/* Support code for testing libm functions (driver). Copyright (C) 1997-2019 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 . */ #include "libm-test-support.h" #include /* Flags set by the including file. */ const int flag_test_errno = TEST_ERRNO; const int flag_test_exceptions = TEST_EXCEPTIONS; const int flag_test_inline = TEST_INLINE; const int flag_test_mathvec = TEST_MATHVEC; #if TEST_NARROW const int snan_tests_arg = SNAN_TESTS (ARG_FLOAT); #else const int snan_tests_arg = SNAN_TESTS (FLOAT); #endif #define STRX(x) #x #define STR(x) STRX (x) #define STR_FLOAT STR (FLOAT) #define STR_ARG_FLOAT STR (ARG_FLOAT) #define STR_VEC_LEN STR (VEC_LEN) /* Informal description of the functions being tested. */ #if TEST_MATHVEC # define TEST_MSG "testing " STR_FLOAT " (vector length " STR_VEC_LEN ")\n" #elif TEST_INLINE # define TEST_MSG "testing " STR_FLOAT " (inline functions)\n" #elif TEST_NARROW # define TEST_MSG "testing " STR_FLOAT " (argument " STR_ARG_FLOAT ")\n" #else # define TEST_MSG "testing " STR_FLOAT " (without inline functions)\n" #endif const char test_msg[] = TEST_MSG; /* Allow platforms without all rounding modes to test properly, assuming they provide an __FE_UNDEFINED in which causes fesetround() to return failure. */ #ifndef FE_TONEAREST # define FE_TONEAREST __FE_UNDEFINED #endif #ifndef FE_TOWARDZERO # define FE_TOWARDZERO __FE_UNDEFINED #endif #ifndef FE_UPWARD # define FE_UPWARD __FE_UNDEFINED #endif #ifndef FE_DOWNWARD # define FE_DOWNWARD __FE_UNDEFINED #endif #define TEST_NAN_PAYLOAD_CANONICALIZE (SNAN_TESTS_PRESERVE_PAYLOAD \ ? TEST_NAN_PAYLOAD \ : 0) #if TEST_INLINE const char qtype_str[] = "i" TYPE_STR; #else const char qtype_str[] = TYPE_STR; #endif /* Various constants derived from pi. We must supply them precalculated for accuracy. They are written as a series of postfix operations to keep them concise yet somewhat readable. */ /* (pi * 3) / 4 */ #define lit_pi_3_m_4_d LIT (2.356194490192344928846982537459627163) /* pi * 3 / (4 * ln(10)) */ #define lit_pi_3_m_4_ln10_m_d LIT (1.023282265381381010614337719073516828) /* pi / (2 * ln(10)) */ #define lit_pi_2_ln10_m_d LIT (0.682188176920920673742891812715677885) /* pi / (4 * ln(10)) */ #define lit_pi_4_ln10_m_d LIT (0.341094088460460336871445906357838943) /* pi / ln(10) */ #define lit_pi_ln10_d LIT (1.364376353841841347485783625431355770) /* pi / 2 */ #define lit_pi_2_d LITM (M_PI_2) /* pi / 4 */ #define lit_pi_4_d LITM (M_PI_4) /* pi */ #define lit_pi LITM (M_PI) /* Other useful constants. */ /* e */ #define lit_e LITM (M_E) #define plus_zero LIT (0.0) #define minus_zero LIT (-0.0) #define plus_infty FUNC (__builtin_inf) () #define minus_infty -(FUNC (__builtin_inf) ()) #define qnan_value_pl(S) FUNC (__builtin_nan) (S) #define qnan_value qnan_value_pl ("") #define snan_value_pl(S) FUNC (__builtin_nans) (S) #define snan_value snan_value_pl ("") #define max_value TYPE_MAX #define min_value TYPE_MIN #define min_subnorm_value TYPE_TRUE_MIN #define arg_plus_zero ARG_LIT (0.0) #define arg_minus_zero ARG_LIT (-0.0) #define arg_plus_infty ARG_FUNC (__builtin_inf) () #define arg_minus_infty -(ARG_FUNC (__builtin_inf) ()) #define arg_qnan_value_pl(S) ARG_FUNC (__builtin_nan) (S) #define arg_qnan_value arg_qnan_value_pl ("") #define arg_snan_value_pl(S) ARG_FUNC (__builtin_nans) (S) #define arg_snan_value arg_snan_value_pl ("") #define arg_max_value ARG_TYPE_MAX #define arg_min_value ARG_TYPE_MIN #define arg_min_subnorm_value ARG_TYPE_TRUE_MIN /* For nexttoward tests. */ #define snan_value_ld __builtin_nansl ("") /* Structures for each kind of test. */ /* Used for both RUN_TEST_LOOP_f_f and RUN_TEST_LOOP_fp_f. */ struct test_f_f_data { const char *arg_str; FLOAT arg; struct { FLOAT expected; int exceptions; } rd, rn, rz, ru; }; struct test_ff_f_data { const char *arg_str; FLOAT arg1, arg2; struct { FLOAT expected; int exceptions; } rd, rn, rz, ru; }; /* Strictly speaking, a j type argument is one gen-libm-test.py will not attempt to muck with. For now, it is only used to prevent it from mucking up an explicitly long double argument. */ struct test_fj_f_data { const char *arg_str; FLOAT arg1; long double arg2; struct { FLOAT expected; int exceptions; } rd, rn, rz, ru; }; #ifdef ARG_FLOAT struct test_aa_f_data { const char *arg_str; ARG_FLOAT arg1, arg2; struct { FLOAT expected; int exceptions; } rd, rn, rz, ru; }; #endif struct test_fi_f_data { const char *arg_str; FLOAT arg1; int arg2; struct { FLOAT expected; int exceptions; } rd, rn, rz, ru; }; struct test_fl_f_data { const char *arg_str; FLOAT arg1; long int arg2; struct { FLOAT expected; int exceptions; } rd, rn, rz, ru; }; struct test_if_f_data { const char *arg_str; int arg1; FLOAT arg2; struct { FLOAT expected; int exceptions; } rd, rn, rz, ru; }; struct test_fff_f_data { const char *arg_str; FLOAT arg1, arg2, arg3; struct { FLOAT expected; int exceptions; } rd, rn, rz, ru; }; struct test_fiu_M_data { const char *arg_str; FLOAT arg1; int arg2; unsigned int arg3; struct { intmax_t expected; int exceptions; } rd, rn, rz, ru; }; struct test_fiu_U_data { const char *arg_str; FLOAT arg1; int arg2; unsigned int arg3; struct { uintmax_t expected; int exceptions; } rd, rn, rz, ru; }; struct test_c_f_data { const char *arg_str; FLOAT argr, argc; struct { FLOAT expected; int exceptions; } rd, rn, rz, ru; }; /* Used for both RUN_TEST_LOOP_f_f1 and RUN_TEST_LOOP_fI_f1. */ struct test_f_f1_data { const char *arg_str; FLOAT arg; struct { FLOAT expected; int exceptions; int extra_test; int extra_expected; } rd, rn, rz, ru; }; struct test_fF_f1_data { const char *arg_str; FLOAT arg; struct { FLOAT expected; int exceptions; int extra_test; FLOAT extra_expected; } rd, rn, rz, ru; }; struct test_ffI_f1_data { const char *arg_str; FLOAT arg1, arg2; struct { FLOAT expected; int exceptions; int extra_test; int extra_expected; } rd, rn, rz, ru; }; struct test_c_c_data { const char *arg_str; FLOAT argr, argc; struct { FLOAT expr, expc; int exceptions; } rd, rn, rz, ru; }; struct test_cc_c_data { const char *arg_str; FLOAT arg1r, arg1c, arg2r, arg2c; struct { FLOAT expr, expc; int exceptions; } rd, rn, rz, ru; }; /* Used for all of RUN_TEST_LOOP_f_i, RUN_TEST_LOOP_f_i_tg, RUN_TEST_LOOP_f_b and RUN_TEST_LOOP_f_b_tg. */ struct test_f_i_data { const char *arg_str; FLOAT arg; struct { int expected; int exceptions; } rd, rn, rz, ru; }; /* Used for RUN_TEST_LOOP_ff_b, RUN_TEST_LOOP_fpfp_b and RUN_TEST_LOOP_ff_i_tg. */ struct test_ff_i_data { const char *arg_str; FLOAT arg1, arg2; struct { int expected; int exceptions; } rd, rn, rz, ru; }; struct test_f_l_data { const char *arg_str; FLOAT arg; struct { long int expected; int exceptions; } rd, rn, rz, ru; }; struct test_f_L_data { const char *arg_str; FLOAT arg; struct { long long int expected; int exceptions; } rd, rn, rz, ru; }; struct test_fFF_11_data { const char *arg_str; FLOAT arg; struct { int exceptions; int extra1_test; FLOAT extra1_expected; int extra2_test; FLOAT extra2_expected; } rd, rn, rz, ru; }; /* Used for both RUN_TEST_LOOP_Ff_b1 and RUN_TEST_LOOP_Ffp_b1. */ struct test_Ff_b1_data { const char *arg_str; FLOAT arg; struct { int expected; int exceptions; int extra_test; FLOAT extra_expected; } rd, rn, rz, ru; }; /* Set the rounding mode, or restore the saved value. */ #define IF_ROUND_INIT_ /* Empty. */ #define IF_ROUND_INIT_FE_DOWNWARD \ int save_round_mode = fegetround (); \ if (ROUNDING_TESTS (FLOAT, FE_DOWNWARD) \ && !TEST_MATHVEC \ && fesetround (FE_DOWNWARD) == 0) #define IF_ROUND_INIT_FE_TONEAREST \ int save_round_mode = fegetround (); \ if (ROUNDING_TESTS (FLOAT, FE_TONEAREST) \ && fesetround (FE_TONEAREST) == 0) #define IF_ROUND_INIT_FE_TOWARDZERO \ int save_round_mode = fegetround (); \ if (ROUNDING_TESTS (FLOAT, FE_TOWARDZERO) \ && !TEST_MATHVEC \ && fesetround (FE_TOWARDZERO) == 0) #define IF_ROUND_INIT_FE_UPWARD \ int save_round_mode = fegetround (); \ if (ROUNDING_TESTS (FLOAT, FE_UPWARD) \ && !TEST_MATHVEC \ && fesetround (FE_UPWARD) == 0) #define ROUND_RESTORE_ /* Empty. */ #define ROUND_RESTORE_FE_DOWNWARD \ fesetround (save_round_mode) #define ROUND_RESTORE_FE_TONEAREST \ fesetround (save_round_mode) #define ROUND_RESTORE_FE_TOWARDZERO \ fesetround (save_round_mode) #define ROUND_RESTORE_FE_UPWARD \ fesetround (save_round_mode) /* Field name to use for a given rounding mode. */ #define RM_ rn #define RM_FE_DOWNWARD rd #define RM_FE_TONEAREST rn #define RM_FE_TOWARDZERO rz #define RM_FE_UPWARD ru /* Common setup for an individual test. */ #define COMMON_TEST_SETUP(ARG_STR) \ char *test_name; \ if (asprintf (&test_name, "%s (%s)", this_func, (ARG_STR)) == -1) \ abort () /* Setup for a test with an extra output. */ #define EXTRA_OUTPUT_TEST_SETUP(ARG_STR, N) \ char *extra##N##_name; \ if (asprintf (&extra##N##_name, "%s (%s) extra output " #N, \ this_func, (ARG_STR)) == -1) \ abort () /* Common cleanup after an individual test. */ #define COMMON_TEST_CLEANUP \ free (test_name) /* Cleanup for a test with an extra output. */ #define EXTRA_OUTPUT_TEST_CLEANUP(N) \ free (extra##N##_name) /* Run an individual test, including any required setup and checking of results, or loop over all tests in an array. */ #define RUN_TEST_f_f(ARG_STR, FUNC_NAME, ARG, EXPECTED, \ EXCEPTIONS) \ do \ if (enable_test (EXCEPTIONS)) \ { \ COMMON_TEST_SETUP (ARG_STR); \ check_float (test_name, FUNC_TEST (FUNC_NAME) (ARG), \ EXPECTED, EXCEPTIONS); \ COMMON_TEST_CLEANUP; \ } \ while (0) #define RUN_TEST_LOOP_f_f(FUNC_NAME, ARRAY, ROUNDING_MODE) \ IF_ROUND_INIT_ ## ROUNDING_MODE \ for (size_t i = 0; i < sizeof (ARRAY) / sizeof (ARRAY)[0]; i++) \ RUN_TEST_f_f ((ARRAY)[i].arg_str, FUNC_NAME, (ARRAY)[i].arg, \ (ARRAY)[i].RM_##ROUNDING_MODE.expected, \ (ARRAY)[i].RM_##ROUNDING_MODE.exceptions); \ ROUND_RESTORE_ ## ROUNDING_MODE #define RUN_TEST_fp_f(ARG_STR, FUNC_NAME, ARG, EXPECTED, \ EXCEPTIONS) \ do \ if (enable_test (EXCEPTIONS)) \ { \ COMMON_TEST_SETUP (ARG_STR); \ check_float (test_name, FUNC_TEST (FUNC_NAME) (&(ARG)), \ EXPECTED, EXCEPTIONS); \ COMMON_TEST_CLEANUP; \ } \ while (0) #define RUN_TEST_LOOP_fp_f(FUNC_NAME, ARRAY, ROUNDING_MODE) \ IF_ROUND_INIT_ ## ROUNDING_MODE \ for (size_t i = 0; i < sizeof (ARRAY) / sizeof (ARRAY)[0]; i++) \ RUN_TEST_fp_f ((ARRAY)[i].arg_str, FUNC_NAME, (ARRAY)[i].arg, \ (ARRAY)[i].RM_##ROUNDING_MODE.expected, \ (ARRAY)[i].RM_##ROUNDING_MODE.exceptions); \ ROUND_RESTORE_ ## ROUNDING_MODE #define RUN_TEST_2_f(ARG_STR, FUNC_NAME, ARG1, ARG2, EXPECTED, \ EXCEPTIONS) \ do \ if (enable_test (EXCEPTIONS)) \ { \ COMMON_TEST_SETUP (ARG_STR); \ check_float (test_name, FUNC_TEST (FUNC_NAME) (ARG1, ARG2), \ EXPECTED, EXCEPTIONS); \ COMMON_TEST_CLEANUP; \ } \ while (0) #define RUN_TEST_LOOP_2_f(FUNC_NAME, ARRAY, ROUNDING_MODE) \ IF_ROUND_INIT_ ## ROUNDING_MODE \ for (size_t i = 0; i < sizeof (ARRAY) / sizeof (ARRAY)[0]; i++) \ RUN_TEST_2_f ((ARRAY)[i].arg_str, FUNC_NAME, (ARRAY)[i].arg1, \ (ARRAY)[i].arg2, \ (ARRAY)[i].RM_##ROUNDING_MODE.expected, \ (ARRAY)[i].RM_##ROUNDING_MODE.exceptions); \ ROUND_RESTORE_ ## ROUNDING_MODE #define RUN_TEST_ff_f RUN_TEST_2_f #define RUN_TEST_LOOP_ff_f RUN_TEST_LOOP_2_f #define RUN_TEST_LOOP_fj_f RUN_TEST_LOOP_2_f #define RUN_TEST_LOOP_aa_f RUN_TEST_LOOP_2_f #define RUN_TEST_fi_f RUN_TEST_2_f #define RUN_TEST_LOOP_fi_f RUN_TEST_LOOP_2_f #define RUN_TEST_fl_f RUN_TEST_2_f #define RUN_TEST_LOOP_fl_f RUN_TEST_LOOP_2_f #define RUN_TEST_if_f RUN_TEST_2_f #define RUN_TEST_LOOP_if_f RUN_TEST_LOOP_2_f #define RUN_TEST_fff_f(ARG_STR, FUNC_NAME, ARG1, ARG2, ARG3, \ EXPECTED, EXCEPTIONS) \ do \ if (enable_test (EXCEPTIONS)) \ { \ COMMON_TEST_SETUP (ARG_STR); \ check_float (test_name, FUNC_TEST (FUNC_NAME) (ARG1, ARG2, ARG3), \ EXPECTED, EXCEPTIONS); \ COMMON_TEST_CLEANUP; \ } \ while (0) #define RUN_TEST_LOOP_fff_f(FUNC_NAME, ARRAY, ROUNDING_MODE) \ IF_ROUND_INIT_ ## ROUNDING_MODE \ for (size_t i = 0; i < sizeof (ARRAY) / sizeof (ARRAY)[0]; i++) \ RUN_TEST_fff_f ((ARRAY)[i].arg_str, FUNC_NAME, (ARRAY)[i].arg1, \ (ARRAY)[i].arg2, (ARRAY)[i].arg3, \ (ARRAY)[i].RM_##ROUNDING_MODE.expected, \ (ARRAY)[i].RM_##ROUNDING_MODE.exceptions); \ ROUND_RESTORE_ ## ROUNDING_MODE #define RUN_TEST_fiu_M(ARG_STR, FUNC_NAME, ARG1, ARG2, ARG3, \ EXPECTED, EXCEPTIONS) \ do \ if (enable_test (EXCEPTIONS)) \ { \ COMMON_TEST_SETUP (ARG_STR); \ check_intmax_t (test_name, \ FUNC_TEST (FUNC_NAME) (ARG1, ARG2, ARG3), \ EXPECTED, EXCEPTIONS); \ COMMON_TEST_CLEANUP; \ } \ while (0) #define RUN_TEST_LOOP_fiu_M(FUNC_NAME, ARRAY, ROUNDING_MODE) \ IF_ROUND_INIT_ ## ROUNDING_MODE \ for (size_t i = 0; i < sizeof (ARRAY) / sizeof (ARRAY)[0]; i++) \ RUN_TEST_fiu_M ((ARRAY)[i].arg_str, FUNC_NAME, (ARRAY)[i].arg1, \ (ARRAY)[i].arg2, (ARRAY)[i].arg3, \ (ARRAY)[i].RM_##ROUNDING_MODE.expected, \ (ARRAY)[i].RM_##ROUNDING_MODE.exceptions); \ ROUND_RESTORE_ ## ROUNDING_MODE #define RUN_TEST_fiu_U(ARG_STR, FUNC_NAME, ARG1, ARG2, ARG3, \ EXPECTED, EXCEPTIONS) \ do \ if (enable_test (EXCEPTIONS)) \ { \ COMMON_TEST_SETUP (ARG_STR); \ check_uintmax_t (test_name, \ FUNC_TEST (FUNC_NAME) (ARG1, ARG2, ARG3), \ EXPECTED, EXCEPTIONS); \ COMMON_TEST_CLEANUP; \ } \ while (0) #define RUN_TEST_LOOP_fiu_U(FUNC_NAME, ARRAY, ROUNDING_MODE) \ IF_ROUND_INIT_ ## ROUNDING_MODE \ for (size_t i = 0; i < sizeof (ARRAY) / sizeof (ARRAY)[0]; i++) \ RUN_TEST_fiu_U ((ARRAY)[i].arg_str, FUNC_NAME, (ARRAY)[i].arg1, \ (ARRAY)[i].arg2, (ARRAY)[i].arg3, \ (ARRAY)[i].RM_##ROUNDING_MODE.expected, \ (ARRAY)[i].RM_##ROUNDING_MODE.exceptions); \ ROUND_RESTORE_ ## ROUNDING_MODE #define RUN_TEST_c_f(ARG_STR, FUNC_NAME, ARG1, ARG2, EXPECTED, \ EXCEPTIONS) \ do \ if (enable_test (EXCEPTIONS)) \ { \ COMMON_TEST_SETUP (ARG_STR); \ check_float (test_name, \ FUNC_TEST (FUNC_NAME) (BUILD_COMPLEX (ARG1, ARG2)),\ EXPECTED, EXCEPTIONS); \ COMMON_TEST_CLEANUP; \ } \ while (0) #define RUN_TEST_LOOP_c_f(FUNC_NAME, ARRAY, ROUNDING_MODE) \ IF_ROUND_INIT_ ## ROUNDING_MODE \ for (size_t i = 0; i < sizeof (ARRAY) / sizeof (ARRAY)[0]; i++) \ RUN_TEST_c_f ((ARRAY)[i].arg_str, FUNC_NAME, (ARRAY)[i].argr, \ (ARRAY)[i].argc, \ (ARRAY)[i].RM_##ROUNDING_MODE.expected, \ (ARRAY)[i].RM_##ROUNDING_MODE.exceptions); \ ROUND_RESTORE_ ## ROUNDING_MODE #define RUN_TEST_f_f1(ARG_STR, FUNC_NAME, ARG, EXPECTED, \ EXCEPTIONS, EXTRA_VAR, EXTRA_TEST, \ EXTRA_EXPECTED) \ do \ if (enable_test (EXCEPTIONS)) \ { \ COMMON_TEST_SETUP (ARG_STR); \ (EXTRA_VAR) = (EXTRA_EXPECTED) == 0 ? 1 : 0; \ check_float (test_name, FUNC_TEST (FUNC_NAME) (ARG), EXPECTED, \ EXCEPTIONS); \ EXTRA_OUTPUT_TEST_SETUP (ARG_STR, 1); \ if (EXTRA_TEST) \ check_int (extra1_name, EXTRA_VAR, EXTRA_EXPECTED, 0); \ EXTRA_OUTPUT_TEST_CLEANUP (1); \ COMMON_TEST_CLEANUP; \ } \ while (0) #define RUN_TEST_LOOP_f_f1(FUNC_NAME, ARRAY, ROUNDING_MODE, EXTRA_VAR) \ IF_ROUND_INIT_ ## ROUNDING_MODE \ for (size_t i = 0; i < sizeof (ARRAY) / sizeof (ARRAY)[0]; i++) \ RUN_TEST_f_f1 ((ARRAY)[i].arg_str, FUNC_NAME, (ARRAY)[i].arg, \ (ARRAY)[i].RM_##ROUNDING_MODE.expected, \ (ARRAY)[i].RM_##ROUNDING_MODE.exceptions, \ EXTRA_VAR, \ (ARRAY)[i].RM_##ROUNDING_MODE.extra_test, \ (ARRAY)[i].RM_##ROUNDING_MODE.extra_expected); \ ROUND_RESTORE_ ## ROUNDING_MODE #define RUN_TEST_fF_f1(ARG_STR, FUNC_NAME, ARG, EXPECTED, \ EXCEPTIONS, EXTRA_VAR, EXTRA_TEST, \ EXTRA_EXPECTED) \ do \ if (enable_test (EXCEPTIONS)) \ { \ COMMON_TEST_SETUP (ARG_STR); \ (EXTRA_VAR) = (EXTRA_EXPECTED) == 0 ? 1 : 0; \ check_float (test_name, FUNC_TEST (FUNC_NAME) (ARG, &(EXTRA_VAR)), \ EXPECTED, EXCEPTIONS); \ EXTRA_OUTPUT_TEST_SETUP (ARG_STR, 1); \ if (EXTRA_TEST) \ check_float (extra1_name, EXTRA_VAR, EXTRA_EXPECTED, 0); \ EXTRA_OUTPUT_TEST_CLEANUP (1); \ COMMON_TEST_CLEANUP; \ } \ while (0) #define RUN_TEST_LOOP_fF_f1(FUNC_NAME, ARRAY, ROUNDING_MODE, EXTRA_VAR) \ IF_ROUND_INIT_ ## ROUNDING_MODE \ for (size_t i = 0; i < sizeof (ARRAY) / sizeof (ARRAY)[0]; i++) \ RUN_TEST_fF_f1 ((ARRAY)[i].arg_str, FUNC_NAME, (ARRAY)[i].arg, \ (ARRAY)[i].RM_##ROUNDING_MODE.expected, \ (ARRAY)[i].RM_##ROUNDING_MODE.exceptions, \ EXTRA_VAR, \ (ARRAY)[i].RM_##ROUNDING_MODE.extra_test, \ (ARRAY)[i].RM_##ROUNDING_MODE.extra_expected); \ ROUND_RESTORE_ ## ROUNDING_MODE #define RUN_TEST_fI_f1(ARG_STR, FUNC_NAME, ARG, EXPECTED, \ EXCEPTIONS, EXTRA_VAR, EXTRA_TEST, \ EXTRA_EXPECTED) \ do \ if (enable_test (EXCEPTIONS)) \ { \ COMMON_TEST_SETUP (ARG_STR); \ (EXTRA_VAR) = (EXTRA_EXPECTED) == 0 ? 1 : 0; \ check_float (test_name, FUNC_TEST (FUNC_NAME) (ARG, &(EXTRA_VAR)), \ EXPECTED, EXCEPTIONS); \ EXTRA_OUTPUT_TEST_SETUP (ARG_STR, 1); \ if (EXTRA_TEST) \ check_int (extra1_name, EXTRA_VAR, EXTRA_EXPECTED, 0); \ EXTRA_OUTPUT_TEST_CLEANUP (1); \ COMMON_TEST_CLEANUP; \ } \ while (0) #define RUN_TEST_LOOP_fI_f1(FUNC_NAME, ARRAY, ROUNDING_MODE, EXTRA_VAR) \ IF_ROUND_INIT_ ## ROUNDING_MODE \ for (size_t i = 0; i < sizeof (ARRAY) / sizeof (ARRAY)[0]; i++) \ RUN_TEST_fI_f1 ((ARRAY)[i].arg_str, FUNC_NAME, (ARRAY)[i].arg, \ (ARRAY)[i].RM_##ROUNDING_MODE.expected, \ (ARRAY)[i].RM_##ROUNDING_MODE.exceptions, \ EXTRA_VAR, \ (ARRAY)[i].RM_##ROUNDING_MODE.extra_test, \ (ARRAY)[i].RM_##ROUNDING_MODE.extra_expected); \ ROUND_RESTORE_ ## ROUNDING_MODE #define RUN_TEST_ffI_f1_mod8(ARG_STR, FUNC_NAME, ARG1, ARG2, EXPECTED, \ EXCEPTIONS, EXTRA_VAR, EXTRA_TEST, \ EXTRA_EXPECTED) \ do \ if (enable_test (EXCEPTIONS)) \ { \ COMMON_TEST_SETUP (ARG_STR); \ (EXTRA_VAR) = (EXTRA_EXPECTED) == 0 ? 1 : 0; \ check_float (test_name, \ FUNC_TEST (FUNC_NAME) (ARG1, ARG2, &(EXTRA_VAR)), \ EXPECTED, EXCEPTIONS); \ EXTRA_OUTPUT_TEST_SETUP (ARG_STR, 1); \ if (EXTRA_TEST) \ check_int (extra1_name, (EXTRA_VAR) % 8, EXTRA_EXPECTED, 0); \ EXTRA_OUTPUT_TEST_CLEANUP (1); \ COMMON_TEST_CLEANUP; \ } \ while (0) #define RUN_TEST_LOOP_ffI_f1_mod8(FUNC_NAME, ARRAY, ROUNDING_MODE, \ EXTRA_VAR) \ IF_ROUND_INIT_ ## ROUNDING_MODE \ for (size_t i = 0; i < sizeof (ARRAY) / sizeof (ARRAY)[0]; i++) \ RUN_TEST_ffI_f1_mod8 ((ARRAY)[i].arg_str, FUNC_NAME, \ (ARRAY)[i].arg1, (ARRAY)[i].arg2, \ (ARRAY)[i].RM_##ROUNDING_MODE.expected, \ (ARRAY)[i].RM_##ROUNDING_MODE.exceptions, \ EXTRA_VAR, \ (ARRAY)[i].RM_##ROUNDING_MODE.extra_test, \ (ARRAY)[i].RM_##ROUNDING_MODE.extra_expected); \ ROUND_RESTORE_ ## ROUNDING_MODE #define RUN_TEST_Ff_b1(ARG_STR, FUNC_NAME, ARG, EXPECTED, \ EXCEPTIONS, EXTRA_VAR, EXTRA_TEST, \ EXTRA_EXPECTED) \ do \ if (enable_test (EXCEPTIONS)) \ { \ COMMON_TEST_SETUP (ARG_STR); \ (EXTRA_VAR) = (EXTRA_EXPECTED) == 0 ? 1 : 0; \ /* Clear any exceptions from comparison involving sNaN \ EXTRA_EXPECTED. */ \ feclearexcept (FE_ALL_EXCEPT); \ check_bool (test_name, FUNC_TEST (FUNC_NAME) (&(EXTRA_VAR), \ (ARG)), \ EXPECTED, EXCEPTIONS); \ EXTRA_OUTPUT_TEST_SETUP (ARG_STR, 1); \ if (EXTRA_TEST) \ check_float (extra1_name, EXTRA_VAR, EXTRA_EXPECTED, \ (EXCEPTIONS) & TEST_NAN_PAYLOAD); \ EXTRA_OUTPUT_TEST_CLEANUP (1); \ COMMON_TEST_CLEANUP; \ } \ while (0) #define RUN_TEST_LOOP_Ff_b1(FUNC_NAME, ARRAY, ROUNDING_MODE, \ EXTRA_VAR) \ IF_ROUND_INIT_ ## ROUNDING_MODE \ for (size_t i = 0; i < sizeof (ARRAY) / sizeof (ARRAY)[0]; i++) \ RUN_TEST_Ff_b1 ((ARRAY)[i].arg_str, FUNC_NAME, (ARRAY)[i].arg, \ (ARRAY)[i].RM_##ROUNDING_MODE.expected, \ (ARRAY)[i].RM_##ROUNDING_MODE.exceptions, \ EXTRA_VAR, \ (ARRAY)[i].RM_##ROUNDING_MODE.extra_test, \ (ARRAY)[i].RM_##ROUNDING_MODE.extra_expected); \ ROUND_RESTORE_ ## ROUNDING_MODE #define RUN_TEST_Ffp_b1(ARG_STR, FUNC_NAME, ARG, EXPECTED, \ EXCEPTIONS, EXTRA_VAR, EXTRA_TEST, \ EXTRA_EXPECTED) \ do \ if (enable_test (EXCEPTIONS)) \ { \ COMMON_TEST_SETUP (ARG_STR); \ (EXTRA_VAR) = (EXTRA_EXPECTED) == 0 ? 1 : 0; \ check_bool (test_name, FUNC_TEST (FUNC_NAME) (&(EXTRA_VAR), \ &(ARG)), \ EXPECTED, EXCEPTIONS); \ EXTRA_OUTPUT_TEST_SETUP (ARG_STR, 1); \ if (EXTRA_TEST) \ check_float (extra1_name, EXTRA_VAR, EXTRA_EXPECTED, \ (EXCEPTIONS) & TEST_NAN_PAYLOAD); \ EXTRA_OUTPUT_TEST_CLEANUP (1); \ COMMON_TEST_CLEANUP; \ } \ while (0) #define RUN_TEST_LOOP_Ffp_b1(FUNC_NAME, ARRAY, ROUNDING_MODE, \ EXTRA_VAR) \ IF_ROUND_INIT_ ## ROUNDING_MODE \ for (size_t i = 0; i < sizeof (ARRAY) / sizeof (ARRAY)[0]; i++) \ RUN_TEST_Ffp_b1 ((ARRAY)[i].arg_str, FUNC_NAME, (ARRAY)[i].arg, \ (ARRAY)[i].RM_##ROUNDING_MODE.expected, \ (ARRAY)[i].RM_##ROUNDING_MODE.exceptions, \ EXTRA_VAR, \ (ARRAY)[i].RM_##ROUNDING_MODE.extra_test, \ (ARRAY)[i].RM_##ROUNDING_MODE.extra_expected); \ ROUND_RESTORE_ ## ROUNDING_MODE #define RUN_TEST_c_c(ARG_STR, FUNC_NAME, ARGR, ARGC, EXPR, EXPC, \ EXCEPTIONS) \ do \ if (enable_test (EXCEPTIONS)) \ { \ COMMON_TEST_SETUP (ARG_STR); \ check_complex (test_name, \ FUNC_TEST (FUNC_NAME) (BUILD_COMPLEX (ARGR, ARGC)), \ BUILD_COMPLEX (EXPR, EXPC), EXCEPTIONS); \ COMMON_TEST_CLEANUP; \ } \ while (0) #define RUN_TEST_LOOP_c_c(FUNC_NAME, ARRAY, ROUNDING_MODE) \ IF_ROUND_INIT_ ## ROUNDING_MODE \ for (size_t i = 0; i < sizeof (ARRAY) / sizeof (ARRAY)[0]; i++) \ RUN_TEST_c_c ((ARRAY)[i].arg_str, FUNC_NAME, (ARRAY)[i].argr, \ (ARRAY)[i].argc, \ (ARRAY)[i].RM_##ROUNDING_MODE.expr, \ (ARRAY)[i].RM_##ROUNDING_MODE.expc, \ (ARRAY)[i].RM_##ROUNDING_MODE.exceptions); \ ROUND_RESTORE_ ## ROUNDING_MODE #define RUN_TEST_cc_c(ARG_STR, FUNC_NAME, ARG1R, ARG1C, ARG2R, ARG2C, \ EXPR, EXPC, EXCEPTIONS) \ do \ if (enable_test (EXCEPTIONS)) \ { \ COMMON_TEST_SETUP (ARG_STR); \ check_complex (test_name, \ FUNC_TEST (FUNC_NAME) (BUILD_COMPLEX (ARG1R, ARG1C), \ BUILD_COMPLEX (ARG2R, ARG2C)), \ BUILD_COMPLEX (EXPR, EXPC), EXCEPTIONS); \ COMMON_TEST_CLEANUP; \ } \ while (0) #define RUN_TEST_LOOP_cc_c(FUNC_NAME, ARRAY, ROUNDING_MODE) \ IF_ROUND_INIT_ ## ROUNDING_MODE \ for (size_t i = 0; i < sizeof (ARRAY) / sizeof (ARRAY)[0]; i++) \ RUN_TEST_cc_c ((ARRAY)[i].arg_str, FUNC_NAME, (ARRAY)[i].arg1r, \ (ARRAY)[i].arg1c, (ARRAY)[i].arg2r, \ (ARRAY)[i].arg2c, \ (ARRAY)[i].RM_##ROUNDING_MODE.expr, \ (ARRAY)[i].RM_##ROUNDING_MODE.expc, \ (ARRAY)[i].RM_##ROUNDING_MODE.exceptions); \ ROUND_RESTORE_ ## ROUNDING_MODE #define RUN_TEST_f_i(ARG_STR, FUNC_NAME, ARG, EXPECTED, EXCEPTIONS) \ do \ if (enable_test (EXCEPTIONS)) \ { \ COMMON_TEST_SETUP (ARG_STR); \ check_int (test_name, FUNC_TEST (FUNC_NAME) (ARG), EXPECTED, \ EXCEPTIONS); \ COMMON_TEST_CLEANUP; \ } \ while (0) #define RUN_TEST_LOOP_f_i(FUNC_NAME, ARRAY, ROUNDING_MODE) \ IF_ROUND_INIT_ ## ROUNDING_MODE \ for (size_t i = 0; i < sizeof (ARRAY) / sizeof (ARRAY)[0]; i++) \ RUN_TEST_f_i ((ARRAY)[i].arg_str, FUNC_NAME, (ARRAY)[i].arg, \ (ARRAY)[i].RM_##ROUNDING_MODE.expected, \ (ARRAY)[i].RM_##ROUNDING_MODE.exceptions); \ ROUND_RESTORE_ ## ROUNDING_MODE #define RUN_TEST_f_i_tg(ARG_STR, FUNC_NAME, ARG, EXPECTED, \ EXCEPTIONS) \ do \ if (enable_test (EXCEPTIONS)) \ { \ COMMON_TEST_SETUP (ARG_STR); \ check_int (test_name, FUNC_NAME (ARG), EXPECTED, EXCEPTIONS); \ COMMON_TEST_CLEANUP; \ } \ while (0) #define RUN_TEST_LOOP_f_i_tg(FUNC_NAME, ARRAY, ROUNDING_MODE) \ IF_ROUND_INIT_ ## ROUNDING_MODE \ for (size_t i = 0; i < sizeof (ARRAY) / sizeof (ARRAY)[0]; i++) \ RUN_TEST_f_i_tg ((ARRAY)[i].arg_str, FUNC_NAME, (ARRAY)[i].arg, \ (ARRAY)[i].RM_##ROUNDING_MODE.expected, \ (ARRAY)[i].RM_##ROUNDING_MODE.exceptions); \ ROUND_RESTORE_ ## ROUNDING_MODE #define RUN_TEST_ff_b(ARG_STR, FUNC_NAME, ARG1, ARG2, EXPECTED, \ EXCEPTIONS) \ do \ if (enable_test (EXCEPTIONS)) \ { \ COMMON_TEST_SETUP (ARG_STR); \ check_bool (test_name, FUNC_TEST (FUNC_NAME) (ARG1, ARG2), \ EXPECTED, EXCEPTIONS); \ COMMON_TEST_CLEANUP; \ } \ while (0) #define RUN_TEST_LOOP_ff_b(FUNC_NAME, ARRAY, ROUNDING_MODE) \ IF_ROUND_INIT_ ## ROUNDING_MODE \ for (size_t i = 0; i < sizeof (ARRAY) / sizeof (ARRAY)[0]; i++) \ RUN_TEST_ff_b ((ARRAY)[i].arg_str, FUNC_NAME, \ (ARRAY)[i].arg1, (ARRAY)[i].arg2, \ (ARRAY)[i].RM_##ROUNDING_MODE.expected, \ (ARRAY)[i].RM_##ROUNDING_MODE.exceptions); \ ROUND_RESTORE_ ## ROUNDING_MODE #define RUN_TEST_fpfp_b(ARG_STR, FUNC_NAME, ARG1, ARG2, EXPECTED, \ EXCEPTIONS) \ do \ if (enable_test (EXCEPTIONS)) \ { \ COMMON_TEST_SETUP (ARG_STR); \ check_bool (test_name, \ FUNC_TEST (FUNC_NAME) (&(ARG1), &(ARG2)), \ EXPECTED, EXCEPTIONS); \ COMMON_TEST_CLEANUP; \ } \ while (0) #define RUN_TEST_LOOP_fpfp_b(FUNC_NAME, ARRAY, ROUNDING_MODE) \ IF_ROUND_INIT_ ## ROUNDING_MODE \ for (size_t i = 0; i < sizeof (ARRAY) / sizeof (ARRAY)[0]; i++) \ RUN_TEST_fpfp_b ((ARRAY)[i].arg_str, FUNC_NAME, \ (ARRAY)[i].arg1, (ARRAY)[i].arg2, \ (ARRAY)[i].RM_##ROUNDING_MODE.expected, \ (ARRAY)[i].RM_##ROUNDING_MODE.exceptions); \ ROUND_RESTORE_ ## ROUNDING_MODE #define RUN_TEST_ff_i_tg(ARG_STR, FUNC_NAME, ARG1, ARG2, EXPECTED, \ EXCEPTIONS) \ do \ if (enable_test (EXCEPTIONS)) \ { \ COMMON_TEST_SETUP (ARG_STR); \ check_int (test_name, FUNC_NAME (ARG1, ARG2), EXPECTED, \ EXCEPTIONS); \ COMMON_TEST_CLEANUP; \ } \ while (0) #define RUN_TEST_LOOP_ff_i_tg(FUNC_NAME, ARRAY, ROUNDING_MODE) \ IF_ROUND_INIT_ ## ROUNDING_MODE \ for (size_t i = 0; i < sizeof (ARRAY) / sizeof (ARRAY)[0]; i++) \ RUN_TEST_ff_i_tg ((ARRAY)[i].arg_str, FUNC_NAME, \ (ARRAY)[i].arg1, (ARRAY)[i].arg2, \ (ARRAY)[i].RM_##ROUNDING_MODE.expected, \ (ARRAY)[i].RM_##ROUNDING_MODE.exceptions); \ ROUND_RESTORE_ ## ROUNDING_MODE #define RUN_TEST_f_b(ARG_STR, FUNC_NAME, ARG, EXPECTED, EXCEPTIONS) \ do \ if (enable_test (EXCEPTIONS)) \ { \ COMMON_TEST_SETUP (ARG_STR); \ check_bool (test_name, FUNC_TEST (FUNC_NAME) (ARG), EXPECTED, \ EXCEPTIONS); \ COMMON_TEST_CLEANUP; \ } \ while (0) #define RUN_TEST_LOOP_f_b(FUNC_NAME, ARRAY, ROUNDING_MODE) \ IF_ROUND_INIT_ ## ROUNDING_MODE \ for (size_t i = 0; i < sizeof (ARRAY) / sizeof (ARRAY)[0]; i++) \ RUN_TEST_f_b ((ARRAY)[i].arg_str, FUNC_NAME, (ARRAY)[i].arg, \ (ARRAY)[i].RM_##ROUNDING_MODE.expected, \ (ARRAY)[i].RM_##ROUNDING_MODE.exceptions); \ ROUND_RESTORE_ ## ROUNDING_MODE #define RUN_TEST_f_b_tg(ARG_STR, FUNC_NAME, ARG, EXPECTED, \ EXCEPTIONS) \ do \ if (enable_test (EXCEPTIONS)) \ { \ COMMON_TEST_SETUP (ARG_STR); \ check_bool (test_name, FUNC_NAME (ARG), EXPECTED, EXCEPTIONS); \ COMMON_TEST_CLEANUP; \ } \ while (0) #define RUN_TEST_LOOP_f_b_tg(FUNC_NAME, ARRAY, ROUNDING_MODE) \ IF_ROUND_INIT_ ## ROUNDING_MODE \ for (size_t i = 0; i < sizeof (ARRAY) / sizeof (ARRAY)[0]; i++) \ RUN_TEST_f_b_tg ((ARRAY)[i].arg_str, FUNC_NAME, (ARRAY)[i].arg, \ (ARRAY)[i].RM_##ROUNDING_MODE.expected, \ (ARRAY)[i].RM_##ROUNDING_MODE.exceptions); \ ROUND_RESTORE_ ## ROUNDING_MODE #define RUN_TEST_f_l(ARG_STR, FUNC_NAME, ARG, EXPECTED, EXCEPTIONS) \ do \ if (enable_test (EXCEPTIONS)) \ { \ COMMON_TEST_SETUP (ARG_STR); \ check_long (test_name, FUNC_TEST (FUNC_NAME) (ARG), EXPECTED, \ EXCEPTIONS); \ COMMON_TEST_CLEANUP; \ } \ while (0) #define RUN_TEST_LOOP_f_l(FUNC_NAME, ARRAY, ROUNDING_MODE) \ IF_ROUND_INIT_ ## ROUNDING_MODE \ for (size_t i = 0; i < sizeof (ARRAY) / sizeof (ARRAY)[0]; i++) \ RUN_TEST_f_l ((ARRAY)[i].arg_str, FUNC_NAME, (ARRAY)[i].arg, \ (ARRAY)[i].RM_##ROUNDING_MODE.expected, \ (ARRAY)[i].RM_##ROUNDING_MODE.exceptions); \ ROUND_RESTORE_ ## ROUNDING_MODE #define RUN_TEST_f_L(ARG_STR, FUNC_NAME, ARG, EXPECTED, EXCEPTIONS) \ do \ if (enable_test (EXCEPTIONS)) \ { \ COMMON_TEST_SETUP (ARG_STR); \ check_longlong (test_name, FUNC_TEST (FUNC_NAME) (ARG), \ EXPECTED, EXCEPTIONS); \ COMMON_TEST_CLEANUP; \ } \ while (0) #define RUN_TEST_LOOP_f_L(FUNC_NAME, ARRAY, ROUNDING_MODE) \ IF_ROUND_INIT_ ## ROUNDING_MODE \ for (size_t i = 0; i < sizeof (ARRAY) / sizeof (ARRAY)[0]; i++) \ RUN_TEST_f_L ((ARRAY)[i].arg_str, FUNC_NAME, (ARRAY)[i].arg, \ (ARRAY)[i].RM_##ROUNDING_MODE.expected, \ (ARRAY)[i].RM_##ROUNDING_MODE.exceptions); \ ROUND_RESTORE_ ## ROUNDING_MODE #define RUN_TEST_fFF_11(ARG_STR, FUNC_NAME, ARG, EXCEPTIONS, \ EXTRA1_VAR, EXTRA1_TEST, \ EXTRA1_EXPECTED, EXTRA2_VAR, \ EXTRA2_TEST, EXTRA2_EXPECTED) \ do \ if (enable_test (EXCEPTIONS)) \ { \ COMMON_TEST_SETUP (ARG_STR); \ FUNC_TEST (FUNC_NAME) (ARG, &(EXTRA1_VAR), &(EXTRA2_VAR)); \ EXTRA_OUTPUT_TEST_SETUP (ARG_STR, 1); \ if (EXTRA1_TEST) \ check_float (extra1_name, EXTRA1_VAR, EXTRA1_EXPECTED, \ EXCEPTIONS); \ EXTRA_OUTPUT_TEST_CLEANUP (1); \ EXTRA_OUTPUT_TEST_SETUP (ARG_STR, 2); \ if (EXTRA2_TEST) \ check_float (extra2_name, EXTRA2_VAR, EXTRA2_EXPECTED, 0); \ EXTRA_OUTPUT_TEST_CLEANUP (2); \ COMMON_TEST_CLEANUP; \ } \ while (0) #define RUN_TEST_LOOP_fFF_11(FUNC_NAME, ARRAY, ROUNDING_MODE, \ EXTRA1_VAR, EXTRA2_VAR) \ IF_ROUND_INIT_ ## ROUNDING_MODE \ for (size_t i = 0; i < sizeof (ARRAY) / sizeof (ARRAY)[0]; i++) \ RUN_TEST_fFF_11 ((ARRAY)[i].arg_str, FUNC_NAME, (ARRAY)[i].arg, \ (ARRAY)[i].RM_##ROUNDING_MODE.exceptions, \ EXTRA1_VAR, \ (ARRAY)[i].RM_##ROUNDING_MODE.extra1_test, \ (ARRAY)[i].RM_##ROUNDING_MODE.extra1_expected, \ EXTRA2_VAR, \ (ARRAY)[i].RM_##ROUNDING_MODE.extra2_test, \ (ARRAY)[i].RM_##ROUNDING_MODE.extra2_expected); \ ROUND_RESTORE_ ## ROUNDING_MODE #if TEST_MATHVEC # define TEST_SUFF VEC_SUFF # define TEST_SUFF_STR #elif TEST_NARROW # define TEST_SUFF # define TEST_SUFF_STR "_" ARG_TYPE_STR #else # define TEST_SUFF # define TEST_SUFF_STR #endif #define STR_CONCAT(a, b, c) __STRING (a##b##c) #define STR_CON3(a, b, c) STR_CONCAT (a, b, c) #if TEST_NARROW # define TEST_COND_any_ibm128 (TEST_COND_ibm128 || TEST_COND_arg_ibm128) #else # define TEST_COND_any_ibm128 TEST_COND_ibm128 #endif /* Start and end the tests for a given function. */ #define START(FUN, SUFF, EXACT) \ CHECK_ARCH_EXT; \ const char *this_func \ = STR_CON3 (FUN, SUFF, TEST_SUFF) TEST_SUFF_STR; \ init_max_error (this_func, EXACT, TEST_COND_any_ibm128) #define END \ print_max_error (this_func) #define END_COMPLEX \ print_complex_max_error (this_func) /* Run tests for a given function in all rounding modes. */ #define ALL_RM_TEST(FUNC, EXACT, ARRAY, LOOP_MACRO, END_MACRO, ...) \ do \ { \ do \ { \ START (FUNC,, EXACT); \ LOOP_MACRO (FUNC, ARRAY, , ## __VA_ARGS__); \ END_MACRO; \ } \ while (0); \ do \ { \ START (FUNC, _downward, EXACT); \ LOOP_MACRO (FUNC, ARRAY, FE_DOWNWARD, ## __VA_ARGS__); \ END_MACRO; \ } \ while (0); \ do \ { \ START (FUNC, _towardzero, EXACT); \ LOOP_MACRO (FUNC, ARRAY, FE_TOWARDZERO, ## __VA_ARGS__); \ END_MACRO; \ } \ while (0); \ do \ { \ START (FUNC, _upward, EXACT); \ LOOP_MACRO (FUNC, ARRAY, FE_UPWARD, ## __VA_ARGS__); \ END_MACRO; \ } \ while (0); \ } \ while (0); /* Short description of program. */ const char doc[] = "Math test suite: " TEST_MSG ; static void do_test (void); int main (int argc, char **argv) { libm_test_init (argc, argv); INIT_ARCH_EXT; do_test (); return libm_test_finish (); }