diff mbox series

[COMMITTED] math: Fix log10p1f internal table value (BZ 32626)

Message ID 20250131160629.1235119-1-adhemerval.zanella@linaro.org
State Accepted
Commit c79277a16785c8ae96d821414f4d31d654a0177c
Headers show
Series [COMMITTED] math: Fix log10p1f internal table value (BZ 32626) | expand

Commit Message

Adhemerval Zanella Netto Jan. 31, 2025, 4:06 p.m. UTC 
It was copied wrong from CORE-MATH.
---
 math/auto-libm-test-in              |  2 ++
 math/auto-libm-test-out-log10p1     | 25 +++++++++++++++++++++++++
 sysdeps/ieee754/flt-32/s_log10p1f.c |  2 +-
 3 files changed, 28 insertions(+), 1 deletion(-)

Comments

Paul Zimmermann Feb. 1, 2025, 8:01 a.m. UTC | #1 
I confirm commit c79277a fixes the issue for all rounding modes, thank you.

Paul
       
> From: Adhemerval Zanella <adhemerval.zanella@linaro.org>
> Date: Fri, 31 Jan 2025 13:06:29 -0300
> 
> It was copied wrong from CORE-MATH.
> ---
>  math/auto-libm-test-in              |  2 ++
>  math/auto-libm-test-out-log10p1     | 25 +++++++++++++++++++++++++
>  sysdeps/ieee754/flt-32/s_log10p1f.c |  2 +-
>  3 files changed, 28 insertions(+), 1 deletion(-)
> 
> diff --git a/math/auto-libm-test-in b/math/auto-libm-test-in
> index 01ba689aa8..c0627dc7eb 100644
> --- a/math/auto-libm-test-in
> +++ b/math/auto-libm-test-in
> @@ -7291,6 +7291,8 @@ log10p1 -0x1p-125
>  log10p1 -0x1p-1021
>  log10p1 -0x1p-16381
>  
> +log10p1 0x1.27f7dap-17
> +
>  log10p1 0x7.2a4368p-4
>  log10p1 0x6.d3a118p-4
>  log10p1 0x5.03f228p+0
> diff --git a/math/auto-libm-test-out-log10p1 b/math/auto-libm-test-out-log10p1
> index 87bdb0bcde..f5ce965720 100644
> --- a/math/auto-libm-test-out-log10p1
> +++ b/math/auto-libm-test-out-log10p1
> @@ -1789,6 +1789,31 @@ log10p1 -0x1p-16381
>  = log10p1 tonearest binary128 -0x8p-16384 : -0x3.796f62a4dca1c654d56eaabeb4dp-16384 : inexact-ok underflow errno-erange-ok
>  = log10p1 towardzero binary128 -0x8p-16384 : -0x3.796f62a4dca1c654d56eaabeb4ccp-16384 : inexact-ok underflow errno-erange-ok
>  = log10p1 upward binary128 -0x8p-16384 : -0x3.796f62a4dca1c654d56eaabeb4ccp-16384 : inexact-ok underflow errno-erange-ok
> +log10p1 0x1.27f7dap-17
> += log10p1 downward binary32 0x9.3fbedp-20 : 0x4.044b5p-20 : inexact-ok
> += log10p1 tonearest binary32 0x9.3fbedp-20 : 0x4.044b5p-20 : inexact-ok
> += log10p1 towardzero binary32 0x9.3fbedp-20 : 0x4.044b5p-20 : inexact-ok
> += log10p1 upward binary32 0x9.3fbedp-20 : 0x4.044b58p-20 : inexact-ok
> += log10p1 downward binary64 0x9.3fbedp-20 : 0x4.044b5157872ep-20 : inexact-ok
> += log10p1 tonearest binary64 0x9.3fbedp-20 : 0x4.044b5157872e4p-20 : inexact-ok
> += log10p1 towardzero binary64 0x9.3fbedp-20 : 0x4.044b5157872ep-20 : inexact-ok
> += log10p1 upward binary64 0x9.3fbedp-20 : 0x4.044b5157872e4p-20 : inexact-ok
> += log10p1 downward intel96 0x9.3fbedp-20 : 0x4.044b5157872e2868p-20 : inexact-ok
> += log10p1 tonearest intel96 0x9.3fbedp-20 : 0x4.044b5157872e2868p-20 : inexact-ok
> += log10p1 towardzero intel96 0x9.3fbedp-20 : 0x4.044b5157872e2868p-20 : inexact-ok
> += log10p1 upward intel96 0x9.3fbedp-20 : 0x4.044b5157872e287p-20 : inexact-ok
> += log10p1 downward m68k96 0x9.3fbedp-20 : 0x4.044b5157872e2868p-20 : inexact-ok
> += log10p1 tonearest m68k96 0x9.3fbedp-20 : 0x4.044b5157872e2868p-20 : inexact-ok
> += log10p1 towardzero m68k96 0x9.3fbedp-20 : 0x4.044b5157872e2868p-20 : inexact-ok
> += log10p1 upward m68k96 0x9.3fbedp-20 : 0x4.044b5157872e287p-20 : inexact-ok
> += log10p1 downward binary128 0x9.3fbedp-20 : 0x4.044b5157872e2868f5c04287d808p-20 : inexact-ok
> += log10p1 tonearest binary128 0x9.3fbedp-20 : 0x4.044b5157872e2868f5c04287d80cp-20 : inexact-ok
> += log10p1 towardzero binary128 0x9.3fbedp-20 : 0x4.044b5157872e2868f5c04287d808p-20 : inexact-ok
> += log10p1 upward binary128 0x9.3fbedp-20 : 0x4.044b5157872e2868f5c04287d80cp-20 : inexact-ok
> += log10p1 downward ibm128 0x9.3fbedp-20 : 0x4.044b5157872e2868f5c04287d8p-20 : inexact-ok
> += log10p1 tonearest ibm128 0x9.3fbedp-20 : 0x4.044b5157872e2868f5c04287d8p-20 : inexact-ok
> += log10p1 towardzero ibm128 0x9.3fbedp-20 : 0x4.044b5157872e2868f5c04287d8p-20 : inexact-ok
> += log10p1 upward ibm128 0x9.3fbedp-20 : 0x4.044b5157872e2868f5c04287dap-20 : inexact-ok
>  log10p1 0x7.2a4368p-4
>  = log10p1 downward binary32 0x7.2a4368p-4 : 0x2.9248dcp-4 : inexact-ok
>  = log10p1 tonearest binary32 0x7.2a4368p-4 : 0x2.9248ep-4 : inexact-ok
> diff --git a/sysdeps/ieee754/flt-32/s_log10p1f.c b/sysdeps/ieee754/flt-32/s_log10p1f.c
> index 64deb1eeda..4e11d55d49 100644
> --- a/sysdeps/ieee754/flt-32/s_log10p1f.c
> +++ b/sysdeps/ieee754/flt-32/s_log10p1f.c
> @@ -70,7 +70,7 @@ __log10p1f (float x)
>      };
>    static const double tl[] =
>      {
> -      0x1.562ec497ef351p-43, 0x1.b9476892ea99cp-8, 0x1.b5e909c959eecp-7,
> +     -0x1.562ec497ef351p-43, 0x1.b9476892ea99cp-8, 0x1.b5e909c959eecp-7,
>        0x1.45f4f59ec84fp-6,   0x1.af5f92cbcf2aap-6, 0x1.0ba01a6069052p-5,
>        0x1.3ed119b99dd41p-5,  0x1.714834298a088p-5, 0x1.a30a9d98309c1p-5,
>        0x1.d41d51266b9d9p-5,  0x1.02428c0f62dfcp-4, 0x1.1a23444eea521p-4,
> -- 
> 2.43.0
> 
>
diff mbox series

Patch

diff --git a/math/auto-libm-test-in b/math/auto-libm-test-in
index 01ba689aa8..c0627dc7eb 100644
--- a/math/auto-libm-test-in
+++ b/math/auto-libm-test-in
@@ -7291,6 +7291,8 @@  log10p1 -0x1p-125
 log10p1 -0x1p-1021
 log10p1 -0x1p-16381
 
+log10p1 0x1.27f7dap-17
+
 log10p1 0x7.2a4368p-4
 log10p1 0x6.d3a118p-4
 log10p1 0x5.03f228p+0
diff --git a/math/auto-libm-test-out-log10p1 b/math/auto-libm-test-out-log10p1
index 87bdb0bcde..f5ce965720 100644
--- a/math/auto-libm-test-out-log10p1
+++ b/math/auto-libm-test-out-log10p1
@@ -1789,6 +1789,31 @@  log10p1 -0x1p-16381
 = log10p1 tonearest binary128 -0x8p-16384 : -0x3.796f62a4dca1c654d56eaabeb4dp-16384 : inexact-ok underflow errno-erange-ok
 = log10p1 towardzero binary128 -0x8p-16384 : -0x3.796f62a4dca1c654d56eaabeb4ccp-16384 : inexact-ok underflow errno-erange-ok
 = log10p1 upward binary128 -0x8p-16384 : -0x3.796f62a4dca1c654d56eaabeb4ccp-16384 : inexact-ok underflow errno-erange-ok
+log10p1 0x1.27f7dap-17
+= log10p1 downward binary32 0x9.3fbedp-20 : 0x4.044b5p-20 : inexact-ok
+= log10p1 tonearest binary32 0x9.3fbedp-20 : 0x4.044b5p-20 : inexact-ok
+= log10p1 towardzero binary32 0x9.3fbedp-20 : 0x4.044b5p-20 : inexact-ok
+= log10p1 upward binary32 0x9.3fbedp-20 : 0x4.044b58p-20 : inexact-ok
+= log10p1 downward binary64 0x9.3fbedp-20 : 0x4.044b5157872ep-20 : inexact-ok
+= log10p1 tonearest binary64 0x9.3fbedp-20 : 0x4.044b5157872e4p-20 : inexact-ok
+= log10p1 towardzero binary64 0x9.3fbedp-20 : 0x4.044b5157872ep-20 : inexact-ok
+= log10p1 upward binary64 0x9.3fbedp-20 : 0x4.044b5157872e4p-20 : inexact-ok
+= log10p1 downward intel96 0x9.3fbedp-20 : 0x4.044b5157872e2868p-20 : inexact-ok
+= log10p1 tonearest intel96 0x9.3fbedp-20 : 0x4.044b5157872e2868p-20 : inexact-ok
+= log10p1 towardzero intel96 0x9.3fbedp-20 : 0x4.044b5157872e2868p-20 : inexact-ok
+= log10p1 upward intel96 0x9.3fbedp-20 : 0x4.044b5157872e287p-20 : inexact-ok
+= log10p1 downward m68k96 0x9.3fbedp-20 : 0x4.044b5157872e2868p-20 : inexact-ok
+= log10p1 tonearest m68k96 0x9.3fbedp-20 : 0x4.044b5157872e2868p-20 : inexact-ok
+= log10p1 towardzero m68k96 0x9.3fbedp-20 : 0x4.044b5157872e2868p-20 : inexact-ok
+= log10p1 upward m68k96 0x9.3fbedp-20 : 0x4.044b5157872e287p-20 : inexact-ok
+= log10p1 downward binary128 0x9.3fbedp-20 : 0x4.044b5157872e2868f5c04287d808p-20 : inexact-ok
+= log10p1 tonearest binary128 0x9.3fbedp-20 : 0x4.044b5157872e2868f5c04287d80cp-20 : inexact-ok
+= log10p1 towardzero binary128 0x9.3fbedp-20 : 0x4.044b5157872e2868f5c04287d808p-20 : inexact-ok
+= log10p1 upward binary128 0x9.3fbedp-20 : 0x4.044b5157872e2868f5c04287d80cp-20 : inexact-ok
+= log10p1 downward ibm128 0x9.3fbedp-20 : 0x4.044b5157872e2868f5c04287d8p-20 : inexact-ok
+= log10p1 tonearest ibm128 0x9.3fbedp-20 : 0x4.044b5157872e2868f5c04287d8p-20 : inexact-ok
+= log10p1 towardzero ibm128 0x9.3fbedp-20 : 0x4.044b5157872e2868f5c04287d8p-20 : inexact-ok
+= log10p1 upward ibm128 0x9.3fbedp-20 : 0x4.044b5157872e2868f5c04287dap-20 : inexact-ok
 log10p1 0x7.2a4368p-4
 = log10p1 downward binary32 0x7.2a4368p-4 : 0x2.9248dcp-4 : inexact-ok
 = log10p1 tonearest binary32 0x7.2a4368p-4 : 0x2.9248ep-4 : inexact-ok
diff --git a/sysdeps/ieee754/flt-32/s_log10p1f.c b/sysdeps/ieee754/flt-32/s_log10p1f.c
index 64deb1eeda..4e11d55d49 100644
--- a/sysdeps/ieee754/flt-32/s_log10p1f.c
+++ b/sysdeps/ieee754/flt-32/s_log10p1f.c
@@ -70,7 +70,7 @@  __log10p1f (float x)
     };
   static const double tl[] =
     {
-      0x1.562ec497ef351p-43, 0x1.b9476892ea99cp-8, 0x1.b5e909c959eecp-7,
+     -0x1.562ec497ef351p-43, 0x1.b9476892ea99cp-8, 0x1.b5e909c959eecp-7,
       0x1.45f4f59ec84fp-6,   0x1.af5f92cbcf2aap-6, 0x1.0ba01a6069052p-5,
       0x1.3ed119b99dd41p-5,  0x1.714834298a088p-5, 0x1.a30a9d98309c1p-5,
       0x1.d41d51266b9d9p-5,  0x1.02428c0f62dfcp-4, 0x1.1a23444eea521p-4,