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Code alignment documentation

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Vitor Fernandes 2020-07-16 01:27:09 +01:00
parent 757b73238e
commit 290e3ea85e
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1 changed files with 6 additions and 5 deletions
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11
src/bmath/math.cpp
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@ -20,6 +20,8 @@ inline Int msb(Int value)
* with the help of union and struct trickery. * with the help of union and struct trickery.
* We basically define a new Union datatype named SInt we use the structure int_with_msb as a way to de-structure * We basically define a new Union datatype named SInt we use the structure int_with_msb as a way to de-structure
* the Int sint information. * the Int sint information.
* More on unions
* https://www.geeksforgeeks.org/union-c/
*/ */
inline Int msb2(Int value) inline Int msb2(Int value)
{ {
@ -31,7 +33,6 @@ inline Int msb2(Int value)
} int_with_msb; } int_with_msb;
Int sint; Int sint;
} SInt; } SInt;
SInt sint = {.sint = value}; SInt sint = {.sint = value};
return sint.int_with_msb.signal; return sint.int_with_msb.signal;
}; };
@ -52,13 +53,13 @@ Float BMath::Math<Float>::abs(Float value)
}; };
template <> template <>
Int BMath::Math<Int>::min(Int a,Int b) Int BMath::Math<Int>::min(Int a, Int b)
{ {
return b + ((a-b) & msb2(a-b)); return b + ((a - b) & msb2(a - b));
} }
template <> template <>
Int BMath::Math<Int>::max(Int a,Int b) Int BMath::Math<Int>::max(Int a, Int b)
{ {
return a + ((b-a) & ~msb2(b-a)); return a + ((b - a) & ~msb2(b - a));
} }