cdebaff820
This contains some new testcases in /usr/tests/...: - .../lib/libc - .../lib/libthr - .../lib/msun - .../sys/kern Tested on: amd64, i386 MFC after: 1 month
82 lines
1.9 KiB
C
82 lines
1.9 KiB
C
/* $NetBSD: t_casinh.c,v 1.2 2016/09/20 17:19:28 christos Exp $ */
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/*
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* Written by Maya Rashish
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* Public domain.
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*
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* Testing special values of casinh
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* Values from ISO/IEC 9899:201x G.6.2.2
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*/
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#include <atf-c.h>
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#include <complex.h>
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#include <math.h>
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#define RE(z) (((double *)(&z))[0])
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#define IM(z) (((double *)(&z))[1])
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static const struct {
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double input_re;
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double input_im;
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double result_re;
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double result_im;
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} values[] = {
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{ +0, +0, +0, +0},
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{ +5.032E3, +INFINITY, +INFINITY, +M_PI/2},
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{ +INFINITY, +5.023E3, +INFINITY, +0},
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{ +INFINITY, +INFINITY, +INFINITY, +M_PI/4},
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#ifdef __HAVE_NANF
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{ +INFINITY, +NAN, +INFINITY, +NAN},
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{ +5.032E3, +NAN, +NAN, +NAN}, /* + FE_INVALID optionally raised */
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{ +NAN, +0, +NAN, +0},
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{ +NAN, -5.023E3, +NAN, +NAN}, /* + FE_INVALID optionally raised */
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{ +NAN, +INFINITY, +INFINITY, +NAN}, /* sign of real part of result unspecified */
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{ +NAN, +NAN, +NAN, +NAN},
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#endif
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};
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#ifdef __HAVE_NANF
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#define both_nan(a,b) (isnan(a) && isnan(b))
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#else
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#define both_nan(a,b) 0
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#endif
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#define crude_equality(a,b) ((a == b) || both_nan(a,b))
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#define ATF_COMPLEX_EQUAL(a,b) do { \
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complex double ci = casinh(a); \
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ATF_CHECK_MSG(crude_equality(creal(ci),creal(b)) && \
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crude_equality(cimag(ci), cimag(b)), \
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"for casinh([%g,%g]) = [%g,%g] != [%g,%g]", \
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creal(a), cimag(a), creal(ci), cimag(ci), creal(b), cimag(b)); \
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} while (0/*CONSTCOND*/)
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ATF_TC(casinh);
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ATF_TC_HEAD(casinh, tc)
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{
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atf_tc_set_md_var(tc, "descr","Check casinh family - special values");
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}
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ATF_TC_BODY(casinh, tc)
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{
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complex double input;
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complex double result;
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unsigned int i;
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for (i = 0; i < __arraycount(values); i++) {
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RE(input) = values[i].input_re;
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IM(input) = values[i].input_im;
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RE(result) = values[i].result_re;
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IM(result) = values[i].result_im;
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ATF_COMPLEX_EQUAL(input, result);
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}
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}
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ATF_TP_ADD_TCS(tp)
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{
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ATF_TP_ADD_TC(tp, casinh);
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return atf_no_error();
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}
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