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-rw-r--r--zahl.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/zahl.h b/zahl.h
index 3816411..9879326 100644
--- a/zahl.h
+++ b/zahl.h
@@ -92,6 +92,7 @@ void zxor(z_t, z_t, z_t); /* a := b ^ c */
void znot(z_t, z_t); /* a := ~b */
void zlsh(z_t, z_t, size_t); /* a := b << c */
void zrsh(z_t, z_t, size_t); /* a := b >> c */
+void ztrunc(z_t, z_t, size_t); /* a := b & ((1 << c) - 1) */
int zbtest(z_t, size_t); /* (a >> b) & 1 */
void zsplit(z_t, z_t, z_t, size_t); /* a := c >> d, b := c - (a << d) */
size_t zbits(z_t); /* ⌊log₂ |a|⌋ + 1, 1 if a = 0 */