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-rw-r--r--tools/regression/lib/msun/test-next.c265
1 files changed, 0 insertions, 265 deletions
diff --git a/tools/regression/lib/msun/test-next.c b/tools/regression/lib/msun/test-next.c
deleted file mode 100644
index d16fa77..0000000
--- a/tools/regression/lib/msun/test-next.c
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@@ -1,265 +0,0 @@
-/*-
- * Copyright (c) 2005 David Schultz <das@FreeBSD.org>
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-/*
- * Test the correctness of nextafter{,f,l} and nexttoward{,f,l}.
- */
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-#include <fenv.h>
-#include <float.h>
-#include <math.h>
-#include <stdio.h>
-#include <stdlib.h>
-
-#ifdef __i386__
-#include <ieeefp.h>
-#endif
-
-#include "test-utils.h"
-
-#define test(exp, ans, ex) do { \
- double __ans = (ans); \
- feclearexcept(ALL_STD_EXCEPT); \
- _testl(#exp, __LINE__, (exp), __ans, (ex)); \
-} while (0)
-#define testf(exp, ans, ex) do { \
- float __ans = (ans); \
- feclearexcept(ALL_STD_EXCEPT); \
- _testl(#exp, __LINE__, (exp), __ans, (ex)); \
-} while (0)
-#define testl(exp, ans, ex) do { \
- long double __ans = (ans); \
- feclearexcept(ALL_STD_EXCEPT); \
- _testl(#exp, __LINE__, (exp), __ans, (ex)); \
-} while (0)
-#define testboth(arg1, arg2, ans, ex, prec) do { \
- test##prec(nextafter##prec((arg1), (arg2)), (ans), (ex)); \
- test##prec(nexttoward##prec((arg1), (arg2)), (ans), (ex)); \
-} while (0)
-#define testall(arg1, arg2, ans, ex) do { \
- testboth((arg1), (arg2), (ans), (ex), ); \
- testboth((arg1), (arg2), (ans), (ex), f); \
- testboth((arg1), (arg2), (ans), (ex), l); \
-} while (0)
-
-static void _testl(const char *, int, long double, long double, int);
-static double idd(double);
-static float idf(float);
-
-int
-main(int argc, char *argv[])
-{
- static const int ex_under = FE_UNDERFLOW | FE_INEXACT; /* shorthand */
- static const int ex_over = FE_OVERFLOW | FE_INEXACT;
- long double ldbl_small, ldbl_eps, ldbl_max;
-
- printf("1..5\n");
-
-#ifdef __i386__
- fpsetprec(FP_PE);
-#endif
- /*
- * We can't use a compile-time constant here because gcc on
- * FreeBSD/i386 assumes long doubles are truncated to the
- * double format.
- */
- ldbl_small = ldexpl(1.0, LDBL_MIN_EXP - LDBL_MANT_DIG);
- ldbl_eps = LDBL_EPSILON;
- ldbl_max = ldexpl(1.0 - ldbl_eps / 2, LDBL_MAX_EXP);
-
- /*
- * Special cases involving zeroes.
- */
-#define ztest(prec) \
- test##prec(copysign##prec(1.0, nextafter##prec(0.0, -0.0)), -1.0, 0); \
- test##prec(copysign##prec(1.0, nextafter##prec(-0.0, 0.0)), 1.0, 0); \
- test##prec(copysign##prec(1.0, nexttoward##prec(0.0, -0.0)), -1.0, 0);\
- test##prec(copysign##prec(1.0, nexttoward##prec(-0.0, 0.0)), 1.0, 0)
-
- ztest();
- ztest(f);
- ztest(l);
-#undef ztest
-
-#define stest(next, eps, prec) \
- test##prec(next(-0.0, 42.0), eps, ex_under); \
- test##prec(next(0.0, -42.0), -eps, ex_under); \
- test##prec(next(0.0, INFINITY), eps, ex_under); \
- test##prec(next(-0.0, -INFINITY), -eps, ex_under)
-
- stest(nextafter, 0x1p-1074, );
- stest(nextafterf, 0x1p-149f, f);
- stest(nextafterl, ldbl_small, l);
- stest(nexttoward, 0x1p-1074, );
- stest(nexttowardf, 0x1p-149f, f);
- stest(nexttowardl, ldbl_small, l);
-#undef stest
-
- printf("ok 1 - next\n");
-
- /*
- * `x == y' and NaN tests
- */
- testall(42.0, 42.0, 42.0, 0);
- testall(-42.0, -42.0, -42.0, 0);
- testall(INFINITY, INFINITY, INFINITY, 0);
- testall(-INFINITY, -INFINITY, -INFINITY, 0);
- testall(NAN, 42.0, NAN, 0);
- testall(42.0, NAN, NAN, 0);
- testall(NAN, NAN, NAN, 0);
-
- printf("ok 2 - next\n");
-
- /*
- * Tests where x is an ordinary normalized number
- */
- testboth(1.0, 2.0, 1.0 + DBL_EPSILON, 0, );
- testboth(1.0, -INFINITY, 1.0 - DBL_EPSILON/2, 0, );
- testboth(1.0, 2.0, 1.0 + FLT_EPSILON, 0, f);
- testboth(1.0, -INFINITY, 1.0 - FLT_EPSILON/2, 0, f);
- testboth(1.0, 2.0, 1.0 + ldbl_eps, 0, l);
- testboth(1.0, -INFINITY, 1.0 - ldbl_eps/2, 0, l);
-
- testboth(-1.0, 2.0, -1.0 + DBL_EPSILON/2, 0, );
- testboth(-1.0, -INFINITY, -1.0 - DBL_EPSILON, 0, );
- testboth(-1.0, 2.0, -1.0 + FLT_EPSILON/2, 0, f);
- testboth(-1.0, -INFINITY, -1.0 - FLT_EPSILON, 0, f);
- testboth(-1.0, 2.0, -1.0 + ldbl_eps/2, 0, l);
- testboth(-1.0, -INFINITY, -1.0 - ldbl_eps, 0, l);
-
- /* Cases where nextafter(...) != nexttoward(...) */
- test(nexttoward(1.0, 1.0 + ldbl_eps), 1.0 + DBL_EPSILON, 0);
- testf(nexttowardf(1.0, 1.0 + ldbl_eps), 1.0 + FLT_EPSILON, 0);
- testl(nexttowardl(1.0, 1.0 + ldbl_eps), 1.0 + ldbl_eps, 0);
-
- printf("ok 3 - next\n");
-
- /*
- * Tests at word boundaries, normalization boundaries, etc.
- */
- testboth(0x1.87654ffffffffp+0, INFINITY, 0x1.87655p+0, 0, );
- testboth(0x1.87655p+0, -INFINITY, 0x1.87654ffffffffp+0, 0, );
- testboth(0x1.fffffffffffffp+0, INFINITY, 0x1p1, 0, );
- testboth(0x1p1, -INFINITY, 0x1.fffffffffffffp+0, 0, );
- testboth(0x0.fffffffffffffp-1022, INFINITY, 0x1p-1022, 0, );
- testboth(0x1p-1022, -INFINITY, 0x0.fffffffffffffp-1022, ex_under, );
-
- testboth(0x1.fffffep0f, INFINITY, 0x1p1, 0, f);
- testboth(0x1p1, -INFINITY, 0x1.fffffep0f, 0, f);
- testboth(0x0.fffffep-126f, INFINITY, 0x1p-126f, 0, f);
- testboth(0x1p-126f, -INFINITY, 0x0.fffffep-126f, ex_under, f);
-
-#if LDBL_MANT_DIG == 53
- testboth(0x1.87654ffffffffp+0L, INFINITY, 0x1.87655p+0L, 0, l);
- testboth(0x1.87655p+0L, -INFINITY, 0x1.87654ffffffffp+0L, 0, l);
- testboth(0x1.fffffffffffffp+0L, INFINITY, 0x1p1L, 0, l);
- testboth(0x1p1L, -INFINITY, 0x1.fffffffffffffp+0L, 0, l);
- testboth(0x0.fffffffffffffp-1022L, INFINITY, 0x1p-1022L, 0, l);
- testboth(0x1p-1022L, -INFINITY, 0x0.fffffffffffffp-1022L, ex_under, l);
-#elif LDBL_MANT_DIG == 64 && !defined(__i386)
- testboth(0x1.87654321fffffffep+0L, INFINITY, 0x1.87654322p+0L, 0, l);
- testboth(0x1.87654322p+0L, -INFINITY, 0x1.87654321fffffffep+0L, 0, l);
- testboth(0x1.fffffffffffffffep0L, INFINITY, 0x1p1L, 0, l);
- testboth(0x1p1L, -INFINITY, 0x1.fffffffffffffffep0L, 0, l);
- testboth(0x0.fffffffffffffffep-16382L, INFINITY, 0x1p-16382L, 0, l);
- testboth(0x1p-16382L, -INFINITY,
- 0x0.fffffffffffffffep-16382L, ex_under, l);
-#elif LDBL_MANT_DIG == 113
- testboth(0x1.876543210987ffffffffffffffffp+0L, INFINITY,
- 0x1.876543210988p+0, 0, l);
- testboth(0x1.876543210988p+0L, -INFINITY,
- 0x1.876543210987ffffffffffffffffp+0L, 0, l);
- testboth(0x1.ffffffffffffffffffffffffffffp0L, INFINITY, 0x1p1L, 0, l);
- testboth(0x1p1L, -INFINITY, 0x1.ffffffffffffffffffffffffffffp0L, 0, l);
- testboth(0x0.ffffffffffffffffffffffffffffp-16382L, INFINITY,
- 0x1p-16382L, 0, l);
- testboth(0x1p-16382L, -INFINITY,
- 0x0.ffffffffffffffffffffffffffffp-16382L, ex_under, l);
-#endif
-
- printf("ok 4 - next\n");
-
- /*
- * Overflow tests
- */
- test(idd(nextafter(DBL_MAX, INFINITY)), INFINITY, ex_over);
- test(idd(nextafter(INFINITY, 0.0)), DBL_MAX, 0);
- test(idd(nexttoward(DBL_MAX, DBL_MAX * 2.0L)), INFINITY, ex_over);
-#if LDBL_MANT_DIG > 53
- test(idd(nexttoward(INFINITY, DBL_MAX * 2.0L)), DBL_MAX, 0);
-#endif
-
- testf(idf(nextafterf(FLT_MAX, INFINITY)), INFINITY, ex_over);
- testf(idf(nextafterf(INFINITY, 0.0)), FLT_MAX, 0);
- testf(idf(nexttowardf(FLT_MAX, FLT_MAX * 2.0)), INFINITY, ex_over);
- testf(idf(nexttowardf(INFINITY, FLT_MAX * 2.0)), FLT_MAX, 0);
-
- testboth(ldbl_max, INFINITY, INFINITY, ex_over, l);
- testboth(INFINITY, 0.0, ldbl_max, 0, l);
-
- printf("ok 5 - next\n");
-
- return (0);
-}
-
-static void
-_testl(const char *exp, int line, long double actual, long double expected,
- int except)
-{
- int actual_except;
-
- actual_except = fetestexcept(ALL_STD_EXCEPT);
- if (!fpequal(actual, expected)) {
- fprintf(stderr, "%d: %s returned %La, expecting %La\n",
- line, exp, actual, expected);
- abort();
- }
- if (actual_except != except) {
- fprintf(stderr, "%d: %s raised 0x%x, expecting 0x%x\n",
- line, exp, actual_except, except);
- abort();
- }
-}
-
-/*
- * The idd() and idf() routines ensure that doubles and floats are
- * converted to their respective types instead of stored in the FPU
- * with extra precision.
- */
-static double
-idd(double x)
-{
- return (x);
-}
-
-static float
-idf(float x)
-{
- return (x);
-}
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