/*
 * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers.
 *      All rights reserved.
 *
 * By using this file, you agree to the terms and conditions set
 * forth in the LICENSE file which can be found at the top level of
 * the sendmail distribution.
 */

#include <sm/gen.h>
SM_IDSTR(id, "@(#)$Id: t-float.c,v 1.16 2001/02/02 23:11:46 ca Exp $")

#include <sm/limits.h>
#include <sm/io.h>
#include <sm/string.h>
#include <sm/test.h>
#include <sm/types.h>

int
main(argc, argv)
        int argc;
        char **argv;
{
        double d, d2;
        double ld;
        char buf[128];
        char *r;

        /*
        **  Sendmail uses printf and scanf with doubles,
        **  so make sure that this works.
        */

        sm_test_begin(argc, argv, "test floating point stuff");

        d = 1.125;
        sm_snprintf(buf, sizeof(buf), "%d %.3f %d", 0, d, 1);
        r = "0 1.125 1";
        if (!SM_TEST(strcmp(buf, r) == 0))
                (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT,
                                     "got %s instead\n", buf);

        d = 1.125;
        sm_snprintf(buf, sizeof(buf), "%.3f", d);
        r = "1.125";
        if (!SM_TEST(strcmp(buf, r) == 0))
                (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT,
                                     "got %s instead\n", buf);
        d2 = 0.0;
        sm_io_sscanf(buf, "%lf", &d2);
#if SM_CONF_BROKEN_STRTOD
        if (d != d2)
        {
                (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT,
                                     "wanted %f, got %f\n", d, d2);
                (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT,
                                     "error ignored since SM_CONF_BROKEN_STRTOD is set for this OS\n");
        }
#else /* SM_CONF_BROKEN_STRTOD */
        if (!SM_TEST(d == d2))
                (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT,
                                     "wanted %f, got %f\n", d, d2);
#endif /* SM_CONF_BROKEN_STRTOD */

        ld = 2.5;
        sm_snprintf(buf, sizeof(buf), "%.3f %.1f", d, ld);
        r = "1.125 2.5";
        if (!SM_TEST(strcmp(buf, r) == 0))
                (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT,
                                     "got %s instead\n", buf);
        return sm_test_end();
}