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Add macro definitions to the tests

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Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
This commit is contained in:
Gabor Mezei 2022-08-03 12:59:57 +02:00 committed by Janos Follath
parent 6666914b76
commit a200f6f855
1 changed files with 10 additions and 0 deletions
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10
tests/suites/test_suite_mpi.function
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@ -11,6 +11,16 @@
#define MPI_MAX_BITS_LARGER_THAN_792 #define MPI_MAX_BITS_LARGER_THAN_792
#endif #endif
#define ciL (sizeof(mbedtls_mpi_uint)) /* chars in limb */
#define biL (ciL << 3) /* bits in limb */
/*
* Convert between bits/chars and number of limbs
* Divide first in order to avoid potential overflows
*/
#define BITS_TO_LIMBS(i) ( (i) / biL + ( (i) % biL != 0 ) )
#define CHARS_TO_LIMBS(i) ( (i) / ciL + ( (i) % ciL != 0 ) )
/* Check the validity of the sign bit in an MPI object. Reject representations /* Check the validity of the sign bit in an MPI object. Reject representations
* that are not supported by the rest of the library and indicate a bug when * that are not supported by the rest of the library and indicate a bug when
* constructing the value. */ * constructing the value. */