Import X server from vnc-3.3.7.

[rdpsrv] / Xserver / programs / Xserver / mi / cbrt.c

diff --git a/Xserver/programs/Xserver/mi/cbrt.c b/Xserver/programs/Xserver/mi/cbrt.c
new file mode 100644 (file)
index 0000000..06d8dfb
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+++ b/Xserver/programs/Xserver/mi/cbrt.c
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+/* $XConsortium: cbrt.c,v 1.2 94/04/17 20:27:10 dpw Exp $ */
+/* $XFree86: xc/programs/Xserver/mi/cbrt.c,v 3.0 1994/04/29 14:11:16 dawes Exp $ */
+/*
+
+Copyright (c) 1990  X Consortium
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR
+OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of the X Consortium shall
+not be used in advertising or otherwise to promote the sale, use or
+other dealings in this Software without prior written authorization
+from the X Consortium.
+
+*/
+
+/* simple cbrt, in case your math library doesn't have a good one */
+
+double pow();
+
+double
+cbrt(x)
+    double x;
+{
+    if (x > 0.0)
+       return pow(x, 1.0/3.0);
+    else
+       return -pow(-x, 1.0/3.0);
+}