Split libm-test.inc by function.

Continuing the process of splitting up libm tests into more reasonably
sized units, this patch splits libm-test.inc into 121 separate
libm-test-<function>.inc files, one per array of test data.  (There
are 126 libm *_test functions, but five of those are for functions
that are aliases for test purposes and so share arrays of test data.)

In the present patch, the 121 files get processed separately by
gen-libm-test.pl, each using only the auto-libm-test-out-<function>
file that is relevant (/dev/null for functions not using
auto-libm-test-* at all).  This effectively eliminates the
serialization on running gen-libm-test.pl.  However, the resulting .c
files still all get #included together, so compiling the limited
number of libm tests using libm-test.inc may still act as a
serialization point (the compilations still all have 40 MB of code to
process).  libm-test.inc doesn't actually have anything in it any more
that needs gen-libm-test.pl processing, but is left as a .inc file
that gets processed to produce a .c file, rather than being renamed,
since the intent of this patch is as an intermediate step before
libm-test.inc gets removed and tests get compiled separately for each
function being tested.

Tested for x86_64.

	* math/libm-test.inc: Move all tests of individual functions to
	libm-test-*.inc and #include libm-test-*.c files.
	(acos_test_data): Remove.
	(acos_test): Likewise.
	(acosh_test_data): Likewise.
	(acosh_test): Likewise.
	(asin_test_data): Likewise.
	(asin_test): Likewise.
	(asinh_test_data): Likewise.
	(asinh_test): Likewise.
	(atan_test_data): Likewise.
	(atan_test): Likewise.
	(atanh_test_data): Likewise.
	(atanh_test): Likewise.
	(atan2_test_data): Likewise.
	(atan2_test): Likewise.
	(cabs_test_data): Likewise.
	(cabs_test): Likewise.
	(cacos_test_data): Likewise.
	(cacos_test): Likewise.
	(cacosh_test_data): Likewise.
	(cacosh_test): Likewise.
	(canonicalize_test_data): Likewise.
	(canonicalize_test): Likewise.
	(carg_test_data): Likewise.
	(carg_test): Likewise.
	(casin_test_data): Likewise.
	(casin_test): Likewise.
	(casinh_test_data): Likewise.
	(casinh_test): Likewise.
	(catan_test_data): Likewise.
	(catan_test): Likewise.
	(catanh_test_data): Likewise.
	(catanh_test): Likewise.
	(cbrt_test_data): Likewise.
	(cbrt_test): Likewise.
	(ccos_test_data): Likewise.
	(ccos_test): Likewise.
	(ccosh_test_data): Likewise.
	(ccosh_test): Likewise.
	(ceil_test_data): Likewise.
	(ceil_test): Likewise.
	(cexp_test_data): Likewise.
	(cexp_test): Likewise.
	(cimag_test_data): Likewise.
	(cimag_test): Likewise.
	(clog_test_data): Likewise.
	(clog_test): Likewise.
	(clog10_test_data): Likewise.
	(clog10_test): Likewise.
	(conj_test_data): Likewise.
	(conj_test): Likewise.
	(copysign_test_data): Likewise.
	(copysign_test): Likewise.
	(cos_test_data): Likewise.
	(cos_test): Likewise.
	(cosh_test_data): Likewise.
	(cosh_test): Likewise.
	(cpow_test_data): Likewise.
	(cpow_test): Likewise.
	(cproj_test_data): Likewise.
	(cproj_test): Likewise.
	(creal_test_data): Likewise.
	(creal_test): Likewise.
	(csin_test_data): Likewise.
	(csin_test): Likewise.
	(csinh_test_data): Likewise.
	(csinh_test): Likewise.
	(csqrt_test_data): Likewise.
	(csqrt_test): Likewise.
	(ctan_test_data): Likewise.
	(ctan_test): Likewise.
	(ctanh_test_data): Likewise.
	(ctanh_test): Likewise.
	(erf_test_data): Likewise.
	(erf_test): Likewise.
	(erfc_test_data): Likewise.
	(erfc_test): Likewise.
	(exp_test_data): Likewise.
	(exp_test): Likewise.
	(exp10_test_data): Likewise.
	(exp10_test): Likewise.
	(pow10_test): Likewise.
	(exp2_test_data): Likewise.
	(exp2_test): Likewise.
	(expm1_test_data): Likewise.
	(expm1_test): Likewise.
	(fabs_test_data): Likewise.
	(fabs_test): Likewise.
	(fdim_test_data): Likewise.
	(fdim_test): Likewise.
	(floor_test_data): Likewise.
	(floor_test): Likewise.
	(fma_test_data): Likewise.
	(fma_test): Likewise.
	(fmax_test_data): Likewise.
	(fmax_test): Likewise.
	(fmaxmag_test_data): Likewise.
	(fmaxmag_test): Likewise.
	(fmin_test_data): Likewise.
	(fmin_test): Likewise.
	(fminmag_test_data): Likewise.
	(fminmag_test): Likewise.
	(fmod_test_data): Likewise.
	(fmod_test): Likewise.
	(fpclassify_test_data): Likewise.
	(fpclassify_test): Likewise.
	(frexp_test_data): Likewise.
	(frexp_test): Likewise.
	(fromfp_test_data): Likewise.
	(fromfp_test): Likewise.
	(fromfpx_test_data): Likewise.
	(fromfpx_test): Likewise.
	(getpayload_test_data): Likewise.
	(getpayload_test): Likewise.
	(hypot_test_data): Likewise.
	(hypot_test): Likewise.
	(ilogb_test_data): Likewise.
	(ilogb_test): Likewise.
	(iscanonical_test_data): Likewise.
	(iscanonical_test): Likewise.
	(iseqsig_test_data): Likewise.
	(iseqsig_test): Likewise.
	(isfinite_test_data): Likewise.
	(isfinite_test): Likewise.
	(finite_test): Likewise.
	(isgreater_test_data): Likewise.
	(isgreater_test): Likewise.
	(isgreaterequal_test_data): Likewise.
	(isgreaterequal_test): Likewise.
	(isinf_test_data): Likewise.
	(isinf_test): Likewise.
	(isless_test_data): Likewise.
	(isless_test): Likewise.
	(islessequal_test_data): Likewise.
	(islessequal_test): Likewise.
	(islessgreater_test_data): Likewise.
	(islessgreater_test): Likewise.
	(isnan_test_data): Likewise.
	(isnan_test): Likewise.
	(isnormal_test_data): Likewise.
	(isnormal_test): Likewise.
	(issignaling_test_data): Likewise.
	(issignaling_test): Likewise.
	(issubnormal_test_data): Likewise.
	(issubnormal_test): Likewise.
	(isunordered_test_data): Likewise.
	(isunordered_test): Likewise.
	(iszero_test_data): Likewise.
	(iszero_test): Likewise.
	(j0_test_data): Likewise.
	(j0_test): Likewise.
	(j1_test_data): Likewise.
	(j1_test): Likewise.
	(jn_test_data): Likewise.
	(jn_test): Likewise.
	(lgamma_test_data): Likewise.
	(lgamma_test): Likewise.
	(gamma_test): Likewise.
	(llogb_test_data): Likewise.
	(llogb_test): Likewise.
	(lrint_test_data): Likewise.
	(lrint_test): Likewise.
	(llrint_test_data): Likewise.
	(llrint_test): Likewise.
	(log_test_data): Likewise.
	(log_test): Likewise.
	(log10_test_data): Likewise.
	(log10_test): Likewise.
	(log1p_test_data): Likewise.
	(log1p_test): Likewise.
	(log2_test_data): Likewise.
	(log2_test): Likewise.
	(logb_test_data): Likewise.
	(logb_test): Likewise.
	(lround_test_data): Likewise.
	(lround_test): Likewise.
	(llround_test_data): Likewise.
	(llround_test): Likewise.
	(modf_test_data): Likewise.
	(modf_test): Likewise.
	(nearbyint_test_data): Likewise.
	(nearbyint_test): Likewise.
	(nextafter_test_data): Likewise.
	(nextafter_test): Likewise.
	(nextup_test_data): Likewise.
	(nextup_test): Likewise.
	(nextdown_test_data): Likewise.
	(nextdown_test): Likewise.
	(nexttoward_test_data): Likewise.
	(nexttoward_test): Likewise.
	(pow_test_data): Likewise.
	(pow_test): Likewise.
	(remainder_test_data): Likewise.
	(remainder_test): Likewise.
	(drem_test): Likewise.
	(remquo_test_data): Likewise.
	(remquo_test): Likewise.
	(rint_test_data): Likewise.
	(rint_test): Likewise.
	(round_test_data): Likewise.
	(round_test): Likewise.
	(roundeven_test_data): Likewise.
	(roundeven_test): Likewise.
	(scalb_test_data): Likewise.
	(scalb_test): Likewise.
	(scalbn_test_data): Likewise.
	(scalbn_test): Likewise.
	(ldexp_test): Likewise.
	(scalbln_test_data): Likewise.
	(scalbln_test): Likewise.
	(setpayload_test_data): Likewise.
	(setpayload_test): Likewise.
	(setpayloadsig_test_data): Likewise.
	(setpayloadsig_test): Likewise.
	(signbit_test_data): Likewise.
	(signbit_test): Likewise.
	(sin_test_data): Likewise.
	(sin_test): Likewise.
	(sincos_test_data): Likewise.
	(sincos_test): Likewise.
	(sinh_test_data): Likewise.
	(sinh_test): Likewise.
	(sqrt_test_data): Likewise.
	(sqrt_test): Likewise.
	(tan_test_data): Likewise.
	(tan_test): Likewise.
	(tanh_test_data): Likewise.
	(tanh_test): Likewise.
	(tgamma_test_data): Likewise.
	(tgamma_test): Likewise.
	(totalorder_test_data): Likewise.
	(totalorder_test): Likewise.
	(totalordermag_test_data): Likewise.
	(totalordermag_test): Likewise.
	(trunc_test_data): Likewise.
	(trunc_test): Likewise.
	(ufromfp_test_data): Likewise.
	(ufromfp_test): Likewise.
	(ufromfpx_test_data): Likewise.
	(ufromfpx_test): Likewise.
	(y0_test_data): Likewise.
	(y0_test): Likewise.
	(y1_test_data): Likewise.
	(y1_test): Likewise.
	(yn_test_data): Likewise.
	(yn_test): Likewise.
	(significand_test_data): Likewise.
	(significand_test): Likewise.
	* math/Makefile (auto-libm-test-out-files): Remove variable.
	(libm-test-funcs-noauto): New variable.
	(libm-test-funcs-all): Likewise.
	(libm-test-c-auto): Likewise.
	(libm-test-c-noauto): Likewise.
	(libm-tests-generated): Add $(libm-test-c-auto) and
	$(libm-test-c-noauto).
	(generated): Do not add auto-libm-test-out.
	(libm-test-c-auto-obj): New variable.
	(libm-test-c-noauto-obj): Likewise.
	($(objpfx)libm-test.c): Do not generate or use auto-libm-test-out.
	($(libm-test-c-noauto-obj)): New static pattern rule.
	($(libm-test-c-auto-obj)): Likewise.
	(libm-test-incs): New variable.
	($(objpfx)libm-have-vector-test.h): Depend on $(libm-test-incs)
	and pass it to gen-libm-have-vector-test.sh.
	* math/gen-libm-have-vector-test.sh: Expect list of .inc files to
	be passed on command line.
	* math/libm-test-acos.inc: New file.  Content from
	math/libm-test.inc.
	* math/libm-test-acosh.inc: Likewise.
	* math/libm-test-asin.inc: Likewise.
	* math/libm-test-asinh.inc: Likewise.
	* math/libm-test-atan.inc: Likewise.
	* math/libm-test-atan2.inc: Likewise.
	* math/libm-test-atanh.inc: Likewise.
	* math/libm-test-cabs.inc: Likewise.
	* math/libm-test-cacos.inc: Likewise.
	* math/libm-test-cacosh.inc: Likewise.
	* math/libm-test-canonicalize.inc: Likewise.
	* math/libm-test-carg.inc: Likewise.
	* math/libm-test-casin.inc: Likewise.
	* math/libm-test-casinh.inc: Likewise.
	* math/libm-test-catan.inc: Likewise.
	* math/libm-test-catanh.inc: Likewise.
	* math/libm-test-cbrt.inc: Likewise.
	* math/libm-test-ccos.inc: Likewise.
	* math/libm-test-ccosh.inc: Likewise.
	* math/libm-test-ceil.inc: Likewise.
	* math/libm-test-cexp.inc: Likewise.
	* math/libm-test-cimag.inc: Likewise.
	* math/libm-test-clog.inc: Likewise.
	* math/libm-test-clog10.inc: Likewise.
	* math/libm-test-conj.inc: Likewise.
	* math/libm-test-copysign.inc: Likewise.
	* math/libm-test-cos.inc: Likewise.
	* math/libm-test-cosh.inc: Likewise.
	* math/libm-test-cpow.inc: Likewise.
	* math/libm-test-cproj.inc: Likewise.
	* math/libm-test-creal.inc: Likewise.
	* math/libm-test-csin.inc: Likewise.
	* math/libm-test-csinh.inc: Likewise.
	* math/libm-test-csqrt.inc: Likewise.
	* math/libm-test-ctan.inc: Likewise.
	* math/libm-test-ctanh.inc: Likewise.
	* math/libm-test-erf.inc: Likewise.
	* math/libm-test-erfc.inc: Likewise.
	* math/libm-test-exp.inc: Likewise.
	* math/libm-test-exp10.inc: Likewise.
	* math/libm-test-exp2.inc: Likewise.
	* math/libm-test-expm1.inc: Likewise.
	* math/libm-test-fabs.inc: Likewise.
	* math/libm-test-fdim.inc: Likewise.
	* math/libm-test-floor.inc: Likewise.
	* math/libm-test-fma.inc: Likewise.
	* math/libm-test-fmax.inc: Likewise.
	* math/libm-test-fmaxmag.inc: Likewise.
	* math/libm-test-fmin.inc: Likewise.
	* math/libm-test-fminmag.inc: Likewise.
	* math/libm-test-fmod.inc: Likewise.
	* math/libm-test-fpclassify.inc: Likewise.
	* math/libm-test-frexp.inc: Likewise.
	* math/libm-test-fromfp.inc: Likewise.
	* math/libm-test-fromfpx.inc: Likewise.
	* math/libm-test-getpayload.inc: Likewise.
	* math/libm-test-hypot.inc: Likewise.
	* math/libm-test-ilogb.inc: Likewise.
	* math/libm-test-iscanonical.inc: Likewise.
	* math/libm-test-iseqsig.inc: Likewise.
	* math/libm-test-isfinite.inc: Likewise.
	* math/libm-test-isgreater.inc: Likewise.
	* math/libm-test-isgreaterequal.inc: Likewise.
	* math/libm-test-isinf.inc: Likewise.
	* math/libm-test-isless.inc: Likewise.
	* math/libm-test-islessequal.inc: Likewise.
	* math/libm-test-islessgreater.inc: Likewise.
	* math/libm-test-isnan.inc: Likewise.
	* math/libm-test-isnormal.inc: Likewise.
	* math/libm-test-issignaling.inc: Likewise.
	* math/libm-test-issubnormal.inc: Likewise.
	* math/libm-test-isunordered.inc: Likewise.
	* math/libm-test-iszero.inc: Likewise.
	* math/libm-test-j0.inc: Likewise.
	* math/libm-test-j1.inc: Likewise.
	* math/libm-test-jn.inc: Likewise.
	* math/libm-test-lgamma.inc: Likewise.
	* math/libm-test-llogb.inc: Likewise.
	* math/libm-test-llrint.inc: Likewise.
	* math/libm-test-llround.inc: Likewise.
	* math/libm-test-log.inc: Likewise.
	* math/libm-test-log10.inc: Likewise.
	* math/libm-test-log1p.inc: Likewise.
	* math/libm-test-log2.inc: Likewise.
	* math/libm-test-logb.inc: Likewise.
	* math/libm-test-lrint.inc: Likewise.
	* math/libm-test-lround.inc: Likewise.
	* math/libm-test-modf.inc: Likewise.
	* math/libm-test-nearbyint.inc: Likewise.
	* math/libm-test-nextafter.inc: Likewise.
	* math/libm-test-nextdown.inc: Likewise.
	* math/libm-test-nexttoward.inc: Likewise.
	* math/libm-test-nextup.inc: Likewise.
	* math/libm-test-pow.inc: Likewise.
	* math/libm-test-remainder.inc: Likewise.
	* math/libm-test-remquo.inc: Likewise.
	* math/libm-test-rint.inc: Likewise.
	* math/libm-test-round.inc: Likewise.
	* math/libm-test-roundeven.inc: Likewise.
	* math/libm-test-scalb.inc: Likewise.
	* math/libm-test-scalbln.inc: Likewise.
	* math/libm-test-scalbn.inc: Likewise.
	* math/libm-test-setpayload.inc: Likewise.
	* math/libm-test-setpayloadsig.inc: Likewise.
	* math/libm-test-signbit.inc: Likewise.
	* math/libm-test-significand.inc: Likewise.
	* math/libm-test-sin.inc: Likewise.
	* math/libm-test-sincos.inc: Likewise.
	* math/libm-test-sinh.inc: Likewise.
	* math/libm-test-sqrt.inc: Likewise.
	* math/libm-test-tan.inc: Likewise.
	* math/libm-test-tanh.inc: Likewise.
	* math/libm-test-tgamma.inc: Likewise.
	* math/libm-test-totalorder.inc: Likewise.
	* math/libm-test-totalordermag.inc: Likewise.
	* math/libm-test-trunc.inc: Likewise.
	* math/libm-test-ufromfp.inc: Likewise.
	* math/libm-test-ufromfpx.inc: Likewise.
	* math/libm-test-y0.inc: Likewise.
	* math/libm-test-y1.inc: Likewise.
	* math/libm-test-yn.inc: Likewise.
	* math/README.libm-test: Update.

1 files changed, 186 insertions, 0 deletions

diff --git a/math/libm-test-trunc.inc b/math/libm-test-trunc.inc
new file mode 100644
index 0000000000..97da772e09
--- /dev/null
+++ b/math/libm-test-trunc.inc
@@ -0,0 +1,186 @@
+/* Test trunc.
+   Copyright (C) 1997-2017 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+static const struct test_f_f_data trunc_test_data[] =
+  {
+    TEST_f_f (trunc, plus_infty, plus_infty, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, minus_infty, minus_infty, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_f_f (trunc, -snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+
+    TEST_f_f (trunc, 0, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, minus_zero, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, min_subnorm_value, 0.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, min_value, 0.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, 1, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, 2, 2, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, 0x1p23, 0x1p23, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, 0x1p24, 0x1p24, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, 0x1p25, 0x1p25, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, 0x1p52, 0x1p52, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, 0x1p53, 0x1p53, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, 0x1p54, 0x1p54, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, 0x1p63, 0x1p63, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, 0x1p64, 0x1p64, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, 0x1p65, 0x1p65, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, 0x1p105, 0x1p105, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, 0x1p106, 0x1p106, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, 0x1p107, 0x1p107, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, 0x1p112, 0x1p112, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, 0x1p113, 0x1p113, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, 0x1p114, 0x1p114, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, max_value, max_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, -min_subnorm_value, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, -min_value, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, -1, -1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, -2, -2, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, -0x1p23, -0x1p23, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, -0x1p24, -0x1p24, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, -0x1p25, -0x1p25, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, -0x1p52, -0x1p52, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, -0x1p53, -0x1p53, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, -0x1p54, -0x1p54, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, -0x1p63, -0x1p63, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, -0x1p64, -0x1p64, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, -0x1p65, -0x1p65, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, -0x1p105, -0x1p105, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, -0x1p106, -0x1p106, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, -0x1p107, -0x1p107, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, -0x1p112, -0x1p112, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, -0x1p113, -0x1p113, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, -0x1p114, -0x1p114, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, -max_value, -max_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+
+    TEST_f_f (trunc, 0.1, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, 0.25, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, 0.625, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, -0.1, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, -0.25, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, -0.625, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, 1, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, -1, -1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, 1.625, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, -1.625, -1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+
+    TEST_f_f (trunc, 1048580.625L, 1048580L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, -1048580.625L, -1048580L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+
+    TEST_f_f (trunc, 8388610.125L, 8388610.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, -8388610.125L, -8388610.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+
+    TEST_f_f (trunc, 4294967296.625L, 4294967296.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, -4294967296.625L, -4294967296.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+
+#if MANT_DIG >= 64
+    /* The result can only be represented in long double.  */
+    TEST_f_f (trunc, 4503599627370495.5L, 4503599627370495.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, 4503599627370496.25L, 4503599627370496.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, 4503599627370496.5L, 4503599627370496.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, 4503599627370496.75L, 4503599627370496.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, 4503599627370497.5L, 4503599627370497.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+
+# if MANT_DIG > 100
+    TEST_f_f (trunc, 4503599627370494.5000000000001L, 4503599627370494.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, 4503599627370495.5000000000001L, 4503599627370495.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, 4503599627370496.5000000000001L, 4503599627370496.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+# endif
+
+    TEST_f_f (trunc, -4503599627370495.5L, -4503599627370495.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, -4503599627370496.25L, -4503599627370496.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, -4503599627370496.5L, -4503599627370496.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, -4503599627370496.75L, -4503599627370496.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, -4503599627370497.5L, -4503599627370497.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+
+# if MANT_DIG > 100
+    TEST_f_f (trunc, -4503599627370494.5000000000001L, -4503599627370494.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, -4503599627370495.5000000000001L, -4503599627370495.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, -4503599627370496.5000000000001L, -4503599627370496.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+# endif
+
+    TEST_f_f (trunc, 9007199254740991.5L, 9007199254740991.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, 9007199254740992.25L, 9007199254740992.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, 9007199254740992.5L, 9007199254740992.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, 9007199254740992.75L, 9007199254740992.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, 9007199254740993.5L, 9007199254740993.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+
+# if MANT_DIG > 100
+    TEST_f_f (trunc, 9007199254740991.0000000000001L, 9007199254740991.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, 9007199254740992.0000000000001L, 9007199254740992.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, 9007199254740993.0000000000001L, 9007199254740993.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, 9007199254740991.5000000000001L, 9007199254740991.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, 9007199254740992.5000000000001L, 9007199254740992.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, 9007199254740993.5000000000001L, 9007199254740993.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+# endif
+
+    TEST_f_f (trunc, -9007199254740991.5L, -9007199254740991.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, -9007199254740992.25L, -9007199254740992.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, -9007199254740992.5L, -9007199254740992.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, -9007199254740992.75L, -9007199254740992.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, -9007199254740993.5L, -9007199254740993.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+
+# if MANT_DIG > 100
+    TEST_f_f (trunc, -9007199254740991.0000000000001L, -9007199254740991.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, -9007199254740992.0000000000001L, -9007199254740992.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, -9007199254740993.0000000000001L, -9007199254740993.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, -9007199254740991.5000000000001L, -9007199254740991.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, -9007199254740992.5000000000001L, -9007199254740992.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, -9007199254740993.5000000000001L, -9007199254740993.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+# endif
+
+    TEST_f_f (trunc, 72057594037927935.5L, 72057594037927935.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, 72057594037927936.25L, 72057594037927936.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, 72057594037927936.5L, 72057594037927936.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, 72057594037927936.75L, 72057594037927936.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, 72057594037927937.5L, 72057594037927937.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+
+    TEST_f_f (trunc, -72057594037927935.5L, -72057594037927935.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, -72057594037927936.25L, -72057594037927936.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, -72057594037927936.5L, -72057594037927936.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, -72057594037927936.75L, -72057594037927936.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, -72057594037927937.5L, -72057594037927937.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+
+    /* Check cases where first double is a exact integer higher than 2^52 and
+       the precision is determined by second long double for IBM long double.  */
+    TEST_f_f (trunc,  34503599627370498.515625L, 34503599627370498.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, -34503599627370498.515625L, -34503599627370498.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+# if MANT_DIG >= 106
+    TEST_f_f (trunc,  1192568192774434123539907640624.484375L, 1192568192774434123539907640624.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, -1192568192774434123539907640624.484375L, -1192568192774434123539907640624.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+# endif
+
+    TEST_f_f (trunc, 10141204801825835211973625643007.5L, 10141204801825835211973625643007.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, 10141204801825835211973625643008.25L, 10141204801825835211973625643008.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, 10141204801825835211973625643008.5L, 10141204801825835211973625643008.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, 10141204801825835211973625643008.75L, 10141204801825835211973625643008.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (trunc, 10141204801825835211973625643009.5L, 10141204801825835211973625643009.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+#endif
+  };
+
+static void
+trunc_test (void)
+{
+  ALL_RM_TEST (trunc, 1, trunc_test_data, RUN_TEST_LOOP_f_f, END);
+}
+
+/*
+ * Local Variables:
+ * mode:c
+ * End:
+ */