msvcrt: Add sincos to importlib.

dlls/msvcr100/Makefile.in

@@ -34,6 +34,7 @@ C_SRCS = \
 	process.c \
 	scanf.c \
 	scheduler.c \
+	sincos.c \
 	string.c \
 	thread.c \
 	time.c \

dlls/msvcr110/Makefile.in

@@ -34,6 +34,7 @@ C_SRCS = \
 	process.c \
 	scanf.c \
 	scheduler.c \
+	sincos.c \
 	string.c \
 	thread.c \
 	time.c \

dlls/msvcr120/Makefile.in

@@ -34,6 +34,7 @@ C_SRCS = \
 	process.c \
 	scanf.c \
 	scheduler.c \
+	sincos.c \
 	string.c \
 	thread.c \
 	time.c \

dlls/msvcr70/Makefile.in

@@ -33,6 +33,7 @@ C_SRCS = \
 	onexit.c \
 	process.c \
 	scanf.c \
+	sincos.c \
 	string.c \
 	thread.c \
 	time.c \

dlls/msvcr71/Makefile.in

@@ -33,6 +33,7 @@ C_SRCS = \
 	onexit.c \
 	process.c \
 	scanf.c \
+	sincos.c \
 	string.c \
 	thread.c \
 	time.c \

dlls/msvcr80/Makefile.in

@@ -33,6 +33,7 @@ C_SRCS = \
 	onexit.c \
 	process.c \
 	scanf.c \
+	sincos.c \
 	string.c \
 	thread.c \
 	time.c \

dlls/msvcr90/Makefile.in

@@ -33,6 +33,7 @@ C_SRCS = \
 	onexit.c \
 	process.c \
 	scanf.c \
+	sincos.c \
 	string.c \
 	thread.c \
 	time.c \

dlls/msvcrt/Makefile.in

@@ -38,6 +38,7 @@ C_SRCS = \
 	process.c \
 	scanf.c \
 	scheduler.c \
+	sincos.c \
 	string.c \
 	thread.c \
 	time.c \

dlls/msvcrt/sincos.c

+/*
+ * sincos implementation
+ *
+ * Copyright 2021 Jacek Caban for CodeWeavers
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#if 0
+#pragma makedep implib
+#endif
+
+#include <math.h>
+
+/* GCC may optimize a pair of sin(), cos() calls to a single sincos() call,
+ * which is not exported by any msvcrt version. */
+
+void sincos(double x, double *s, double *c)
+{
+    *s = sin(x);
+    *c = cos(x);
+}
+
+void sincosf(float x, float *s, float *c)
+{
+    *s = sinf(x);
+    *c = cosf(x);
+}

dlls/ucrtbase/Makefile.in

@@ -37,6 +37,7 @@ C_SRCS = \
 	printf.c \
 	process.c \
 	scanf.c \
+	sincos.c \
 	string.c \
 	thread.c \
 	time.c \