msvcr120: Add erf functions.

configure

@@ -16572,6 +16572,8 @@ fi
 for ac_func in \
 	cbrt \
 	cbrtf \
+	erf \
+	erff \
 	exp2 \
 	exp2f \
 	llrint \

configure.ac

@@ -2590,6 +2590,8 @@ fi
 AC_CHECK_FUNCS(\
 	cbrt \
 	cbrtf \
+	erf \
+	erff \
 	exp2 \
 	exp2f \
 	llrint \

dlls/msvcr120/msvcr120.spec

@@ -2119,12 +2119,12 @@
 @ stub ctanhl
 @ stub ctanl
 @ cdecl -ret64 div(long long) MSVCRT_div
-@ stub erf
+@ cdecl erf(double) MSVCR120_erf
 @ stub erfc
 @ stub erfcf
 @ stub erfcl
-@ stub erff
-@ stub erfl
+@ cdecl erff(double) MSVCR120_erff
+@ cdecl erfl(double) MSVCR120_erfl
 @ cdecl exit(long) MSVCRT_exit
 @ cdecl exp(double) MSVCRT_exp
 @ cdecl exp2(double) MSVCR120_exp2

dlls/msvcr120_app/msvcr120_app.spec

@@ -1788,12 +1788,12 @@
 @ stub ctanhl
 @ stub ctanl
 @ cdecl -ret64 div(long long) msvcr120.div
-@ stub erf
+@ cdecl erf(double) msvcr120.erf
 @ stub erfc
 @ stub erfcf
 @ stub erfcl
-@ stub erff
-@ stub erfl
+@ cdecl erff(double) msvcr120.erff
+@ cdecl erfl(double) msvcr120.erfl
 @ cdecl exit(long) msvcr120.exit
 @ cdecl exp(double) msvcr120.exp
 @ cdecl exp2(double) msvcr120.exp2

dlls/msvcrt/math.c

@@ -2606,6 +2606,40 @@ short CDECL MSVCR120__ldtest(LDOUBLE *x)
     return MSVCR120__dclass(*x);
 }
 
+/*********************************************************************
+ *      erff (MSVCR120.@)
+ */
+float CDECL MSVCR120_erff(float x)
+{
+#ifdef HAVE_ERFF
+    return erff(x);
+#else
+    FIXME( "not implemented\n" );
+    return 0.0f;
+#endif
+}
+
+/*********************************************************************
+ *      erf (MSVCR120.@)
+ */
+double CDECL MSVCR120_erf(double x)
+{
+#ifdef HAVE_ERF
+    return erf(x);
+#else
+    FIXME( "not implemented\n" );
+    return 0.0;
+#endif
+}
+
+/*********************************************************************
+ *      erfl (MSVCR120.@)
+ */
+LDOUBLE CDECL MSVCR120_erfl(LDOUBLE x)
+{
+    return MSVCR120_erf(x);
+}
+
 /*********************************************************************
  *      fmaxf (MSVCR120.@)
  */

include/config.h.in

@@ -111,6 +111,12 @@
 /* Define to 1 if you have the `epoll_create' function. */
 #undef HAVE_EPOLL_CREATE
 
+/* Define to 1 if you have the `erf' function. */
+#undef HAVE_ERF
+
+/* Define to 1 if you have the `erff' function. */
+#undef HAVE_ERFF
+
 /* Define to 1 if you have the `exp2' function. */
 #undef HAVE_EXP2