updated gpu module docs

doc/gpu.tex

@@ -72,7 +72,7 @@ void split(const GpuMat\& src, vector$<$GpuMat$>$\& dst,\par
 \end{description}
 
 
-\cvfunc{cv::gpu::bitwise\_not}
+\cvfunc{cv::gpu::bitwise\_not}\label{cppfunc.gpu.bitwise.not}
 Performs per-element bitwise inversion.
 
 \cvdefCpp{void bitwise\_not(const GpuMat\& src, GpuMat\& dst,\par
@@ -89,7 +89,7 @@ void bitwise\_not(const GpuMat\& src, GpuMat\& dst,\par
 See also: \hyperref[cppfunc.bitwise.not]{cv::bitwise\_not}.
 
 
-\cvfunc{cv::gpu::bitwise\_or}
+\cvfunc{cv::gpu::bitwise\_or}\label{cppfunc.gpu.bitwise.or}
 Performs per-element bitwise disjunction of two matrixes.
 
 \cvdefCpp{void bitwise\_or(const GpuMat\& src1, const GpuMat\& src2, GpuMat\& dst,\par
@@ -107,7 +107,7 @@ void bitwise\_or(const GpuMat\& src1, const GpuMat\& src2, GpuMat\& dst,\par
 See also: \hyperref[cppfunc.bitwise.or]{cv::bitwise\_or}.
 
 
-\cvfunc{cv::gpu::bitwise\_and}
+\cvfunc{cv::gpu::bitwise\_and}\label{cppfunc.gpu.bitwise.and}
 Performs per-element bitwise conjunction of two matrixes.
 
 \cvdefCpp{void bitwise\_and(const GpuMat\& src1, const GpuMat\& src2, GpuMat\& dst,\par
@@ -125,7 +125,7 @@ void bitwise\_and(const GpuMat\& src1, const GpuMat\& src2, GpuMat\& dst,\par
 See also: \hyperref[cppfunc.bitwise.and]{cv::bitwise\_and}.
 
 
-\cvfunc{cv::gpu::bitwise\_xor}
+\cvfunc{cv::gpu::bitwise\_xor}\label{cppfunc.gpu.bitwise.xor}
 Performs per-element bitwise "exclusive or" of two matrixes.
 
 \cvdefCpp{void bitwise\_xor(const GpuMat\& src1, const GpuMat\& src2, GpuMat\& dst,\par