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Added absolute subtract

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This commit is contained in:
Andis Zīle
2024-04-12 11:51:10 +03:00
parent f1edc6e15a
commit 22ac8240a2
2 changed files with 23 additions and 1 deletions
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20
firmware/src/utils/utils.cpp
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@@ -57,7 +57,6 @@ uint16_t util::sat_subtract(uint16_t x, uint16_t y)
if(z > x) return 0;
else return z;
}
uint32_t util::sat_subtract(uint32_t x, uint32_t y)
{
uint32_t z = x - y;
@@ -66,6 +65,25 @@ uint32_t util::sat_subtract(uint32_t x, uint32_t y)
else return z;
}
uint8_t util::abs_subtract(uint8_t x, uint8_t y)
{
if(x > y) return x - y;
else return y-x;
}
uint16_t util::abs_subtract(uint16_t x, uint16_t y)
{
if(x > y) return x - y;
else return y-x;
}
uint32_t util::abs_subtract(uint32_t x, uint32_t y)
{
if(x > y) return x - y;
else return y-x;
}
uint16_t util::sat_cast(uint32_t x)
{
if(x > 0x0000FFFF) return 0xFFFF;