1 files changed, 0 insertions, 102 deletions
diff --git a/lib/liboqs/src/sig/dilithium/pqcrystals-dilithium_dilithium5_ref/rounding.c b/lib/liboqs/src/sig/dilithium/pqcrystals-dilithium_dilithium5_ref/rounding.c
deleted file mode 100644
index 889f0a296..000000000
--- a/lib/liboqs/src/sig/dilithium/pqcrystals-dilithium_dilithium5_ref/rounding.c
+++ /dev/null
@@ -1,102 +0,0 @@
-#include <stdint.h>
-#include "params.h"
-#include "rounding.h"
-
-/*************************************************
-* Name:        power2round
-*
-* Description: For finite field element a, compute a0, a1 such that
-*              a mod^+ Q = a1*2^D + a0 with -2^{D-1} < a0 <= 2^{D-1}.
-*              Assumes a to be standard representative.
-*
-* Arguments:   - int32_t a: input element
-*              - int32_t *a0: pointer to output element a0
-*
-* Returns a1.
-**************************************************/
-int32_t power2round(int32_t *a0, int32_t a)  {
-  int32_t a1;
-
-  a1 = (a + (1 << (D-1)) - 1) >> D;
-  *a0 = a - (a1 << D);
-  return a1;
-}
-
-/*************************************************
-* Name:        decompose
-*
-* Description: For finite field element a, compute high and low bits a0, a1 such
-*              that a mod^+ Q = a1*ALPHA + a0 with -ALPHA/2 < a0 <= ALPHA/2 except
-*              if a1 = (Q-1)/ALPHA where we set a1 = 0 and
-*              -ALPHA/2 <= a0 = a mod^+ Q - Q < 0. Assumes a to be standard
-*              representative.
-*
-* Arguments:   - int32_t a: input element
-*              - int32_t *a0: pointer to output element a0
-*
-* Returns a1.
-**************************************************/
-int32_t decompose(int32_t *a0, int32_t a) {
-  int32_t a1;
-
-  a1  = (a + 127) >> 7;
-#if GAMMA2 == (Q-1)/32
-  a1  = (a1*1025 + (1 << 21)) >> 22;
-  a1 &= 15;
-#elif GAMMA2 == (Q-1)/88
-  a1  = (a1*11275 + (1 << 23)) >> 24;
-  a1 ^= ((43 - a1) >> 31) & a1;
-#endif
-
-  *a0  = a - a1*2*GAMMA2;
-  *a0 -= (((Q-1)/2 - *a0) >> 31) & Q;
-  return a1;
-}
-
-/*************************************************
-* Name:        make_hint
-*
-* Description: Compute hint bit indicating whether the low bits of the
-*              input element overflow into the high bits.
-*
-* Arguments:   - int32_t a0: low bits of input element
-*              - int32_t a1: high bits of input element
-*
-* Returns 1 if overflow.
-**************************************************/
-unsigned int make_hint(int32_t a0, int32_t a1) {
-  if(a0 > GAMMA2 || a0 < -GAMMA2 || (a0 == -GAMMA2 && a1 != 0))
-    return 1;
-
-  return 0;
-}
-
-/*************************************************
-* Name:        use_hint
-*
-* Description: Correct high bits according to hint.
-*
-* Arguments:   - int32_t a: input element
-*              - unsigned int hint: hint bit
-*
-* Returns corrected high bits.
-**************************************************/
-int32_t use_hint(int32_t a, unsigned int hint) {
-  int32_t a0, a1;
-
-  a1 = decompose(&a0, a);
-  if(hint == 0)
-    return a1;
-
-#if GAMMA2 == (Q-1)/32
-  if(a0 > 0)
-    return (a1 + 1) & 15;
-  else
-    return (a1 - 1) & 15;
-#elif GAMMA2 == (Q-1)/88
-  if(a0 > 0)
-    return (a1 == 43) ?  0 : a1 + 1;
-  else
-    return (a1 ==  0) ? 43 : a1 - 1;
-#endif
-}