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-rw-r--r--src/complex/casin.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/complex/casin.c b/src/complex/casin.c
index 3244bebb..3c936eea 100644
--- a/src/complex/casin.c
+++ b/src/complex/casin.c
@@ -15,3 +15,11 @@ double complex casin(double complex z)
double complex r = clog(CMPLX(-y, x) + csqrt(w));
return CMPLX(cimag(r), -creal(r));
}
+
+
+#ifdef TEST
+int
+main(void) {
+ return 0;
+}
+#endif