1 files changed, 7 insertions, 0 deletions
diff --git a/lib/pam.h b/lib/pam.h
index 74b20f46..0055858b 100644
--- a/lib/pam.h
+++ b/lib/pam.h
@@ -438,6 +438,13 @@ void
 pnm_writepamn(struct pam * const pamP,
               tuplen **    const tuplenarray);
 
+samplen
+pnm_normalized_sample(struct pam * const pamP,
+                      sample       const sample);
+
+sample
+pnm_unnormalized_sample(struct pam * const pamP,
+                        samplen      const sampleVal);
 
 void
 pnm_normalizetuple(struct pam * const pamP,