msvcrt: Implement lrint using rint function.

configure

@@ -19642,7 +19642,6 @@ for ac_func in \
 	log1pf \
 	log2 \
 	log2f \
-	lrint \
 	lrintf \
 	nearbyint \
 	nearbyintf \

configure.ac

@@ -2682,7 +2682,6 @@ AC_CHECK_FUNCS(\
 	log1pf \
 	log2 \
 	log2f \
-	lrint \
 	lrintf \
 	nearbyint \
 	nearbyintf \

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;
 }
 
 /*********************************************************************

dlls/msvcrt/unixlib.c

@@ -556,18 +556,6 @@ static float CDECL unix_logbf( float 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
  */
 static int CDECL unix_lrintf(float x)
@@ -894,7 +882,6 @@ static const struct unix_funcs funcs =
     unix_log2f,
     unix_logb,
     unix_logbf,
-    unix_lrint,
     unix_lrintf,
     unix_modf,
     unix_modff,

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);

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