Add some tests of hypot() and hypotf()


(gson)

/* $NetBSD: t_hypot.c,v 1.1 2016/01/24 20:26:47 gson Exp $ */

/*-
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 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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#include <atf-c.h>
#include <math.h>

ATF_TC(hypot_integer);
ATF_TC_HEAD(hypot_integer, tc)
{
	atf_tc_set_md_var(tc, "descr", "Test hypot with integer args");
}

ATF_TC_BODY(hypot_integer, tc)
{
	/* volatile so hypotf() won't be evaluated at compile time */
	volatile double a = 5;
	volatile double b = 12;
	ATF_CHECK(hypot(a, b) == 13.0);
}

ATF_TC(hypotf_integer);
ATF_TC_HEAD(hypotf_integer, tc)
{
	atf_tc_set_md_var(tc, "descr", "Test hypotf with integer args");
}

ATF_TC_BODY(hypotf_integer, tc)
{
	volatile float a = 5;
	volatile float b = 12;
	ATF_CHECK(hypotf(a, b) == 13.0f);
}

ATF_TC(pr50698);
ATF_TC_HEAD(pr50698, tc)
{
	atf_tc_set_md_var(tc, "descr", "Check for the bug of PR 50698");
}

ATF_TC_BODY(pr50698, tc)
{
	volatile float a = 1e-18f;
	float val = hypotf(a, a);
	ATF_CHECK(!isinf(val));
	ATF_CHECK(!isnan(val));
}

ATF_TP_ADD_TCS(tp)
{

	ATF_TP_ADD_TC(tp, hypot_integer);
	ATF_TP_ADD_TC(tp, hypotf_integer);
	ATF_TP_ADD_TC(tp, pr50698);

	return atf_no_error();
}