class("fp80->double qnan", fp80_qnan, FP_NAN);
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test_fp80_cvtd_class("fp80->double qnani", fp80_qnani, FP_NAN);
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test_fp80_cvtd_class("fp80->double snan", fp80_snan, FP_NAN);
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test_fp80_cvtd_class("fp80->double nan", fp80_nan, FP_NAN);
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test_exit();
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}
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