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-rw-r--r--src/elementaryFunctions/includes/lnp1m1.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/elementaryFunctions/includes/lnp1m1.h b/src/elementaryFunctions/includes/lnp1m1.h
index c05257eb..e5f37515 100644
--- a/src/elementaryFunctions/includes/lnp1m1.h
+++ b/src/elementaryFunctions/includes/lnp1m1.h
@@ -17,6 +17,9 @@
#include "floatComplex.h"
#include "doubleComplex.h"
+#ifdef __cplusplus
+extern "C" {
+#endif
/*
** Compute v = log ( (1 + s)/(1 - s) ) for different types .
*/
@@ -33,5 +36,11 @@ EXTERN_ELEMFUNCT float slnp1m1s(float in);
*/
EXTERN_ELEMFUNCT double dlnp1m1s(double in);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+
#endif /* !__LNP1M1_H__ */