abe427af75
- Staticize variables. - Use nitems liberally. Wherever nitems is used, use unsigned integers - Remove unused variables (argc, argv, etc) This fixes most issues -- some issues remain in logarithm_test though. MFC after: 1 week Sponsored by: Dell EMC Isilon
150 lines
4.9 KiB
C
150 lines
4.9 KiB
C
/*-
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* Copyright (c) 2005-2008 David Schultz <das@FreeBSD.org>
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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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* 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 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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR 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, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* Test for lrint(), lrintf(), llrint(), and llrintf().
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <assert.h>
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#include <fenv.h>
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#include <limits.h>
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#include <math.h>
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#include <stdio.h>
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#ifdef __i386__
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#include <ieeefp.h>
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#endif
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/*
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* XXX The volatile here is to avoid gcc's bogus constant folding and work
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* around the lack of support for the FENV_ACCESS pragma.
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*/
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#define test(func, x, result, excepts) do { \
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volatile double _d = x; \
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assert(feclearexcept(FE_ALL_EXCEPT) == 0); \
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assert((func)(_d) == (result) || fetestexcept(FE_INVALID)); \
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assert(fetestexcept(FE_ALL_EXCEPT) == (excepts)); \
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} while (0)
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#define testall(x, result, excepts) do { \
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test(lrint, x, result, excepts); \
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test(lrintf, x, result, excepts); \
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test(lrintl, x, result, excepts); \
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test(llrint, x, result, excepts); \
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test(llrintf, x, result, excepts); \
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test(llrintl, x, result, excepts); \
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} while (0)
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#define IGNORE 0
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#pragma STDC FENV_ACCESS ON
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static void
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run_tests(void)
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{
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assert(fesetround(FE_DOWNWARD) == 0);
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testall(0.75, 0, FE_INEXACT);
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testall(-0.5, -1, FE_INEXACT);
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assert(fesetround(FE_TONEAREST) == 0);
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testall(0.0, 0, 0);
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testall(0.25, 0, FE_INEXACT);
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testall(0.5, 0, FE_INEXACT);
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testall(-2.5, -2, FE_INEXACT);
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testall(1.0, 1, 0);
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testall(0x12345000p0, 0x12345000, 0);
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testall(0x1234.fp0, 0x1235, FE_INEXACT);
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testall(INFINITY, IGNORE, FE_INVALID);
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testall(NAN, IGNORE, FE_INVALID);
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#if (LONG_MAX == 0x7fffffffl)
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assert(fesetround(FE_UPWARD) == 0);
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test(lrint, 0x7fffffff.8p0, IGNORE, FE_INVALID);
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test(lrint, -0x80000000.4p0, -0x80000000l, FE_INEXACT);
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assert(fesetround(FE_DOWNWARD) == 0);
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test(lrint, -0x80000000.8p0, IGNORE, FE_INVALID);
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test(lrint, 0x80000000.0p0, IGNORE, FE_INVALID);
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test(lrint, 0x7fffffff.4p0, 0x7fffffffl, FE_INEXACT);
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test(lrintf, 0x80000000.0p0f, IGNORE, FE_INVALID);
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test(lrintf, 0x7fffff80.0p0f, 0x7fffff80l, 0);
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assert(fesetround(FE_TOWARDZERO) == 0);
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test(lrint, 0x7fffffff.8p0, 0x7fffffffl, FE_INEXACT);
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test(lrint, -0x80000000.8p0, -0x80000000l, FE_INEXACT);
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test(lrint, 0x80000000.0p0, IGNORE, FE_INVALID);
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test(lrintf, 0x80000000.0p0f, IGNORE, FE_INVALID);
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test(lrintf, 0x7fffff80.0p0f, 0x7fffff80l, 0);
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#elif (LONG_MAX == 0x7fffffffffffffffll)
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assert(fesetround(FE_TONEAREST) == 0);
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test(lrint, 0x8000000000000000.0p0, IGNORE, FE_INVALID);
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test(lrintf, 0x8000000000000000.0p0f, IGNORE, FE_INVALID);
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test(lrint, 0x7ffffffffffffc00.0p0, 0x7ffffffffffffc00l, 0);
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test(lrintf, 0x7fffff8000000000.0p0f, 0x7fffff8000000000l, 0);
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test(lrint, -0x8000000000000800.0p0, IGNORE, FE_INVALID);
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test(lrintf, -0x8000010000000000.0p0f, IGNORE, FE_INVALID);
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test(lrint, -0x8000000000000000.0p0, -0x8000000000000000l, 0);
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test(lrintf, -0x8000000000000000.0p0f, -0x8000000000000000l, 0);
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#else
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#error "Unsupported long size"
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#endif
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#if (LLONG_MAX == 0x7fffffffffffffffLL)
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assert(fesetround(FE_TONEAREST) == 0);
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test(llrint, 0x8000000000000000.0p0, IGNORE, FE_INVALID);
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test(llrintf, 0x8000000000000000.0p0f, IGNORE, FE_INVALID);
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test(llrint, 0x7ffffffffffffc00.0p0, 0x7ffffffffffffc00ll, 0);
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test(llrintf, 0x7fffff8000000000.0p0f, 0x7fffff8000000000ll, 0);
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test(llrint, -0x8000000000000800.0p0, IGNORE, FE_INVALID);
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test(llrintf, -0x8000010000000000.0p0f, IGNORE, FE_INVALID);
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test(llrint, -0x8000000000000000.0p0, -0x8000000000000000ll, 0);
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test(llrintf, -0x8000000000000000.0p0f, -0x8000000000000000ll, 0);
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#else
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#error "Unsupported long long size"
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#endif
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}
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int
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main(void)
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{
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printf("1..1\n");
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run_tests();
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#ifdef __i386__
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fpsetprec(FP_PE);
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run_tests();
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#endif
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printf("ok 1 - lrint\n");
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return (0);
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}
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