2 * Copyright (c) 2004 Stefan Farfeleder
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 #include "test-utils.h"
37 ATF_TC_WITHOUT_HEAD(ilogb);
38 ATF_TC_BODY(ilogb, tc)
44 ATF_CHECK_EQ(FP_ILOGB0, ilogb(0));
45 ATF_CHECK_EQ(FP_ILOGBNAN, ilogb(NAN));
46 ATF_CHECK_EQ(INT_MAX, ilogb(INFINITY));
47 for (e = DBL_MIN_EXP - DBL_MANT_DIG; e < DBL_MAX_EXP; e++) {
48 snprintf(buf, sizeof(buf), "0x1.p%d", e);
49 d = strtod(buf, &end);
50 ATF_CHECK_EQ('\0', *end);
52 ATF_CHECK_EQ_MSG(e, i, "ilogb(%g) returned %d not %d", d, i, e);
56 ATF_TC_WITHOUT_HEAD(ilogbf);
57 ATF_TC_BODY(ilogbf, tc)
63 ATF_CHECK_EQ(FP_ILOGB0, ilogbf(0));
64 ATF_CHECK_EQ(FP_ILOGBNAN, ilogbf(NAN));
65 ATF_CHECK_EQ(INT_MAX, ilogbf(INFINITY));
66 for (e = FLT_MIN_EXP - FLT_MANT_DIG; e < FLT_MAX_EXP; e++) {
67 snprintf(buf, sizeof(buf), "0x1.p%d", e);
68 f = strtof(buf, &end);
69 ATF_CHECK_EQ('\0', *end);
71 ATF_CHECK_EQ_MSG(e, i, "ilogbf(%g) returned %d not %d", f, i,
76 ATF_TC_WITHOUT_HEAD(ilogbl);
77 ATF_TC_BODY(ilogbl, tc)
83 ATF_CHECK_EQ(FP_ILOGB0, ilogbl(0));
84 ATF_CHECK_EQ(FP_ILOGBNAN, ilogbl(NAN));
85 ATF_CHECK_EQ(INT_MAX, ilogbl(INFINITY));
86 for (e = LDBL_MIN_EXP - LDBL_MANT_DIG; e < LDBL_MAX_EXP; e++) {
87 snprintf(buf, sizeof(buf), "0x1.p%d", e);
88 ld = strtold(buf, &end);
89 ATF_CHECK_EQ('\0', *end);
91 ATF_CHECK_EQ_MSG(e, i, "ilogbl(%Lg) returned %d not %d", ld, i,
98 ATF_TP_ADD_TC(tp, ilogb);
99 ATF_TP_ADD_TC(tp, ilogbf);
100 ATF_TP_ADD_TC(tp, ilogbl);
102 return (atf_no_error());