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Fixup usage of MIN_EXP in libm-test.inc 

Make MANT_DIG shadow the types *_MIN_EXP macro. Replace
calls sites with (MIN_EXP - 1), and simplify.
This commit is contained in:
Paul E. Murphy 2016-05-19 17:09:02 -05:00
parent 7e9ae8292f
commit 7cfcb778c9
2 changed files with 16 additions and 11 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2016-05-24 Paul E. Murphy <murphyp@linux.vnet.ibm.com>
* math/libm-test.inc (MIN_EXP): Directly define as
(DBL|LDBL|FLT)_MIN_EXP and fixup usage.
2016-05-24 Paul E. Murphy <murphyp@linux.vnet.ibm.com>
* math/libm-test.inc (MANT_DIG): Directly define as

22
math/libm-test.inc
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@ -330,8 +330,8 @@ static FLOAT max_valid_error;
#define MANT_DIG CHOOSE (LDBL_MANT_DIG, DBL_MANT_DIG, FLT_MANT_DIG, \
LDBL_MANT_DIG, DBL_MANT_DIG, FLT_MANT_DIG)
#define MIN_EXP CHOOSE ((LDBL_MIN_EXP-1), (DBL_MIN_EXP-1), (FLT_MIN_EXP-1), \
(LDBL_MIN_EXP-1), (DBL_MIN_EXP-1), (FLT_MIN_EXP-1))
#define MIN_EXP CHOOSE (LDBL_MIN_EXP, DBL_MIN_EXP, FLT_MIN_EXP, \
LDBL_MIN_EXP, DBL_MIN_EXP, FLT_MIN_EXP)
#define MAX_EXP CHOOSE (LDBL_MAX_EXP, DBL_MAX_EXP, FLT_MAX_EXP, \
LDBL_MAX_EXP, DBL_MAX_EXP, FLT_MAX_EXP)
/* Sufficient numbers of digits to represent any floating-point value
@ -753,7 +753,7 @@ ulp (FLOAT value)
/* Fall through... */
case FP_SUBNORMAL:
/* The next closest subnormal value is a constant distance away. */
ulp = FUNC(ldexp) (1.0, MIN_EXP - MANT_DIG + 1);
ulp = FUNC(ldexp) (1.0, MIN_EXP - MANT_DIG);
break;
case FP_NORMAL:
@ -7892,10 +7892,10 @@ static const struct test_f_i_data ilogb_test_data[] =
TEST_f_i (ilogb, -0x1.ffffffffffffffp1L, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
#endif
TEST_f_i (ilogb, min_subnorm_value, MIN_EXP-MANT_DIG+1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED);
TEST_f_i (ilogb, -min_subnorm_value, MIN_EXP-MANT_DIG+1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED);
TEST_f_i (ilogb, min_value, MIN_EXP, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED);
TEST_f_i (ilogb, -min_value, MIN_EXP, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED);
TEST_f_i (ilogb, min_subnorm_value, MIN_EXP-MANT_DIG, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED);
TEST_f_i (ilogb, -min_subnorm_value, MIN_EXP-MANT_DIG, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED);
TEST_f_i (ilogb, min_value, MIN_EXP-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED);
TEST_f_i (ilogb, -min_value, MIN_EXP-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED);
TEST_f_i (ilogb, max_value, MAX_EXP-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED);
TEST_f_i (ilogb, -max_value, MAX_EXP-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED);
@ -9025,10 +9025,10 @@ static const struct test_f_f_data logb_test_data[] =
TEST_f_f (logb, 1024, 10, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (logb, -2000, 10, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (logb, min_subnorm_value, MIN_EXP-MANT_DIG+1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED);
TEST_f_f (logb, -min_subnorm_value, MIN_EXP-MANT_DIG+1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED);
TEST_f_f (logb, min_value, MIN_EXP, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED);
TEST_f_f (logb, -min_value, MIN_EXP, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED);
TEST_f_f (logb, min_subnorm_value, MIN_EXP-MANT_DIG, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED);
TEST_f_f (logb, -min_subnorm_value, MIN_EXP-MANT_DIG, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED);
TEST_f_f (logb, min_value, MIN_EXP-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED);
TEST_f_f (logb, -min_value, MIN_EXP-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED);
TEST_f_f (logb, max_value, MAX_EXP-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED);
TEST_f_f (logb, -max_value, MAX_EXP-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED);