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depth: use totally_ordered

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Justin Viiret 2017-03-30 16:57:43 +11:00 committed by Matthew Barr
parent cf82924a39
commit 5d1922327e
1 changed files with 6 additions and 13 deletions
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19
src/util/depth.h
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@ -34,6 +34,7 @@
#define DEPTH_H
#include "ue2common.h"
#include "util/operators.h"
#ifdef DUMP_SUPPORT
#include <string>
@ -52,7 +53,7 @@ struct DepthOverflowError {};
* \brief Type used to represent depth information; value is either a count,
* or the special values "infinity" and "unreachable".
*/
class depth {
class depth : totally_ordered<depth> {
public:
/** \brief The default depth is special value "unreachable". */
depth() = default;
@ -93,11 +94,7 @@ public:
}
bool operator<(const depth &d) const { return val < d.val; }
bool operator>(const depth &d) const { return val > d.val; }
bool operator<=(const depth &d) const { return val <= d.val; }
bool operator>=(const depth &d) const { return val >= d.val; }
bool operator==(const depth &d) const { return val == d.val; }
bool operator!=(const depth &d) const { return val != d.val; }
// The following comparison operators exist for use against integer types
// that are bigger than what we can safely convert to depth (such as those
@ -239,11 +236,11 @@ private:
/**
* \brief Encapsulates a min/max pair.
*/
struct DepthMinMax {
depth min;
depth max;
struct DepthMinMax : totally_ordered<DepthMinMax> {
depth min{depth::infinity()};
depth max{0};
DepthMinMax() : min(depth::infinity()), max(depth(0)) {}
DepthMinMax() = default;
DepthMinMax(const depth &mn, const depth &mx) : min(mn), max(mx) {}
bool operator<(const DepthMinMax &b) const {
@ -257,10 +254,6 @@ struct DepthMinMax {
return min == b.min && max == b.max;
}
bool operator!=(const DepthMinMax &b) const {
return !(*this == b);
}
#ifdef DUMP_SUPPORT
/** \brief Render as a string, useful for debugging. */
std::string str() const;