/src/arduinojson/src/ArduinoJson/Numbers/arithmeticCompare.hpp

Source
// ArduinoJson - https://arduinojson.org
// Copyright © 2014-2025, Benoit BLANCHON
// MIT License

#pragma once

#include <ArduinoJson/Numbers/JsonInteger.hpp>
#include <ArduinoJson/Polyfills/type_traits.hpp>

ARDUINOJSON_BEGIN_PRIVATE_NAMESPACE

enum CompareResult {
  COMPARE_RESULT_DIFFER = 0,
  COMPARE_RESULT_EQUAL = 1,
  COMPARE_RESULT_GREATER = 2,
  COMPARE_RESULT_LESS = 4,

  COMPARE_RESULT_GREATER_OR_EQUAL = 3,
  COMPARE_RESULT_LESS_OR_EQUAL = 5
};

template <typename T>
CompareResult arithmeticCompare(const T& lhs, const T& rhs) {
  if (lhs < rhs)
    return COMPARE_RESULT_LESS;
  else if (lhs > rhs)
    return COMPARE_RESULT_GREATER;
  else
    return COMPARE_RESULT_EQUAL;
}

template <typename T1, typename T2>
CompareResult arithmeticCompare(
    const T1& lhs, const T2& rhs,
    enable_if_t<is_integral<T1>::value && is_integral<T2>::value &&
                sizeof(T1) < sizeof(T2)>* = 0) {
  return arithmeticCompare<T2>(static_cast<T2>(lhs), rhs);
}

template <typename T1, typename T2>
CompareResult arithmeticCompare(
    const T1& lhs, const T2& rhs,
    enable_if_t<is_integral<T1>::value && is_integral<T2>::value &&
                sizeof(T2) < sizeof(T1)>* = 0) {
  return arithmeticCompare<T1>(lhs, static_cast<T1>(rhs));
}

template <typename T1, typename T2>
CompareResult arithmeticCompare(
    const T1& lhs, const T2& rhs,
    enable_if_t<is_integral<T1>::value && is_integral<T2>::value &&
                is_signed<T1>::value == is_signed<T2>::value &&
                sizeof(T2) == sizeof(T1)>* = 0) {
  return arithmeticCompare<T1>(lhs, static_cast<T1>(rhs));
}

template <typename T1, typename T2>
CompareResult arithmeticCompare(
    const T1& lhs, const T2& rhs,
    enable_if_t<is_integral<T1>::value && is_integral<T2>::value &&
                is_unsigned<T1>::value && is_signed<T2>::value &&
                sizeof(T2) == sizeof(T1)>* = 0) {
  if (rhs < 0)
    return COMPARE_RESULT_GREATER;
  return arithmeticCompare<T1>(lhs, static_cast<T1>(rhs));
}

template <typename T1, typename T2>
CompareResult arithmeticCompare(
    const T1& lhs, const T2& rhs,
    enable_if_t<is_integral<T1>::value && is_integral<T2>::value &&
                is_signed<T1>::value && is_unsigned<T2>::value &&
                sizeof(T2) == sizeof(T1)>* = 0) {
  if (lhs < 0)
    return COMPARE_RESULT_LESS;
  return arithmeticCompare<T2>(static_cast<T2>(lhs), rhs);
}

template <typename T1, typename T2>
CompareResult arithmeticCompare(
    const T1& lhs, const T2& rhs,
    enable_if_t<is_floating_point<T1>::value || is_floating_point<T2>::value>* =
        0) {
  return arithmeticCompare<double>(static_cast<double>(lhs),
                                   static_cast<double>(rhs));
}

template <typename T2>
CompareResult arithmeticCompareNegateLeft(
    JsonUInt, const T2&, enable_if_t<is_unsigned<T2>::value>* = 0) {
  return COMPARE_RESULT_LESS;
}

template <typename T2>
CompareResult arithmeticCompareNegateLeft(
    JsonUInt lhs, const T2& rhs, enable_if_t<is_signed<T2>::value>* = 0) {
  if (rhs > 0)
    return COMPARE_RESULT_LESS;
  return arithmeticCompare(-rhs, static_cast<T2>(lhs));
}

template <typename T1>
CompareResult arithmeticCompareNegateRight(
    const T1&, JsonUInt, enable_if_t<is_unsigned<T1>::value>* = 0) {
  return COMPARE_RESULT_GREATER;
}

template <typename T1>
CompareResult arithmeticCompareNegateRight(
    const T1& lhs, JsonUInt rhs, enable_if_t<is_signed<T1>::value>* = 0) {
  if (lhs > 0)
    return COMPARE_RESULT_GREATER;
  return arithmeticCompare(static_cast<T1>(rhs), -lhs);
}

ARDUINOJSON_END_PRIVATE_NAMESPACE

Line	Count	Source
1		// ArduinoJson - https://arduinojson.org
2		// Copyright © 2014-2025, Benoit BLANCHON
3		// MIT License
4
5		#pragma once
6
7		#include <ArduinoJson/Numbers/JsonInteger.hpp>
8		#include <ArduinoJson/Polyfills/type_traits.hpp>
9
10		ARDUINOJSON_BEGIN_PRIVATE_NAMESPACE
11
12		enum CompareResult {
13		COMPARE_RESULT_DIFFER = 0,
14		COMPARE_RESULT_EQUAL = 1,
15		COMPARE_RESULT_GREATER = 2,
16		COMPARE_RESULT_LESS = 4,
17
18		COMPARE_RESULT_GREATER_OR_EQUAL = 3,
19		COMPARE_RESULT_LESS_OR_EQUAL = 5
20		};
21
22		template <typename T>
23	0	CompareResult arithmeticCompare(const T& lhs, const T& rhs) {
24	0	if (lhs < rhs)
25	0	return COMPARE_RESULT_LESS;
26	0	else if (lhs > rhs)
27	0	return COMPARE_RESULT_GREATER;
28	0	else
29	0	return COMPARE_RESULT_EQUAL;
30	0	} Unexecuted instantiation: ArduinoJson::V742HB42::detail::CompareResult ArduinoJson::V742HB42::detail::arithmeticCompare<double>(double const&, double const&) Unexecuted instantiation: ArduinoJson::V742HB42::detail::CompareResult ArduinoJson::V742HB42::detail::arithmeticCompare<long>(long const&, long const&) Unexecuted instantiation: ArduinoJson::V742HB42::detail::CompareResult ArduinoJson::V742HB42::detail::arithmeticCompare<unsigned long>(unsigned long const&, unsigned long const&) Unexecuted instantiation: ArduinoJson::V742HB42::detail::CompareResult ArduinoJson::V742HB42::detail::arithmeticCompare<bool>(bool const&, bool const&)
31
32		template <typename T1, typename T2>
33		CompareResult arithmeticCompare(
34		const T1& lhs, const T2& rhs,
35		enable_if_t<is_integral<T1>::value && is_integral<T2>::value &&
36	0	sizeof(T1) < sizeof(T2)>* = 0) {
37	0	return arithmeticCompare<T2>(static_cast<T2>(lhs), rhs);
38	0	} Unexecuted instantiation: _ZN11ArduinoJson8V742HB426detail17arithmeticCompareIblEENS1_13CompareResultERKT_RKT0_PNS1_9enable_ifIXaaaasr11is_integralIS4_EE5valuesr11is_integralIS7_EE5valueltstS4_stS7_EvE4typeE Unexecuted instantiation: _ZN11ArduinoJson8V742HB426detail17arithmeticCompareIbmEENS1_13CompareResultERKT_RKT0_PNS1_9enable_ifIXaaaasr11is_integralIS4_EE5valuesr11is_integralIS7_EE5valueltstS4_stS7_EvE4typeE
39
40		template <typename T1, typename T2>
41		CompareResult arithmeticCompare(
42		const T1& lhs, const T2& rhs,
43		enable_if_t<is_integral<T1>::value && is_integral<T2>::value &&
44	0	sizeof(T2) < sizeof(T1)>* = 0) {
45	0	return arithmeticCompare<T1>(lhs, static_cast<T1>(rhs));
46	0	} Unexecuted instantiation: _ZN11ArduinoJson8V742HB426detail17arithmeticCompareIlbEENS1_13CompareResultERKT_RKT0_PNS1_9enable_ifIXaaaasr11is_integralIS4_EE5valuesr11is_integralIS7_EE5valueltstS7_stS4_EvE4typeE Unexecuted instantiation: _ZN11ArduinoJson8V742HB426detail17arithmeticCompareImbEENS1_13CompareResultERKT_RKT0_PNS1_9enable_ifIXaaaasr11is_integralIS4_EE5valuesr11is_integralIS7_EE5valueltstS7_stS4_EvE4typeE
47
48		template <typename T1, typename T2>
49		CompareResult arithmeticCompare(
50		const T1& lhs, const T2& rhs,
51		enable_if_t<is_integral<T1>::value && is_integral<T2>::value &&
52		is_signed<T1>::value == is_signed<T2>::value &&
53		sizeof(T2) == sizeof(T1)>* = 0) {
54		return arithmeticCompare<T1>(lhs, static_cast<T1>(rhs));
55		}
56
57		template <typename T1, typename T2>
58		CompareResult arithmeticCompare(
59		const T1& lhs, const T2& rhs,
60		enable_if_t<is_integral<T1>::value && is_integral<T2>::value &&
61		is_unsigned<T1>::value && is_signed<T2>::value &&
62	0	sizeof(T2) == sizeof(T1)>* = 0) {
63	0	if (rhs < 0)
64	0	return COMPARE_RESULT_GREATER;
65	0	return arithmeticCompare<T1>(lhs, static_cast<T1>(rhs));
66	0	}
67
68		template <typename T1, typename T2>
69		CompareResult arithmeticCompare(
70		const T1& lhs, const T2& rhs,
71		enable_if_t<is_integral<T1>::value && is_integral<T2>::value &&
72		is_signed<T1>::value && is_unsigned<T2>::value &&
73	0	sizeof(T2) == sizeof(T1)>* = 0) {
74	0	if (lhs < 0)
75	0	return COMPARE_RESULT_LESS;
76	0	return arithmeticCompare<T2>(static_cast<T2>(lhs), rhs);
77	0	}
78
79		template <typename T1, typename T2>
80		CompareResult arithmeticCompare(
81		const T1& lhs, const T2& rhs,
82		enable_if_t<is_floating_point<T1>::value \|\| is_floating_point<T2>::value>* =
83	0	0) {
84	0	return arithmeticCompare<double>(static_cast<double>(lhs),
85	0	static_cast<double>(rhs));
86	0	} Unexecuted instantiation: _ZN11ArduinoJson8V742HB426detail17arithmeticCompareIfdEENS1_13CompareResultERKT_RKT0_PNS1_9enable_ifIXoosr17is_floating_pointIS4_EE5valuesr17is_floating_pointIS7_EE5valueEvE4typeE Unexecuted instantiation: _ZN11ArduinoJson8V742HB426detail17arithmeticCompareIldEENS1_13CompareResultERKT_RKT0_PNS1_9enable_ifIXoosr17is_floating_pointIS4_EE5valuesr17is_floating_pointIS7_EE5valueEvE4typeE Unexecuted instantiation: _ZN11ArduinoJson8V742HB426detail17arithmeticCompareImdEENS1_13CompareResultERKT_RKT0_PNS1_9enable_ifIXoosr17is_floating_pointIS4_EE5valuesr17is_floating_pointIS7_EE5valueEvE4typeE Unexecuted instantiation: _ZN11ArduinoJson8V742HB426detail17arithmeticCompareIbdEENS1_13CompareResultERKT_RKT0_PNS1_9enable_ifIXoosr17is_floating_pointIS4_EE5valuesr17is_floating_pointIS7_EE5valueEvE4typeE Unexecuted instantiation: _ZN11ArduinoJson8V742HB426detail17arithmeticCompareIflEENS1_13CompareResultERKT_RKT0_PNS1_9enable_ifIXoosr17is_floating_pointIS4_EE5valuesr17is_floating_pointIS7_EE5valueEvE4typeE Unexecuted instantiation: _ZN11ArduinoJson8V742HB426detail17arithmeticCompareIdlEENS1_13CompareResultERKT_RKT0_PNS1_9enable_ifIXoosr17is_floating_pointIS4_EE5valuesr17is_floating_pointIS7_EE5valueEvE4typeE Unexecuted instantiation: _ZN11ArduinoJson8V742HB426detail17arithmeticCompareIfmEENS1_13CompareResultERKT_RKT0_PNS1_9enable_ifIXoosr17is_floating_pointIS4_EE5valuesr17is_floating_pointIS7_EE5valueEvE4typeE Unexecuted instantiation: _ZN11ArduinoJson8V742HB426detail17arithmeticCompareIdmEENS1_13CompareResultERKT_RKT0_PNS1_9enable_ifIXoosr17is_floating_pointIS4_EE5valuesr17is_floating_pointIS7_EE5valueEvE4typeE Unexecuted instantiation: _ZN11ArduinoJson8V742HB426detail17arithmeticCompareIfbEENS1_13CompareResultERKT_RKT0_PNS1_9enable_ifIXoosr17is_floating_pointIS4_EE5valuesr17is_floating_pointIS7_EE5valueEvE4typeE Unexecuted instantiation: _ZN11ArduinoJson8V742HB426detail17arithmeticCompareIdbEENS1_13CompareResultERKT_RKT0_PNS1_9enable_ifIXoosr17is_floating_pointIS4_EE5valuesr17is_floating_pointIS7_EE5valueEvE4typeE
87
88		template <typename T2>
89		CompareResult arithmeticCompareNegateLeft(
90		JsonUInt, const T2&, enable_if_t<is_unsigned<T2>::value>* = 0) {
91		return COMPARE_RESULT_LESS;
92		}
93
94		template <typename T2>
95		CompareResult arithmeticCompareNegateLeft(
96		JsonUInt lhs, const T2& rhs, enable_if_t<is_signed<T2>::value>* = 0) {
97		if (rhs > 0)
98		return COMPARE_RESULT_LESS;
99		return arithmeticCompare(-rhs, static_cast<T2>(lhs));
100		}
101
102		template <typename T1>
103		CompareResult arithmeticCompareNegateRight(
104		const T1&, JsonUInt, enable_if_t<is_unsigned<T1>::value>* = 0) {
105		return COMPARE_RESULT_GREATER;
106		}
107
108		template <typename T1>
109		CompareResult arithmeticCompareNegateRight(
110		const T1& lhs, JsonUInt rhs, enable_if_t<is_signed<T1>::value>* = 0) {
111		if (lhs > 0)
112		return COMPARE_RESULT_GREATER;
113		return arithmeticCompare(static_cast<T1>(rhs), -lhs);
114		}
115
116		ARDUINOJSON_END_PRIVATE_NAMESPACE

Coverage Report

Created: 2026-01-10 06:44