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-rw-r--r--src/math.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/math.h b/src/math.h
index 13f1795..4dab4a7 100644
--- a/src/math.h
+++ b/src/math.h
@@ -1,2 +1,5 @@
int
+add_size(const size_t x, const size_t y, size_t *const out);
+
+int
mul_size(const size_t x, const size_t y, size_t *const out);