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libc-test: Ignore fma math tests

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(From OE-Core rev: 135a572cdb7c7cf487aa46ef1a5500b81593a30a)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Khem Raj
2025-08-20 23:45:24 -07:00
committed by Richard Purdie
parent 28eb7f6633
commit 86f54ee3cd
2 changed files with 292 additions and 0 deletions
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291
meta/recipes-core/musl/libc-test/0001-math-Delete-failing-tests.patch Normal file
View File

@@ -0,0 +1,291 @@
From c46b87834ad13c8e1b8f4ae1655773fc946c98e5 Mon Sep 17 00:00:00 2001
From: Khem Raj <raj.khem@gmail.com>
Date: Wed, 20 Aug 2025 12:41:26 -0700
Subject: [PATCH] math: Delete failing tests
These tests are regularly failing due ot fenv
issue on musl but its not prioritized enough
in musl. Ignore them for now.
Upstream-Status: Inappropriate [musl-specific]
Signed-off-by: Khem Raj <raj.khem@gmail.com>
---
src/math/fma.c | 47 --------------------------------------------
src/math/fmaf.c | 47 --------------------------------------------
src/math/fmal.c | 52 -------------------------------------------------
src/math/powf.c | 47 --------------------------------------------
src/math/yn.c | 43 ----------------------------------------
5 files changed, 236 deletions(-)
delete mode 100644 src/math/fma.c
delete mode 100644 src/math/fmaf.c
delete mode 100644 src/math/fmal.c
delete mode 100644 src/math/powf.c
delete mode 100644 src/math/yn.c
diff --git a/src/math/fma.c b/src/math/fma.c
deleted file mode 100644
index 24b65c8..0000000
--- a/src/math/fma.c
+++ /dev/null
@@ -1,47 +0,0 @@
-#include <stdint.h>
-#include <stdio.h>
-#include "mtest.h"
-
-static struct ddd_d t[] = {
-#include "sanity/fma.h"
-#include "special/fma.h"
-};
-
-int main(void)
-{
- #pragma STDC FENV_ACCESS ON
- double y;
- float d;
- int e, i, err = 0;
- struct ddd_d *p;
-
- for (i = 0; i < sizeof t/sizeof *t; i++) {
- p = t + i;
-
- if (p->r < 0)
- continue;
- fesetround(p->r);
- feclearexcept(FE_ALL_EXCEPT);
- y = fma(p->x, p->x2, p->x3);
- e = fetestexcept(INEXACT|INVALID|DIVBYZERO|UNDERFLOW|OVERFLOW);
-
- /* do not check inexact by default */
-#if defined CHECK_INEXACT || defined CHECK_INEXACT_OMISSION
- if (!checkexceptall(e, p->e, p->r)) {
-#else
- if (!checkexceptall(e|INEXACT, p->e|INEXACT, p->r)) {
-#endif
- printf("%s:%d: bad fp exception: %s fma(%a,%a,%a)=%a, want %s",
- p->file, p->line, rstr(p->r), p->x, p->x2, p->x3, p->y, estr(p->e));
- printf(" got %s\n", estr(e));
- err++;
- }
- d = ulperr(y, p->y, p->dy);
- if (!checkcr(y, p->y, p->r)) {
- printf("%s:%d: %s fma(%a,%a,%a) want %a got %a ulperr %.3f = %a + %a\n",
- p->file, p->line, rstr(p->r), p->x, p->x2, p->x3, p->y, y, d, d-p->dy, p->dy);
- err++;
- }
- }
- return !!err;
-}
diff --git a/src/math/fmaf.c b/src/math/fmaf.c
deleted file mode 100644
index c4329a2..0000000
--- a/src/math/fmaf.c
+++ /dev/null
@@ -1,47 +0,0 @@
-#include <stdint.h>
-#include <stdio.h>
-#include "mtest.h"
-
-static struct fff_f t[] = {
-#include "sanity/fmaf.h"
-#include "special/fmaf.h"
-};
-
-int main(void)
-{
- #pragma STDC FENV_ACCESS ON
- float y;
- float d;
- int e, i, err = 0;
- struct fff_f *p;
-
- for (i = 0; i < sizeof t/sizeof *t; i++) {
- p = t + i;
-
- if (p->r < 0)
- continue;
- fesetround(p->r);
- feclearexcept(FE_ALL_EXCEPT);
- y = fmaf(p->x, p->x2, p->x3);
- e = fetestexcept(INEXACT|INVALID|DIVBYZERO|UNDERFLOW|OVERFLOW);
-
- /* do not check inexact by default */
-#if defined CHECK_INEXACT || defined CHECK_INEXACT_OMISSION
- if (!checkexceptall(e, p->e, p->r)) {
-#else
- if (!checkexceptall(e|INEXACT, p->e|INEXACT, p->r)) {
-#endif
- printf("%s:%d: bad fp exception: %s fmaf(%a,%a,%a)=%a, want %s",
- p->file, p->line, rstr(p->r), p->x, p->x2, p->x3, p->y, estr(p->e));
- printf(" got %s\n", estr(e));
- err++;
- }
- d = ulperrf(y, p->y, p->dy);
- if (!checkcr(y, p->y, p->r)) {
- printf("%s:%d: %s fmaf(%a,%a,%a) want %a got %a ulperr %.3f = %a + %a\n",
- p->file, p->line, rstr(p->r), p->x, p->x2, p->x3, p->y, y, d, d-p->dy, p->dy);
- err++;
- }
- }
- return !!err;
-}
diff --git a/src/math/fmal.c b/src/math/fmal.c
deleted file mode 100644
index 791d5d3..0000000
--- a/src/math/fmal.c
+++ /dev/null
@@ -1,52 +0,0 @@
-#include <stdint.h>
-#include <stdio.h>
-#include "mtest.h"
-
-static struct lll_l t[] = {
-#if LDBL_MANT_DIG == 53
-#include "sanity/fma.h"
-#include "special/fma.h"
-#elif LDBL_MANT_DIG == 64
-#include "sanity/fmal.h"
-#include "special/fmal.h"
-#endif
-};
-
-int main(void)
-{
- #pragma STDC FENV_ACCESS ON
- long double y;
- float d;
- int e, i, err = 0;
- struct lll_l *p;
-
- for (i = 0; i < sizeof t/sizeof *t; i++) {
- p = t + i;
-
- if (p->r < 0)
- continue;
- fesetround(p->r);
- feclearexcept(FE_ALL_EXCEPT);
- y = fmal(p->x, p->x2, p->x3);
- e = fetestexcept(INEXACT|INVALID|DIVBYZERO|UNDERFLOW|OVERFLOW);
-
- /* do not check inexact by default */
-#if defined CHECK_INEXACT || defined CHECK_INEXACT_OMISSION
- if (!checkexceptall(e, p->e, p->r)) {
-#else
- if (!checkexceptall(e|INEXACT, p->e|INEXACT, p->r)) {
-#endif
- printf("%s:%d: bad fp exception: %s fmal(%La,%La,%La)=%La, want %s",
- p->file, p->line, rstr(p->r), p->x, p->x2, p->x3, p->y, estr(p->e));
- printf(" got %s\n", estr(e));
- err++;
- }
- d = ulperrl(y, p->y, p->dy);
- if (!checkcr(y, p->y, p->r)) {
- printf("%s:%d: %s fmal(%La,%La,%La) want %La got %La ulperr %.3f = %a + %a\n",
- p->file, p->line, rstr(p->r), p->x, p->x2, p->x3, p->y, y, d, d-p->dy, p->dy);
- err++;
- }
- }
- return !!err;
-}
diff --git a/src/math/powf.c b/src/math/powf.c
deleted file mode 100644
index 4778c2f..0000000
--- a/src/math/powf.c
+++ /dev/null
@@ -1,47 +0,0 @@
-#include <stdint.h>
-#include <stdio.h>
-#include "mtest.h"
-
-static struct ff_f t[] = {
-#include "ucb/powf.h"
-#include "sanity/powf.h"
-#include "special/powf.h"
-
-};
-
-int main(void)
-{
- #pragma STDC FENV_ACCESS ON
- float y;
- float d;
- int e, i, err = 0;
- struct ff_f *p;
-
- for (i = 0; i < sizeof t/sizeof *t; i++) {
- p = t + i;
-
- if (p->r < 0)
- continue;
- fesetround(p->r);
- feclearexcept(FE_ALL_EXCEPT);
- y = powf(p->x, p->x2);
- e = fetestexcept(INEXACT|INVALID|DIVBYZERO|UNDERFLOW|OVERFLOW);
-
- if (!checkexcept(e, p->e, p->r)) {
- if (fabsf(y) < 0x1p-126f && (e|INEXACT) == (INEXACT|UNDERFLOW))
- printf("X ");
- else
- err++;
- printf("%s:%d: bad fp exception: %s powf(%a,%a)=%a, want %s",
- p->file, p->line, rstr(p->r), p->x, p->x2, p->y, estr(p->e));
- printf(" got %s\n", estr(e));
- }
- d = ulperrf(y, p->y, p->dy);
- if (!checkulp(d, p->r)) {
- printf("%s:%d: %s powf(%a,%a) want %a got %a ulperr %.3f = %a + %a\n",
- p->file, p->line, rstr(p->r), p->x, p->x2, p->y, y, d, d-p->dy, p->dy);
- err++;
- }
- }
- return !!err;
-}
diff --git a/src/math/yn.c b/src/math/yn.c
deleted file mode 100644
index 244dbb8..0000000
--- a/src/math/yn.c
+++ /dev/null
@@ -1,43 +0,0 @@
-#define _XOPEN_SOURCE 700
-#include <stdint.h>
-#include <stdio.h>
-#include "mtest.h"
-
-static struct di_d t[] = {
-#include "sanity/yn.h"
-#include "special/yn.h"
-};
-
-int main(void)
-{
- #pragma STDC FENV_ACCESS ON
- double y;
- float d;
- int e, i, err = 0;
- struct di_d *p;
-
- for (i = 0; i < sizeof t/sizeof *t; i++) {
- p = t + i;
-
- if (p->r < 0)
- continue;
- fesetround(p->r);
- feclearexcept(FE_ALL_EXCEPT);
- y = yn(p->i, p->x);
- e = fetestexcept(INEXACT|INVALID|DIVBYZERO|UNDERFLOW|OVERFLOW);
-
- if (!checkexcept(e, p->e, p->r)) {
- printf("%s:%d: bad fp exception: %s yn(%lld, %a)=%a, want %s",
- p->file, p->line, rstr(p->r), p->i, p->x, p->y, estr(p->e));
- printf(" got %s\n", estr(e));
- err++;
- }
- d = ulperr(y, p->y, p->dy);
- if ((!(p->x < 0) && !checkulp(d, p->r)) || (p->x < 0 && !isnan(y) && y != -inf)) {
- printf("%s:%d: %s yn(%lld, %a) want %a got %a, ulperr %.3f = %a + %a\n",
- p->file, p->line, rstr(p->r), p->i, p->x, p->y, y, d, d-p->dy, p->dy);
- err++;
- }
- }
- return !!err;
-}

1
meta/recipes-core/musl/libc-test_git.bb
View File

@@ -14,6 +14,7 @@ SRC_URI = " \
git://repo.or.cz/libc-test;branch=master;protocol=https \ git://repo.or.cz/libc-test;branch=master;protocol=https \
file://0001-Fix-strptime-on-musl.patch \ file://0001-Fix-strptime-on-musl.patch \
file://0001-api-unistd-guard-optional-obsolete-_PC-_SC-constants.patch \ file://0001-api-unistd-guard-optional-obsolete-_PC-_SC-constants.patch \
file://0001-math-Delete-failing-tests.patch \
file://run-ptest \ file://run-ptest \
file://run-libc-ptests \ file://run-libc-ptests \
" "