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libnum: num abs() and comparison with double

This commit is contained in:
Lephenixnoir 2023-10-27 23:43:23 +02:00
parent 7f104395e0
commit 17e50fc79e
Signed by: Lephenixnoir
GPG Key ID: 1BBA026E13FC0495
1 changed files with 40 additions and 0 deletions
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40
libnum/include/num/num.h
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@ -134,6 +134,9 @@ struct num8
x.v = v;
return x;
}
inline constexpr num8 abs() const {
return *this;
}
/* Comparisons with int */
@ -247,6 +250,11 @@ struct num16
x.v = v & 0xff;
return x;
}
inline constexpr num16 abs() const {
num16 x;
x.v = (v < 0) ? -v : v;
return x;
}
/* Comparisons with int */
@ -365,6 +373,11 @@ struct num32
x.v = v & 0xffff;
return x;
}
inline constexpr num32 abs() const {
num32 x;
x.v = (v < 0) ? -v : v;
return x;
}
num32 sqrt() const;
/* Comparisons with int */
@ -471,6 +484,11 @@ struct num64
x.v = v & 0xffffffffull;
return x;
}
inline constexpr num64 abs() const {
num64 x;
x.v = (v < 0) ? -v : v;
return x;
}
/* Limits as int */
static constexpr int minInt = 0;
@ -621,6 +639,28 @@ inline constexpr T operator/(T const &x, int n) {
return r;
}
/* Comparison with double */
template<typename T> requires(is_num<T>)
inline constexpr bool operator<(T const &x, double const &y) {
return x < T(y);
}
template<typename T> requires(is_num<T>)
inline constexpr bool operator>=(T const &x, double const &y) {
return x >= T(y);
}
template<typename T> requires(is_num<T>)
inline constexpr bool operator<=(T const &x, double const &y) {
return x <= T(y);
}
template<typename T> requires(is_num<T>)
inline constexpr bool operator>(T const &x, double const &y) {
return x > T(y);
}
/* Other specific operations */
inline constexpr num32 num16::dmul(num16 const &x, num16 const &y)