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math: Add a no-mathvec flag for sin (-0.0)

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Add support for a no-mathvec flag to gen-auto-libm-tests.c.
Update input test sin (-0.0) to be skipped in vector math libraries and
regenerate testcases.

Reviewed-By: Paul Zimmermann  <Paul.Zimmermann@inria.fr>
This commit is contained in:
Wilco Dijkstra 2023-08-15 18:01:53 +01:00
parent bb5bbc2070
commit 5bc9b3a1f6
4 changed files with 33 additions and 28 deletions
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2
math/auto-libm-test-in
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@ -7318,7 +7318,7 @@ pow 0x1.7ac7cp+5 23
pow -0x1.7ac7cp+5 23
sin 0
sin -0
sin -0 no-mathvec
sin pi/6
sin -pi/6
sin pi/2

50
math/auto-libm-test-out-sin
View File

@ -23,31 +23,31 @@ sin 0
= sin tonearest ibm128 0x0p+0 : 0x0p+0 : inexact-ok
= sin towardzero ibm128 0x0p+0 : 0x0p+0 : inexact-ok
= sin upward ibm128 0x0p+0 : 0x0p+0 : inexact-ok
sin -0
= sin downward binary32 -0x0p+0 : -0x0p+0 : inexact-ok
= sin tonearest binary32 -0x0p+0 : -0x0p+0 : inexact-ok
= sin towardzero binary32 -0x0p+0 : -0x0p+0 : inexact-ok
= sin upward binary32 -0x0p+0 : -0x0p+0 : inexact-ok
= sin downward binary64 -0x0p+0 : -0x0p+0 : inexact-ok
= sin tonearest binary64 -0x0p+0 : -0x0p+0 : inexact-ok
= sin towardzero binary64 -0x0p+0 : -0x0p+0 : inexact-ok
= sin upward binary64 -0x0p+0 : -0x0p+0 : inexact-ok
= sin downward intel96 -0x0p+0 : -0x0p+0 : inexact-ok
= sin tonearest intel96 -0x0p+0 : -0x0p+0 : inexact-ok
= sin towardzero intel96 -0x0p+0 : -0x0p+0 : inexact-ok
= sin upward intel96 -0x0p+0 : -0x0p+0 : inexact-ok
= sin downward m68k96 -0x0p+0 : -0x0p+0 : inexact-ok
= sin tonearest m68k96 -0x0p+0 : -0x0p+0 : inexact-ok
= sin towardzero m68k96 -0x0p+0 : -0x0p+0 : inexact-ok
= sin upward m68k96 -0x0p+0 : -0x0p+0 : inexact-ok
= sin downward binary128 -0x0p+0 : -0x0p+0 : inexact-ok
= sin tonearest binary128 -0x0p+0 : -0x0p+0 : inexact-ok
= sin towardzero binary128 -0x0p+0 : -0x0p+0 : inexact-ok
= sin upward binary128 -0x0p+0 : -0x0p+0 : inexact-ok
= sin downward ibm128 -0x0p+0 : -0x0p+0 : inexact-ok
= sin tonearest ibm128 -0x0p+0 : -0x0p+0 : inexact-ok
= sin towardzero ibm128 -0x0p+0 : -0x0p+0 : inexact-ok
= sin upward ibm128 -0x0p+0 : -0x0p+0 : inexact-ok
sin -0 no-mathvec
= sin downward binary32 -0x0p+0 : -0x0p+0 : no-mathvec inexact-ok
= sin tonearest binary32 -0x0p+0 : -0x0p+0 : no-mathvec inexact-ok
= sin towardzero binary32 -0x0p+0 : -0x0p+0 : no-mathvec inexact-ok
= sin upward binary32 -0x0p+0 : -0x0p+0 : no-mathvec inexact-ok
= sin downward binary64 -0x0p+0 : -0x0p+0 : no-mathvec inexact-ok
= sin tonearest binary64 -0x0p+0 : -0x0p+0 : no-mathvec inexact-ok
= sin towardzero binary64 -0x0p+0 : -0x0p+0 : no-mathvec inexact-ok
= sin upward binary64 -0x0p+0 : -0x0p+0 : no-mathvec inexact-ok
= sin downward intel96 -0x0p+0 : -0x0p+0 : no-mathvec inexact-ok
= sin tonearest intel96 -0x0p+0 : -0x0p+0 : no-mathvec inexact-ok
= sin towardzero intel96 -0x0p+0 : -0x0p+0 : no-mathvec inexact-ok
= sin upward intel96 -0x0p+0 : -0x0p+0 : no-mathvec inexact-ok
= sin downward m68k96 -0x0p+0 : -0x0p+0 : no-mathvec inexact-ok
= sin tonearest m68k96 -0x0p+0 : -0x0p+0 : no-mathvec inexact-ok
= sin towardzero m68k96 -0x0p+0 : -0x0p+0 : no-mathvec inexact-ok
= sin upward m68k96 -0x0p+0 : -0x0p+0 : no-mathvec inexact-ok
= sin downward binary128 -0x0p+0 : -0x0p+0 : no-mathvec inexact-ok
= sin tonearest binary128 -0x0p+0 : -0x0p+0 : no-mathvec inexact-ok
= sin towardzero binary128 -0x0p+0 : -0x0p+0 : no-mathvec inexact-ok
= sin upward binary128 -0x0p+0 : -0x0p+0 : no-mathvec inexact-ok
= sin downward ibm128 -0x0p+0 : -0x0p+0 : no-mathvec inexact-ok
= sin tonearest ibm128 -0x0p+0 : -0x0p+0 : no-mathvec inexact-ok
= sin towardzero ibm128 -0x0p+0 : -0x0p+0 : no-mathvec inexact-ok
= sin upward ibm128 -0x0p+0 : -0x0p+0 : no-mathvec inexact-ok
sin pi/6
= sin downward binary32 0x8.60a92p-4 : 0x8p-4 : inexact-ok
= sin tonearest binary32 0x8.60a92p-4 : 0x8p-4 : inexact-ok

6
math/gen-auto-libm-tests.c
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@ -96,7 +96,8 @@
zero and infinite results should be ignored; "xfail" indicates the
test is disabled as expected to produce incorrect results,
"xfail-rounding" indicates the test is disabled only in rounding
modes other than round-to-nearest. Otherwise, test flags are of
modes other than round-to-nearest; "no-mathvec" indicates the test
is disabled in vector math libraries. Otherwise, test flags are of
the form "spurious-<exception>" and "missing-<exception>", for any
exception ("overflow", "underflow", "inexact", "invalid",
"divbyzero"), "spurious-errno" and "missing-errno", to indicate
@ -352,6 +353,7 @@ typedef enum
flag_missing_overflow,
flag_missing_underflow,
flag_missing_errno,
flag_no_mathvec,
num_input_flag_types,
flag_first_flag = 0,
flag_spurious_first = flag_spurious_divbyzero,
@ -377,6 +379,7 @@ static const char *const input_flags[num_input_flag_types] =
"missing-overflow",
"missing-underflow",
"missing-errno",
"no-mathvec",
};
/* An input flag, possibly conditional. */
@ -2049,6 +2052,7 @@ output_for_one_input_case (FILE *fp, const char *filename, test_function *tf,
{
case flag_ignore_zero_inf_sign:
case flag_xfail:
case flag_no_mathvec:
if (fprintf (fp, " %s%s",
input_flags[it->flags[i].type],
(it->flags[i].cond

3
math/gen-libm-test.py
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@ -93,7 +93,8 @@ BEAUTIFY_MAP = {'minus_zero': '-0',
# Flags in auto-libm-test-out that map directly to C flags.
FLAGS_SIMPLE = {'ignore-zero-inf-sign': 'IGNORE_ZERO_INF_SIGN',
'xfail': 'XFAIL_TEST'}
'xfail': 'XFAIL_TEST',
'no-mathvec': 'NO_TEST_MATHVEC'}
# Exceptions in auto-libm-test-out, and their corresponding C flags
# for being required, OK or required to be absent.