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Rebase against 2b76b9f234eb5d4753337d8b080f2c050daae3ff.

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This commit is contained in:
Alistair Leslie-Hughes
2020-08-05 10:37:50 +10:00
parent e4a11b1663
commit eb32fd78ae
4 changed files with 18 additions and 65 deletions
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40
patches/msvcrt-Math_Precision/0001-msvcrt-Calculate-sinh-cosh-exp-pow-with-higher-preci.patch
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@@ -1,18 +1,19 @@
From 2712050d88f9b75e0b10e845d1ad21809a9d6dae Mon Sep 17 00:00:00 2001
From 478753ef290789114c84c9c7a037206e4d5443f0 Mon Sep 17 00:00:00 2001
From: Sebastian Lackner <sebastian@fds-team.de>
Date: Fri, 10 Apr 2015 07:51:16 +0200
Subject: msvcrt: Calculate sinh/cosh/exp/pow with higher precision. (v2)
Subject: [PATCH] msvcrt: Calculate sinh/cosh/exp/pow with higher precision.
(v2)
Based on a patch by Zheng Chen.
---
dlls/msvcrt/math.c | 63 ++++++++++++++++++++++++++++++++++++++++++++++++++----
1 file changed, 59 insertions(+), 4 deletions(-)
dlls/msvcrt/math.c | 61 +++++++++++++++++++++++++++++++++++++++++++---
1 file changed, 58 insertions(+), 3 deletions(-)
diff --git a/dlls/msvcrt/math.c b/dlls/msvcrt/math.c
index 60ce4e659f5..140bf08828b 100644
index 59b6a984878..11ba649a947 100644
--- a/dlls/msvcrt/math.c
+++ b/dlls/msvcrt/math.c
@@ -64,6 +64,61 @@ static MSVCRT_matherr_func MSVCRT_default_matherr_func = NULL;
@@ -69,6 +69,61 @@ static MSVCRT_matherr_func MSVCRT_default_matherr_func = NULL;
static BOOL sse2_supported;
static BOOL sse2_enabled;
@@ -74,42 +75,33 @@ index 60ce4e659f5..140bf08828b 100644
void msvcrt_init_math(void)
{
sse2_supported = sse2_enabled = IsProcessorFeaturePresent( PF_XMMI64_INSTRUCTIONS_AVAILABLE );
@@ -478,7 +533,7 @@ double CDECL MSVCRT_cos( double x )
@@ -557,7 +612,7 @@ double CDECL MSVCRT_cos( double x )
*/
double CDECL MSVCRT_cosh( double x )
{
- double ret = cosh(x);
+ double ret = precise_cosh(x);
if (isnan(x)) math_error(_DOMAIN, "cosh", x, 0, ret);
if (isnan(x)) return math_error(_DOMAIN, "cosh", x, 0, ret);
return ret;
}
@@ -488,7 +543,7 @@ double CDECL MSVCRT_cosh( double x )
@@ -567,7 +622,7 @@ double CDECL MSVCRT_cosh( double x )
*/
double CDECL MSVCRT_exp( double x )
{
- double ret = exp(x);
+ double ret = precise_exp(x);
if (isnan(x)) math_error(_DOMAIN, "exp", x, 0, ret);
else if (isfinite(x) && !ret) math_error(_UNDERFLOW, "exp", x, 0, ret);
else if (isfinite(x) && !isfinite(ret)) math_error(_OVERFLOW, "exp", x, 0, ret);
@@ -532,7 +587,7 @@ double CDECL MSVCRT_log10( double x )
*/
double CDECL MSVCRT_pow( double x, double y )
{
- double z = pow(x,y);
+ double z = precise_pow(x,y);
if (x < 0 && y != floor(y)) math_error(_DOMAIN, "pow", x, y, z);
else if (!x && isfinite(y) && y < 0) math_error(_SING, "pow", x, y, z);
else if (isfinite(x) && isfinite(y) && !isfinite(z)) math_error(_OVERFLOW, "pow", x, y, z);
@@ -555,7 +610,7 @@ double CDECL MSVCRT_sin( double x )
if (isnan(x)) return math_error(_DOMAIN, "exp", x, 0, ret);
if (isfinite(x) && !ret) return math_error(_UNDERFLOW, "exp", x, 0, ret);
if (isfinite(x) && !isfinite(ret)) return math_error(_OVERFLOW, "exp", x, 0, ret);
@@ -638,7 +693,7 @@ double CDECL MSVCRT_sin( double x )
*/
double CDECL MSVCRT_sinh( double x )
{
- double ret = sinh(x);
+ double ret = precise_sinh(x);
if (isnan(x)) math_error(_DOMAIN, "sinh", x, 0, ret);
if (isnan(x)) return math_error(_DOMAIN, "sinh", x, 0, ret);
return ret;
}
--
2.14.1
2.27.0