uclibc: add the trunc function

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@14014 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/toolchain/uClibc/patches/210-trunc.patch b/toolchain/uClibc/patches/210-trunc.patch
new file mode 100644 (file)
index 0000000..18417fb
--- /dev/null
+++ b/toolchain/uClibc/patches/210-trunc.patch
@@ -0,0 +1,21 @@
+--- a/libm/s_floor.c
++++ b/libm/s_floor.c
+@@ -81,3 +81,18 @@ libm_hidden_proto(floor)
+       return x;
+ }
+ libm_hidden_def(floor)
++
++
++libm_hidden_proto(trunc)
++double
++trunc(double x)
++{
++      if (!finite (x))
++              return x;
++
++      if (x < 0.0)
++              return - floor (-x);
++      else
++              return floor (x);
++}
++libm_hidden_def(trunc)