cx_mldsa_rounding.h

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 *   (c) 2026 Ledger SAS.
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
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 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
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#ifndef CX_MLDSA_ROUNDING_H
#define CX_MLDSA_ROUNDING_H
 
#include "cx_mldsa_poly.h"
#include "lcx_mldsa.h"
 
int32_t MLDSA_ROUNDING_power2round(int32_t a, int32_t *a0);
 
int32_t MLDSA_ROUNDING_decompose(int32_t a, int32_t *a0, int32_t gamma2);
 
uint32_t MLDSA_ROUNDING_make_hint(int32_t a0, int32_t a1, int32_t gamma2);
 
int32_t MLDSA_ROUNDING_use_hint(int32_t a, uint32_t hint, int32_t gamma2);
 
void MLDSA_ROUNDING_poly_power2round(mldsa_poly *a1, mldsa_poly *a0, const mldsa_poly *a);
 
void MLDSA_ROUNDING_poly_decompose(mldsa_poly       *a1,
                                   mldsa_poly       *a0,
                                   const mldsa_poly *a,
                                   int32_t           gamma2);
 
void MLDSA_ROUNDING_poly_use_hint(mldsa_poly       *b,
                                  const mldsa_poly *a,
                                  const mldsa_poly *h,
                                  int32_t           gamma2);
 
#endif /* CX_MLDSA_ROUNDING_H */