Nikolay Sivov : ucrtbase: Add ilogb* functions.

Alexandre Julliard julliard at winehq.org
Wed May 15 14:32:21 CDT 2019


Module: wine
Branch: stable
Commit: 3838bc9698c20a74284e0137fe5a1f6b96d0e7f3
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=3838bc9698c20a74284e0137fe5a1f6b96d0e7f3

Author: Nikolay Sivov <nsivov at codeweavers.com>
Date:   Thu Feb 28 21:08:13 2019 +0100

ucrtbase: Add ilogb* functions.

Signed-off-by: Piotr Caban <piotr at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
(cherry picked from commit 8c8d8e80f558e8b0de410196ce4bcc9c77b91edf)
Signed-off-by: Michael Stefaniuc <mstefani at winehq.org>

---

 configure                                          |  2 ++
 configure.ac                                       |  2 ++
 .../api-ms-win-crt-math-l1-1-0.spec                |  6 ++---
 dlls/msvcr120/msvcr120.spec                        |  6 ++---
 dlls/msvcr120_app/msvcr120_app.spec                |  6 ++---
 dlls/msvcrt/math.c                                 | 31 ++++++++++++++++++++++
 dlls/msvcrt/msvcrt.h                               |  4 +++
 dlls/ucrtbase/ucrtbase.spec                        |  6 ++---
 include/config.h.in                                |  6 +++++
 9 files changed, 57 insertions(+), 12 deletions(-)

diff --git a/configure b/configure
index 2220d16..a4c835c 100755
--- a/configure
+++ b/configure
@@ -18605,6 +18605,8 @@ for ac_func in \
 	exp2f \
 	expm1 \
 	expm1f \
+	ilogb \
+	ilogbf \
 	j0 \
 	j1 \
 	jn \
diff --git a/configure.ac b/configure.ac
index fe7ad4e..8493778 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2743,6 +2743,8 @@ AC_CHECK_FUNCS(\
 	exp2f \
 	expm1 \
 	expm1f \
+	ilogb \
+	ilogbf \
 	j0 \
 	j1 \
 	jn \
diff --git a/dlls/api-ms-win-crt-math-l1-1-0/api-ms-win-crt-math-l1-1-0.spec b/dlls/api-ms-win-crt-math-l1-1-0/api-ms-win-crt-math-l1-1-0.spec
index f5e4fb1..dea5094 100644
--- a/dlls/api-ms-win-crt-math-l1-1-0/api-ms-win-crt-math-l1-1-0.spec
+++ b/dlls/api-ms-win-crt-math-l1-1-0/api-ms-win-crt-math-l1-1-0.spec
@@ -254,9 +254,9 @@
 @ cdecl -arch=arm,x86_64,arm64 fmodf(float float) ucrtbase.fmodf
 @ cdecl frexp(double ptr) ucrtbase.frexp
 @ cdecl hypot(double double) ucrtbase.hypot
-@ stub ilogb
-@ stub ilogbf
-@ stub ilogbl
+@ cdecl ilogb(double) ucrtbase.ilogb
+@ cdecl ilogbf(float) ucrtbase.ilogbf
+@ cdecl ilogbl(double) ucrtbase.ilogbl
 @ cdecl ldexp(double long) ucrtbase.ldexp
 @ cdecl lgamma(double) ucrtbase.lgamma
 @ cdecl lgammaf(float) ucrtbase.lgammaf
diff --git a/dlls/msvcr120/msvcr120.spec b/dlls/msvcr120/msvcr120.spec
index 478248d..4ddead9 100644
--- a/dlls/msvcr120/msvcr120.spec
+++ b/dlls/msvcr120/msvcr120.spec
@@ -2207,9 +2207,9 @@
 @ cdecl gets_s(ptr long) MSVCRT_gets_s
 @ cdecl getwc(ptr) MSVCRT_getwc
 @ cdecl getwchar() MSVCRT_getwchar
-@ stub ilogb
-@ stub ilogbf
-@ stub ilogbl
+@ cdecl ilogb(double) MSVCR120_ilogb
+@ cdecl ilogbf(float) MSVCR120_ilogbf
+@ cdecl ilogbl(double) MSVCR120_ilogbl
 @ stub imaxabs
 @ stub imaxdiv
 @ cdecl is_wctype(long long) ntdll.iswctype
diff --git a/dlls/msvcr120_app/msvcr120_app.spec b/dlls/msvcr120_app/msvcr120_app.spec
index 706799c..54de44b 100644
--- a/dlls/msvcr120_app/msvcr120_app.spec
+++ b/dlls/msvcr120_app/msvcr120_app.spec
@@ -1871,9 +1871,9 @@
 @ cdecl gets_s(ptr long) msvcr120.gets_s
 @ cdecl getwc(ptr) msvcr120.getwc
 @ cdecl getwchar() msvcr120.getwchar
-@ stub ilogb
-@ stub ilogbf
-@ stub ilogbl
+@ cdecl ilogb(double) msvcr120.ilogb
+@ cdecl ilogbf(float) msvcr120.ilogbf
+@ cdecl ilogbl(double) msvcr120.ilogbl
 @ stub imaxabs
 @ stub imaxdiv
 @ cdecl isalnum(long) msvcr120.isalnum
diff --git a/dlls/msvcrt/math.c b/dlls/msvcrt/math.c
index dc12cb1..ca181d9 100644
--- a/dlls/msvcrt/math.c
+++ b/dlls/msvcrt/math.c
@@ -3433,4 +3433,35 @@ double CDECL MSVCR120_creal(_Dcomplex z)
     return z.x;
 }
 
+int CDECL MSVCR120_ilogb(double x)
+{
+    if (!x) return MSVCRT_FP_ILOGB0;
+    if (isnan(x)) return MSVCRT_FP_ILOGBNAN;
+    if (isinf(x)) return MSVCRT_INT_MAX;
+
+#ifdef HAVE_ILOGB
+    return ilogb(x);
+#else
+    return logb(x);
+#endif
+}
+
+int CDECL MSVCR120_ilogbf(float x)
+{
+    if (!x) return MSVCRT_FP_ILOGB0;
+    if (isnan(x)) return MSVCRT_FP_ILOGBNAN;
+    if (isinf(x)) return MSVCRT_INT_MAX;
+
+#ifdef HAVE_ILOGBF
+    return ilogbf(x);
+#else
+    return logbf(x);
+#endif
+}
+
+int CDECL MSVCR120_ilogbl(LDOUBLE x)
+{
+    return MSVCR120_ilogb(x);
+}
+
 #endif /* _MSVCR_VER>=120 */
diff --git a/dlls/msvcrt/msvcrt.h b/dlls/msvcrt/msvcrt.h
index 02b8628..8654218 100644
--- a/dlls/msvcrt/msvcrt.h
+++ b/dlls/msvcrt/msvcrt.h
@@ -41,6 +41,7 @@
 #include "windef.h"
 #include "winbase.h"
 
+#define MSVCRT_INT_MAX     0x7fffffff
 #define MSVCRT_LONG_MAX    0x7fffffff
 #define MSVCRT_LONG_MIN    (-MSVCRT_LONG_MAX-1)
 #define MSVCRT_ULONG_MAX   0xffffffff
@@ -1185,6 +1186,9 @@ printf_arg arg_clbk_positional(void*, int, int, __ms_va_list*) DECLSPEC_HIDDEN;
 #define MSVCRT__OVERFLOW  3
 #define MSVCRT__UNDERFLOW 4
 
+#define MSVCRT_FP_ILOGB0 (-MSVCRT_INT_MAX - 1)
+#define MSVCRT_FP_ILOGBNAN MSVCRT_INT_MAX
+
 typedef struct
 {
     float f;
diff --git a/dlls/ucrtbase/ucrtbase.spec b/dlls/ucrtbase/ucrtbase.spec
index 6b87bd1..2e5e102 100644
--- a/dlls/ucrtbase/ucrtbase.spec
+++ b/dlls/ucrtbase/ucrtbase.spec
@@ -2341,9 +2341,9 @@
 @ cdecl getwc(ptr) MSVCRT_getwc
 @ cdecl getwchar() MSVCRT_getwchar
 @ cdecl hypot(double double) _hypot
-@ stub ilogb
-@ stub ilogbf
-@ stub ilogbl
+@ cdecl ilogb(double) MSVCR120_ilogb
+@ cdecl ilogbf(float) MSVCR120_ilogbf
+@ cdecl ilogbl(double) MSVCR120_ilogbl
 @ stub imaxabs
 @ stub imaxdiv
 @ cdecl is_wctype(long long) ntdll.iswctype
diff --git a/include/config.h.in b/include/config.h.in
index af8783a..05a7147 100644
--- a/include/config.h.in
+++ b/include/config.h.in
@@ -300,6 +300,12 @@
 /* Define to 1 if you have the `if_nameindex' function. */
 #undef HAVE_IF_NAMEINDEX
 
+/* Define to 1 if you have the `ilogb' function. */
+#undef HAVE_ILOGB
+
+/* Define to 1 if you have the `ilogbf' function. */
+#undef HAVE_ILOGBF
+
 /* Define to 1 if you have the `inet_addr' function. */
 #undef HAVE_INET_ADDR
 




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