7c52865d1b
This changeset updates the external library to git revision 52b6190b4e. This update includes changes that fix compilation errors on old gcc versions and fixes to test a case that affect ICC.
85 lines
2.7 KiB
C
85 lines
2.7 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
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* are met:
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*
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* 1. 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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* 2. Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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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
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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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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