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From: Adhemerval Zanella <adhemerval.zanella@linaro.org>
To: Siddhesh Poyarekar <siddhesh@sourceware.org>, libc-alpha@sourceware.org
Cc: fweimer@redhat.com, joseph@codesourcery.com
Subject: Re: [PATCH v3 2/2] x86 long double: Add tests for pseudo normal numbers
Date: Mon, 28 Dec 2020 14:04:37 -0300	[thread overview]
Message-ID: <06c21d75-72af-e712-a917-1cbeeb80bdb5@linaro.org> (raw)
In-Reply-To: <20201224024554.3579622-3-siddhesh@sourceware.org>



On 23/12/2020 23:45, Siddhesh Poyarekar wrote:
> Add some tests for fpclassify, isnan, isinf and issignaling.
> 
> Co-authored-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>

LGTM, thanks.

> ---
>  math/libm-test-driver.c        | 38 ++++++++++++++++++++++++++++++++++
>  math/libm-test-fpclassify.inc  | 14 +++++++++++++
>  math/libm-test-isinf.inc       | 14 +++++++++++++
>  math/libm-test-isnan.inc       | 14 +++++++++++++
>  math/libm-test-issignaling.inc | 14 +++++++++++++
>  5 files changed, 94 insertions(+)
> 
> diff --git a/math/libm-test-driver.c b/math/libm-test-driver.c
> index 11b541b2e7..7f1af071da 100644
> --- a/math/libm-test-driver.c
> +++ b/math/libm-test-driver.c
> @@ -19,6 +19,7 @@
>  #include "libm-test-support.h"
>  
>  #include <math-tests-arch.h>
> +#include <nan-pseudo-number.h>
>  
>  /* Flags set by the including file.  */
>  const int flag_test_errno = TEST_ERRNO;
> @@ -122,6 +123,16 @@ const char qtype_str[] = TYPE_STR;
>  /* For nexttoward tests.  */
>  #define snan_value_ld	__builtin_nansl ("")
>  
> +/* For pseudo-normal number tests.  */
> +#if HANDLE_PSEUDO_NUMBERS
> +# include <math_ldbl.h>
> +#define pseudo_inf { .parts = { 0x00000000, 0x00000000, 0x7fff }}
> +#define pseudo_zero { .parts = { 0x00000000, 0x00000000, 0x0100 }}
> +#define pseudo_qnan { .parts = { 0x00000001, 0x00000000, 0x7fff }}
> +#define pseudo_snan { .parts = { 0x00000001, 0x40000000, 0x7fff }}
> +#define pseudo_unnormal { .parts = { 0x00000001, 0x40000000, 0x0100 }}
> +#endif
> +
>  /* 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
> @@ -316,6 +327,19 @@ struct test_f_i_data
>      int exceptions;
>    } rd, rn, rz, ru;
>  };
> +/* Used for RUN_TEST_LOOP_f_i_tg_u and RUN_TEST_LOOP_f_b_tg_u.  */
> +#if HANDLE_PSEUDO_NUMBERS
> +struct test_f_i_data_u
> +{
> +  const char *arg_str;
> +  ieee_long_double_shape_type arg;
> +  struct
> +  {
> +    int expected;
> +    int exceptions;
> +  } rd, rn, rz, ru;
> +};
> +#endif
>  /* Used for RUN_TEST_LOOP_ff_b, RUN_TEST_LOOP_fpfp_b and
>     RUN_TEST_LOOP_ff_i_tg.  */
>  struct test_ff_i_data
> @@ -832,6 +856,20 @@ struct test_Ff_b1_data
>  		       (ARRAY)[i].RM_##ROUNDING_MODE.expected,		\
>  		       (ARRAY)[i].RM_##ROUNDING_MODE.exceptions);	\
>    ROUND_RESTORE_ ## ROUNDING_MODE
> +#define RUN_TEST_LOOP_f_b_tg_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_f_b_tg ((ARRAY)[i].arg_str, FUNC_NAME, (ARRAY)[i].arg.value,	\
> +		   (ARRAY)[i].RM_##ROUNDING_MODE.expected,		\
> +		   (ARRAY)[i].RM_##ROUNDING_MODE.exceptions);		\
> +  ROUND_RESTORE_ ## ROUNDING_MODE
> +#define RUN_TEST_LOOP_f_i_tg_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_f_i_tg ((ARRAY)[i].arg_str, FUNC_NAME, (ARRAY)[i].arg.value,	\
> +		   (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									\
> diff --git a/math/libm-test-fpclassify.inc b/math/libm-test-fpclassify.inc
> index 96b557ecb4..480ccfe9cb 100644
> --- a/math/libm-test-fpclassify.inc
> +++ b/math/libm-test-fpclassify.inc
> @@ -37,10 +37,24 @@ static const struct test_f_i_data fpclassify_test_data[] =
>      TEST_f_i (fpclassify, -min_subnorm_value, FP_SUBNORMAL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
>    };
>  
> +#if HANDLE_PSEUDO_NUMBERS
> +static const struct test_f_i_data_u fpclassify_test_data_u[] =
> +  {
> +    TEST_f_i (fpclassify, pseudo_zero, FP_NAN, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
> +    TEST_f_i (fpclassify, pseudo_inf, FP_NAN, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
> +    TEST_f_i (fpclassify, pseudo_qnan, FP_NAN, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
> +    TEST_f_i (fpclassify, pseudo_snan, FP_NAN, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
> +    TEST_f_i (fpclassify, pseudo_unnormal, FP_NAN, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
> +  };
> +#endif
> +
>  static void
>  fpclassify_test (void)
>  {
>    ALL_RM_TEST (fpclassify, 1, fpclassify_test_data, RUN_TEST_LOOP_f_i_tg, END);
> +#if HANDLE_PSEUDO_NUMBERS
> +  ALL_RM_TEST (fpclassify, 1, fpclassify_test_data_u, RUN_TEST_LOOP_f_i_tg_u, END);
> +#endif
>  }
>  
>  static void
> diff --git a/math/libm-test-isinf.inc b/math/libm-test-isinf.inc
> index 6ecbf7ba6e..44cebd2198 100644
> --- a/math/libm-test-isinf.inc
> +++ b/math/libm-test-isinf.inc
> @@ -37,10 +37,24 @@ static const struct test_f_i_data isinf_test_data[] =
>      TEST_f_b (isinf, -snan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
>    };
>  
> +#if HANDLE_PSEUDO_NUMBERS
> +static const struct test_f_i_data_u isinf_test_data_u[] =
> +  {
> +    TEST_f_b (isinf, pseudo_zero, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
> +    TEST_f_b (isinf, pseudo_inf, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
> +    TEST_f_b (isinf, pseudo_qnan, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
> +    TEST_f_b (isinf, pseudo_snan, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
> +    TEST_f_b (isinf, pseudo_unnormal, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
> +  };
> +#endif
> +
>  static void
>  isinf_test (void)
>  {
>    ALL_RM_TEST (isinf, 1, isinf_test_data, RUN_TEST_LOOP_f_b_tg, END);
> +#if HANDLE_PSEUDO_NUMBERS
> +  ALL_RM_TEST (isinf, 1, isinf_test_data_u, RUN_TEST_LOOP_f_b_tg_u, END);
> +#endif
>  }
>  
>  static void
> diff --git a/math/libm-test-isnan.inc b/math/libm-test-isnan.inc
> index e6e2bb6a47..d8545c4dc5 100644
> --- a/math/libm-test-isnan.inc
> +++ b/math/libm-test-isnan.inc
> @@ -37,10 +37,24 @@ static const struct test_f_i_data isnan_test_data[] =
>      TEST_f_b (isnan, -snan_value, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
>    };
>  
> +#if HANDLE_PSEUDO_NUMBERS
> +static const struct test_f_i_data_u isnan_test_data_u[] =
> +  {
> +    TEST_f_b (isnan, pseudo_zero, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
> +    TEST_f_b (isnan, pseudo_inf, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
> +    TEST_f_b (isnan, pseudo_qnan, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
> +    TEST_f_b (isnan, pseudo_snan, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
> +    TEST_f_b (isnan, pseudo_unnormal, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
> +  };
> +#endif
> +
>  static void
>  isnan_test (void)
>  {
>    ALL_RM_TEST (isnan, 1, isnan_test_data, RUN_TEST_LOOP_f_b_tg, END);
> +#if HANDLE_PSEUDO_NUMBERS
> +  ALL_RM_TEST (isnan, 1, isnan_test_data_u, RUN_TEST_LOOP_f_b_tg_u, END);
> +#endif
>  }
>  
>  static void
> diff --git a/math/libm-test-issignaling.inc b/math/libm-test-issignaling.inc
> index a2bdcef265..80060dcb75 100644
> --- a/math/libm-test-issignaling.inc
> +++ b/math/libm-test-issignaling.inc
> @@ -39,10 +39,24 @@ static const struct test_f_i_data issignaling_test_data[] =
>      TEST_f_b (issignaling, -snan_value_MACRO, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
>    };
>  
> +#if HANDLE_PSEUDO_NUMBERS
> +static const struct test_f_i_data_u issignaling_test_data_u[] =
> +  {
> +    TEST_f_b (issignaling, pseudo_zero, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
> +    TEST_f_b (issignaling, pseudo_inf, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
> +    TEST_f_b (issignaling, pseudo_qnan, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
> +    TEST_f_b (issignaling, pseudo_snan, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
> +    TEST_f_b (issignaling, pseudo_unnormal, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
> +  };
> +#endif
> +
>  static void
>  issignaling_test (void)
>  {
>    ALL_RM_TEST (issignaling, 1, issignaling_test_data, RUN_TEST_LOOP_f_b_tg, END);
> +#if HANDLE_PSEUDO_NUMBERS
> +  ALL_RM_TEST (issignaling, 1, issignaling_test_data_u, RUN_TEST_LOOP_f_b_tg_u, END);
> +#endif
>  }
>  
>  static void
> 

  reply	other threads:[~2020-12-28 17:04 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-24  2:45 [PATCH v3 0/2] x86 pseudo-normal numbers Siddhesh Poyarekar
2020-12-24  2:45 ` [PATCH v3 1/2] x86 long double: Consider pseudo numbers as signaling Siddhesh Poyarekar
2020-12-28 16:57   ` Adhemerval Zanella
2020-12-30  5:31     ` [COMMITTED] " Siddhesh Poyarekar
2020-12-31 22:58   ` [PATCH v3 1/2] " Joseph Myers
2020-12-31 23:23     ` Andreas Schwab
2021-01-04  9:30     ` [COMMITTED] Move generic nan-pseudo-number.h to ldbl-96 Siddhesh Poyarekar
2020-12-24  2:45 ` [PATCH v3 2/2] x86 long double: Add tests for pseudo normal numbers Siddhesh Poyarekar
2020-12-28 17:04   ` Adhemerval Zanella [this message]
2020-12-31 23:09   ` Joseph Myers

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