Added patch to calculate msvcrt exponential math operations with higher precision.

README.md

@@ -39,6 +39,11 @@ Wine. All those differences are also documented on the
 Included bug fixes and improvements
 -----------------------------------
 
+**Bug fixes and features included in the next upcoming release [1]:**
+
+* Calculate msvcrt exponential math operations with higher precision ([Wine Bug #37149](https://bugs.winehq.org/show_bug.cgi?id=37149))
+
+
 **Bug fixes and features in Wine Staging 1.7.40 [220]:**
 
 *Note: The following list only contains features and bug fixes which are not

debian/changelog

@@ -3,6 +3,7 @@ wine-staging (1.7.41) UNRELEASED; urgency=low
   * Added patch to enable/disable EAX support via winecfg.
   * Added patch with stub for setupapi.SetupDiSetDeviceInstallParamsW.
   * Added first part of patchset containing various improvements for LsaLookupSids.
+  * Added patch to calculate msvcrt exponential math operations with higher precision.
   * Added tests for RtlIpv6AddressToString and RtlIpv6AddressToStringEx.
   * Removed patches to fix invalid memory access in get_registry_locale_info (accepted upstream).
   * Removed patches to avoid repeated FIXMEs in PsLookupProcessByProcessId stub (accepted upstream).

patches/msvcrt-Math_Precision/0001-msvcrt-Calculate-sinh-cosh-exp-pow-with-higher-preci.patch

@@ -0,0 +1,117 @@
+From af8345987e58c2a5e6df44590e677a65ca71594c 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.
+
+Based on a patch by Zheng Chen.
+---
+ configure.ac       | 32 ++++++++++++++++++++++++++++++++
+ dlls/msvcrt/math.c | 21 +++++++++++++++++----
+ 2 files changed, 49 insertions(+), 4 deletions(-)
+
+diff --git a/configure.ac b/configure.ac
+index 688ab26..30e8ef2 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -2586,6 +2586,38 @@ then
+     AC_DEFINE(HAVE_ISNAN, 1, [Define to 1 if you have the `isnan' function.])
+ fi
+ 
++dnl Check for coshl
++AC_CACHE_CHECK([for coshl], ac_cv_have_coshl,
++               AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <math.h>]], [[float f = 0.0; return coshl(f)]])],[ac_cv_have_coshl="yes"],[ac_cv_have_coshl="no"]))
++if test "$ac_cv_have_coshl" = "yes"
++then
++    AC_DEFINE(HAVE_COSHL, 1, [Define to 1 if you have the `coshl' function.])
++fi
++
++dnl Check for sinhl
++AC_CACHE_CHECK([for sinhl], ac_cv_have_sinhl,
++               AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <math.h>]], [[float f = 0.0; return sinhl(f)]])],[ac_cv_have_sinhl="yes"],[ac_cv_have_sinhl="no"]))
++if test "$ac_cv_have_sinhl" = "yes"
++then
++    AC_DEFINE(HAVE_SINHL, 1, [Define to 1 if you have the `sinhl' function.])
++fi
++
++dnl Check for expl
++AC_CACHE_CHECK([for expl], ac_cv_have_expl,
++               AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <math.h>]], [[float f = 0.0; return expl(f)]])],[ac_cv_have_expl="yes"],[ac_cv_have_expl="no"]))
++if test "$ac_cv_have_expl" = "yes"
++then
++    AC_DEFINE(HAVE_EXPL, 1, [Define to 1 if you have the `expl' function.])
++fi
++
++dnl Check for powl
++AC_CACHE_CHECK([for powl], ac_cv_have_powl,
++               AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <math.h>]], [[float f = 0.0; return powl(f, f)]])],[ac_cv_have_powl="yes"],[ac_cv_have_powl="no"]))
++if test "$ac_cv_have_powl" = "yes"
++then
++    AC_DEFINE(HAVE_POWL, 1, [Define to 1 if you have the `powl' function.])
++fi
++
+ AC_CHECK_FUNCS(\
+ 	cbrt \
+ 	cbrtf \
+diff --git a/dlls/msvcrt/math.c b/dlls/msvcrt/math.c
+index 7c971d3..d48199e 100644
+--- a/dlls/msvcrt/math.c
++++ b/dlls/msvcrt/math.c
+@@ -51,6 +51,19 @@ WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
+ #define signbit(x) ((x) < 0)
+ #endif
+ 
++#ifndef HAVE_COSHL
++#define coshl(x) cosh(x)
++#endif
++#ifndef HAVE_SINHL
++#define sinhl(x) sinh(x)
++#endif
++#ifndef HAVE_EXPL
++#define expl(x) exp(x)
++#endif
++#ifndef HAVE_POWL
++#define powl(x,y) pow(x,y)
++#endif
++
+ typedef int (CDECL *MSVCRT_matherr_func)(struct MSVCRT__exception *);
+ typedef double LDOUBLE;  /* long double is just a double */
+ 
+@@ -394,7 +407,7 @@ double CDECL MSVCRT_cos( double x )
+ double CDECL MSVCRT_cosh( double x )
+ {
+   if (!isfinite(x)) *MSVCRT__errno() = MSVCRT_EDOM;
+-  return cosh(x);
++  return coshl(x);
+ }
+ 
+ /*********************************************************************
+@@ -403,7 +416,7 @@ double CDECL MSVCRT_cosh( double x )
+ double CDECL MSVCRT_exp( double x )
+ {
+   if (isnan(x)) *MSVCRT__errno() = MSVCRT_EDOM;
+-  return exp(x);
++  return expl(x);
+ }
+ 
+ /*********************************************************************
+@@ -441,7 +454,7 @@ double CDECL MSVCRT_log10( double x )
+ double CDECL MSVCRT_pow( double x, double y )
+ {
+   /* FIXME: If x < 0 and y is not integral, set EDOM */
+-  double z = pow(x,y);
++  double z = powl(x,y);
+   if (!isfinite(z)) *MSVCRT__errno() = MSVCRT_EDOM;
+   return z;
+ }
+@@ -461,7 +474,7 @@ double CDECL MSVCRT_sin( double x )
+ double CDECL MSVCRT_sinh( double x )
+ {
+   if (!isfinite(x)) *MSVCRT__errno() = MSVCRT_EDOM;
+-  return sinh(x);
++  return sinhl(x);
+ }
+ 
+ /*********************************************************************
+-- 
+2.3.5
+

patches/msvcrt-Math_Precision/definition

@@ -0,0 +1 @@
+Fixes: [37149] Calculate msvcrt exponential math operations with higher precision

patches/patchinstall.sh

@@ -129,6 +129,7 @@ patch_enable_all ()
 	enable_mountmgr_DosDevices="$1"
 	enable_mscoree_CorValidateImage="$1"
 	enable_msvcp90_basic_string_wchar_dtor="$1"
+	enable_msvcrt_Math_Precision="$1"
 	enable_msvcrt_atof_strtod="$1"
 	enable_msvfw32_Image_Size="$1"
 	enable_ntdll_APC_Performance="$1"
@@ -453,6 +454,9 @@ patch_enable ()
 		msvcp90-basic_string_wchar_dtor)
 			enable_msvcp90_basic_string_wchar_dtor="$2"
 			;;
+		msvcrt-Math_Precision)
+			enable_msvcrt_Math_Precision="$2"
+			;;
 		msvcrt-atof_strtod)
 			enable_msvcrt_atof_strtod="$2"
 			;;
@@ -1985,6 +1989,21 @@ if test "$enable_wined3d_CSMT_Helper" -eq 1; then
 	) >> "$patchlist"
 fi
 
+# Patchset wined3d-Multisampling
+# |
+# | This patchset fixes the following Wine bugs:
+# |   *	[#12652] Allow to override number of quality levels for D3DMULTISAMPLE_NONMASKABLE.
+# |
+# | Modified files:
+# |   *	dlls/wined3d/directx.c, dlls/wined3d/wined3d_main.c, dlls/wined3d/wined3d_private.h
+# |
+if test "$enable_wined3d_Multisampling" -eq 1; then
+	patch_apply wined3d-Multisampling/0001-wined3d-Allow-to-specify-multisampling-AA-quality-le.patch
+	(
+		echo '+    { "Austin English", "wined3d: Allow to specify multisampling AA quality levels via registry.", 1 },';
+	) >> "$patchlist"
+fi
+
 # Patchset wined3d-Revert_PixelFormat
 # |
 # | This patchset fixes the following Wine bugs:
@@ -2055,21 +2074,6 @@ if test "$enable_wined3d_wined3d_swapchain_present" -eq 1; then
 	) >> "$patchlist"
 fi
 
-# Patchset wined3d-Multisampling
-# |
-# | This patchset fixes the following Wine bugs:
-# |   *	[#12652] Allow to override number of quality levels for D3DMULTISAMPLE_NONMASKABLE.
-# |
-# | Modified files:
-# |   *	dlls/wined3d/directx.c, dlls/wined3d/wined3d_main.c, dlls/wined3d/wined3d_private.h
-# |
-if test "$enable_wined3d_Multisampling" -eq 1; then
-	patch_apply wined3d-Multisampling/0001-wined3d-Allow-to-specify-multisampling-AA-quality-le.patch
-	(
-		echo '+    { "Austin English", "wined3d: Allow to specify multisampling AA quality levels via registry.", 1 },';
-	) >> "$patchlist"
-fi
-
 # Patchset wined3d-CSMT_Main
 # |
 # | This patchset fixes the following Wine bugs:
@@ -2652,20 +2656,6 @@ if test "$enable_kernel32_Console_Handles" -eq 1; then
 	) >> "$patchlist"
 fi
 
-# Patchset kernel32-SetFileInformationByHandle
-# |
-# | Modified files:
-# |   *	dlls/kernel32/file.c, include/winbase.h
-# |
-if test "$enable_kernel32_SetFileInformationByHandle" -eq 1; then
-	patch_apply kernel32-SetFileInformationByHandle/0001-include-Declare-a-couple-more-file-information-class.patch
-	patch_apply kernel32-SetFileInformationByHandle/0002-kernel32-Implement-SetFileInformationByHandle.patch
-	(
-		echo '+    { "Michael Müller", "include: Declare a couple more file information class structures.", 1 },';
-		echo '+    { "Michael Müller", "kernel32: Implement SetFileInformationByHandle.", 1 },';
-	) >> "$patchlist"
-fi
-
 # Patchset server-File_Permissions
 # |
 # | Modified files:
@@ -2703,6 +2693,20 @@ if test "$enable_ntdll_FileDispositionInformation" -eq 1; then
 	) >> "$patchlist"
 fi
 
+# Patchset kernel32-SetFileInformationByHandle
+# |
+# | Modified files:
+# |   *	dlls/kernel32/file.c, include/winbase.h
+# |
+if test "$enable_kernel32_SetFileInformationByHandle" -eq 1; then
+	patch_apply kernel32-SetFileInformationByHandle/0001-include-Declare-a-couple-more-file-information-class.patch
+	patch_apply kernel32-SetFileInformationByHandle/0002-kernel32-Implement-SetFileInformationByHandle.patch
+	(
+		echo '+    { "Michael Müller", "include: Declare a couple more file information class structures.", 1 },';
+		echo '+    { "Michael Müller", "kernel32: Implement SetFileInformationByHandle.", 1 },';
+	) >> "$patchlist"
+fi
+
 # Patchset kernel32-CopyFileEx
 # |
 # | This patchset fixes the following Wine bugs:
@@ -3003,6 +3007,21 @@ if test "$enable_msvcp90_basic_string_wchar_dtor" -eq 1; then
 	) >> "$patchlist"
 fi
 
+# Patchset msvcrt-Math_Precision
+# |
+# | This patchset fixes the following Wine bugs:
+# |   *	[#37149] Calculate msvcrt exponential math operations with higher precision
+# |
+# | Modified files:
+# |   *	configure.ac, dlls/msvcrt/math.c
+# |
+if test "$enable_msvcrt_Math_Precision" -eq 1; then
+	patch_apply msvcrt-Math_Precision/0001-msvcrt-Calculate-sinh-cosh-exp-pow-with-higher-preci.patch
+	(
+		echo '+    { "Sebastian Lackner", "msvcrt: Calculate sinh/cosh/exp/pow with higher precision.", 1 },';
+	) >> "$patchlist"
+fi
+
 # Patchset msvcrt-atof_strtod
 # |
 # | This patchset fixes the following Wine bugs: