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Diffstat (limited to '')
-rw-r--r-- | third_party/heimdal/lib/hcrypto/libtommath/bn_mp_cmp.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/third_party/heimdal/lib/hcrypto/libtommath/bn_mp_cmp.c b/third_party/heimdal/lib/hcrypto/libtommath/bn_mp_cmp.c new file mode 100644 index 0000000..ced4840 --- /dev/null +++ b/third_party/heimdal/lib/hcrypto/libtommath/bn_mp_cmp.c @@ -0,0 +1,26 @@ +#include "tommath_private.h" +#ifdef BN_MP_CMP_C +/* LibTomMath, multiple-precision integer library -- Tom St Denis */ +/* SPDX-License-Identifier: Unlicense */ + +/* compare two ints (signed)*/ +mp_ord mp_cmp(const mp_int *a, const mp_int *b) +{ + /* compare based on sign */ + if (a->sign != b->sign) { + if (a->sign == MP_NEG) { + return MP_LT; + } else { + return MP_GT; + } + } + + /* compare digits */ + if (a->sign == MP_NEG) { + /* if negative compare opposite direction */ + return mp_cmp_mag(b, a); + } else { + return mp_cmp_mag(a, b); + } +} +#endif |