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types.hpp: implement smin, smax, amin, amax

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Rewritten the following global utility constants:
`umax` returns max number, restricted to unsigned.
`smax` returns max signed number, restricted to integrals.
`smin` returns min signed number, restricted to signed.
`amin` returns smin or zero, less restricted.
`amax` returns smax or umax, less restricted.

Fix operators == and <=> for synthesized rel-ops.
This commit is contained in:
Nekotekina 2021-05-22 10:35:15 +03:00
parent 613777afde
commit 160b131de3
38 changed files with 219 additions and 111 deletions
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3
Utilities/cfmt.h
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@ -1,7 +1,6 @@
#pragma once
#include "util/types.hpp"
#include <climits>
#include <string>
#include <vector>
#include <algorithm>
@ -46,7 +45,7 @@ usz cfmt_append(Dst& out, const Char* fmt, Src&& src)
const auto read_decimal = [&](uint result) -> uint
{
while (fmt[0] >= '0' && fmt[0] <= '9' && result <= (UINT_MAX / 10))
while (fmt[0] >= '0' && fmt[0] <= '9' && result <= (uint{umax} / 10))
{
result = result * 10 + (fmt[0] - '0');
fmt++, ctx.size++;