| /* |
| * |
| * Copyright (c) International Business Machines Corp., 2002 |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See |
| * the GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| /* 01/02/2003 Port to LTP avenkat@us.ibm.com */ |
| /* 06/30/2001 Port to Linux nsharoff@us.ibm.com */ |
| |
| /* |
| * NAME |
| * abs -- absolute integer value |
| * |
| * CALLS |
| * abs(3) |
| * |
| * ALGORITHM |
| * Check with variables. Also most neg value as listed |
| * on man page. |
| * |
| * RESTRICTIONS |
| * considered a long time - estimate this one |
| */ |
| #define _GNU_SOURCE 1 |
| |
| #include <stdio.h> /* needed by testhead.h */ |
| #include <stdlib.h> |
| #include <unistd.h> |
| #include <ctype.h> |
| #include <math.h> |
| #include <errno.h> |
| #include <values.h> |
| |
| /***** LTP Port *****/ |
| |
| #include "test.h" |
| #define FAILED 0 |
| #define PASSED 1 |
| |
| char *TCID = "abs01"; |
| int local_flag = PASSED; |
| int block_number; |
| int errno; |
| FILE *temp; |
| int TST_TOTAL = 1; |
| |
| void setup(); |
| int blenter(); |
| int blexit(); |
| |
| /********************************/ |
| |
| /*--------------------------------------------------------------*/ |
| int main(argc, argv) |
| int argc; |
| char *argv[]; |
| { |
| register long long i; |
| register int j, k, l, m; |
| |
| setup(); /* temp file is now open */ |
| /*--------------------------------------------------------------*/ |
| blenter(); |
| |
| i = llabs(MININT) + (long long)MININT; |
| |
| if (i != 0) { |
| fprintf(temp, "abs of minimum integer failed."); |
| local_flag = FAILED; |
| } |
| |
| blexit(); |
| /*--------------------------------------------------------------*/ |
| blenter(); |
| |
| i = llabs(0); |
| if (i != 0) { |
| fprintf(temp, "abs(0) failed, returned %lld\n", i); |
| local_flag = FAILED; |
| } |
| |
| blexit(); |
| /*--------------------------------------------------------------*/ |
| blenter(); |
| |
| for (m = 1; m >= 0; m <<= 1) { |
| j = ~m; |
| k = j + 1; |
| l = abs(k); |
| if (l != m) |
| local_flag = FAILED; |
| } |
| |
| blexit(); |
| /*--------------------------------------------------------------*/ |
| /* Clean up any files created by test before call to anyfail. */ |
| |
| tst_exit(); |
| } |
| |
| /*--------------------------------------------------------------*/ |
| |
| /***** LTP Port *****/ |
| void setup() |
| { |
| temp = stderr; |
| } |
| |
| int blenter() |
| { |
| local_flag = PASSED; |
| return (0); |
| } |
| |
| int blexit() |
| { |
| (local_flag == PASSED) ? tst_resm(TPASS, |
| "Test passed") : tst_resm(TFAIL, |
| "Test failed"); |
| return (0); |
| } |
| |
| /****** *****/ |