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-rw-r--r--src/complex/catanh.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/complex/catanh.c b/src/complex/catanh.c
index c324c7f2..e790ce9e 100644
--- a/src/complex/catanh.c
+++ b/src/complex/catanh.c
@@ -7,3 +7,11 @@ double complex catanh(double complex z)
z = catan(CMPLX(-cimag(z), creal(z)));
return CMPLX(cimag(z), -creal(z));
}
+
+
+#ifdef TEST
+int
+main(void) {
+ return 0;
+}
+#endif