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-rw-r--r--matrix/cukernel.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/matrix/cukernel.h b/matrix/cukernel.h
index 3cad489..b2b6cb2 100644
--- a/matrix/cukernel.h
+++ b/matrix/cukernel.h
@@ -1,5 +1,6 @@
#ifdef NERV_GENERIC_CUKERNEL
void cudak_(cuda_sigmoid)(const Matrix *a, Matrix *b);
+void cudak_(cuda_sigmoid_grad)(const Matrix *output, const Matrix *err, Matrix *nerr);
void cudak_(cuda_rowsum)(const Matrix *a, Matrix *b);
void cudak_(cuda_rowmax)(const Matrix *a, Matrix *b);
void cudak_(cuda_colsum)(const Matrix *a, Matrix *b);