From 6d9e07fa85103d5de07bdf9eff3fba2a83dfb60c Mon Sep 17 00:00:00 2001
From: Evgeniy Kramsakov <evgeniy.kramsakov@demlabs.net>
Date: Fri, 9 Sep 2022 13:41:29 +0300
Subject: [PATCH] [*] fix decr_128 and add missing decr_256
---
dap-sdk/core/include/dap_math_ops.h | 22 ++++++++++++++++++----
1 file changed, 18 insertions(+), 4 deletions(-)
diff --git a/dap-sdk/core/include/dap_math_ops.h b/dap-sdk/core/include/dap_math_ops.h
index a751eaae99..2171c983c3 100755
--- a/dap-sdk/core/include/dap_math_ops.h
+++ b/dap-sdk/core/include/dap_math_ops.h
@@ -317,11 +317,11 @@ static inline void DECR_128(uint128_t* a_128_bit){
(*a_128_bit)--;
#else
+ if (a_128_bit->lo == 0) {
+ a_128_bit->hi--;
+ }
a_128_bit->lo--;
- if(a_128_bit->hi == 0)
- {
- a_128_bit->hi--;
- }
+
#endif
}
@@ -343,6 +343,20 @@ static inline void INCR_256(uint256_t* a_256_bit){
#endif
}
+static inline void DECR_256(uint256_t* a_256_bit) {
+#ifdef DAP_GLOBAL_IS_INT128
+ if (a_256_bit->lo == 0) {
+ a_256_bit->hi--;
+ }
+ a_256_bit->lo--;
+#else
+ if(EQUAL_128(a_256_bit->lo, uin128_0)) {
+ DECR_128(&a_256_bit->hi);
+ }
+ DECR_128(&a_256_bit->lo);
+#endif
+}
+
static inline int SUM_64_64(uint64_t a_64_bit,uint64_t b_64_bit,uint64_t* c_64_bit )
{
int overflow_flag;
--
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