Piotr Caban : msvcrt: Implement lrint using rint function.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 0838c995ea540975ff37cc7dead0f28084c24eb6
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=0838c995ea540975ff37cc7de...

Author: Piotr Caban 
Date:   Mon May 10 20:11:48 2021 +0200

msvcrt: Implement lrint using rint function.

Signed-off-by: Piotr Caban 
Signed-off-by: Alexandre Julliard

---

configure             |  1 -
 configure.ac          |  1 -
 dlls/msvcrt/math.c    | 10 +++++++++-
 dlls/msvcrt/unixlib.c | 13 -------------
 dlls/msvcrt/unixlib.h |  1 -
 include/config.h.in   |  3 ---
 6 files changed, 9 insertions(+), 20 deletions(-)

diff --git a/configure b/configure
index 25161a1f27a..2b17a5b20c7 100755
--- a/configure
+++ b/configure
@@ -19642,7 +19642,6 @@ for ac_func in \
    log1pf \
    log2 \
    log2f \
-	lrint \
    lrintf \
    nearbyint \
    nearbyintf \
diff --git a/configure.ac b/configure.ac
index 46d6f17fe73..7af593fa6fd 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2682,7 +2682,6 @@ AC_CHECK_FUNCS(\
    log1pf \
    log2 \
    log2f \
-	lrint \
    lrintf \
    nearbyint \
    nearbyintf \
diff --git a/dlls/msvcrt/math.c b/dlls/msvcrt/math.c
index 1e67aa03964..fd580d44a9d 100644
--- a/dlls/msvcrt/math.c
+++ b/dlls/msvcrt/math.c
@@ -4340,7 +4340,15 @@ float CDECL rintf(float x)
  */
 __msvcrt_long CDECL lrint(double x)
 {
-    return unix_funcs->lrint( x );
+    double d;
+
+    d = rint(x);
+    if ((d < 0 && d != (double)(__msvcrt_long)d)
+            || (d >= 0 && d != (double)(__msvcrt_ulong)d)) {
+        *_errno() = EDOM;
+        return 0;
+    }
+    return d;
 }

/*********************************************************************
diff --git a/dlls/msvcrt/unixlib.c b/dlls/msvcrt/unixlib.c
index e36c2e047b9..0353859eec2 100644
--- a/dlls/msvcrt/unixlib.c
+++ b/dlls/msvcrt/unixlib.c
@@ -555,18 +555,6 @@ static float CDECL unix_logbf( float x )
     return logbf( x );
 }

-/*********************************************************************
- *      lrint
- */
-static int CDECL unix_lrint(double x)
-{
-#ifdef HAVE_LRINT
-    return lrint(x);
-#else
-    return x >= 0 ? floor(x + 0.5) : ceil(x - 0.5);
-#endif
-}
-
 /*********************************************************************
  *      lrintf
  */
@@ -894,7 +882,6 @@ static const struct unix_funcs funcs =
     unix_log2f,
     unix_logb,
     unix_logbf,
-    unix_lrint,
     unix_lrintf,
     unix_modf,
     unix_modff,
diff --git a/dlls/msvcrt/unixlib.h b/dlls/msvcrt/unixlib.h
index 74545507b26..83356b0125b 100644
--- a/dlls/msvcrt/unixlib.h
+++ b/dlls/msvcrt/unixlib.h
@@ -72,7 +72,6 @@ struct unix_funcs
     float           (CDECL *log2f)(float x);
     double          (CDECL *logb)(double x);
     float           (CDECL *logbf)(float x);
-    int             (CDECL *lrint)(double x);
     int             (CDECL *lrintf)(float x);
     double          (CDECL *modf)(double x, double *iptr);
     float           (CDECL *modff)(float x, float *iptr);
diff --git a/include/config.h.in b/include/config.h.in
index ee34d528122..5dac8fd704c 100644
--- a/include/config.h.in
+++ b/include/config.h.in
@@ -471,9 +471,6 @@
 /* Define to 1 if you have the `log2f' function. */
 #undef HAVE_LOG2F

-/* Define to 1 if you have the `lrint' function. */
-#undef HAVE_LRINT
-
 /* Define to 1 if you have the `lrintf' function. */
 #undef HAVE_LRINTF