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>
84 lines
2.6 KiB
C
84 lines
2.6 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 <assert.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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static void
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test_cvtf(const char *name, double fin)
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{
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fp80_t v80 = fp80_cvfd(fin);
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double v64 = fp80_cvtd(v80);
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test_diag("Conversion '%e' -> fp80 -> double: %e", fin, v64);
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printf("# ");
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fp80_debug_dump(stdout, v80);
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if (v64 == fin ||
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(isnan(fin) && isnan(v64) && signbit(fin) == signbit(v64))) {
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test_ok(name);
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} else {
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test_diag("MISMATCH: %e != %e", fin, v64);
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test_fail(name);
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}
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}
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static void
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test_cvtf_exp(const char *name, double x, int exp)
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{
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double val = ldexp(x, exp);
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test_cvtf(name, val);
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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(9);
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test_cvtf("+inf", -INFINITY);
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test_cvtf("-inf", INFINITY);
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test_cvtf("+nan", NAN);
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test_cvtf("-nan", -NAN);
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test_cvtf("+0", 0);
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test_cvtf("PI", M_PI);
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test_cvtf_exp("smallest normal", 1.0, -1022);
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test_cvtf_exp("denormal1", 0.5, -1022);
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test_cvtf_exp("denormal2", 0.25, -1022);
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test_exit();
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}
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