2nd/10_Wiki/Dev/Topic_CPP/CPP_Function_RealLife.md

id, title, category, status, verification_status, canonical_id, aliases, duplicate_of, source_trust_level, confidence_score, created_at, updated_at, review_reason, merge_history, tags, raw_sources, applied_in, github_commit

id	title	category	status	verification_status	canonical_id	aliases	duplicate_of	source_trust_level	confidence_score	created_at	updated_at	review_reason	merge_history	tags	raw_sources	applied_in	github_commit
cpp-function-reallife	C++ Function Examples	Programming_Language	draft	conceptual		fahrenheit to celsius C++ 함수 실전 예제		B	0.81	2026-07-04	2026-07-04			cpp programming-language w3schools functions real-life-example	https://www.w3schools.com/cpp/cpp_function_reallife.asp

CPP Function Examples

🎯 한 줄 통찰 (One-line insight)

The identical Fahrenheit-to-Celsius conversion example from C reappears in C++ unchanged, right down to the same formula and variable names — confirming that a pure computational function (no strings, no OOP, no C++-specific features) transfers between the two languages with essentially zero adaptation beyond cout << replacing printf(). [S1]

🧠 핵심 개념 (Core concepts)

• A function encapsulating one formula — toCelsius(fahrenheit) hides the (5.0/9.0) * (fahrenheit - 32.0) computation behind a clear name. [S1]
• Reused pattern from C — identical structure to C's Fahrenheit/Celsius example. [S1]

📖 세부 내용 (Details)

• The conversion function and its usage: float toCelsius(float fahrenheit) { return (5.0 / 9.0) * (fahrenheit - 32.0); } float f_value = 98.8; float result = toCelsius(f_value);. [S1]

⚖️ 모순 및 업데이트 (Contradictions & updates)

• 현재까지 발견된 모순 사항 없음 (No contradictions found in available sources). C 챕터와 완전히 동일한 예제임이 확인됨.

🛠️ 적용 사례 (Applied in summary)

화씨를 섭씨로 변환하는 toCelsius() 함수가 원문에서 직접 실전 활용 사례로 제시됨. [S1]

💻 코드 패턴 (Code patterns)

A function encapsulating the Fahrenheit-to-Celsius formula (C++):

float toCelsius(float fahrenheit) {
  return (5.0 / 9.0) * (fahrenheit - 32.0);
}
int main() {
  float f_value = 98.8;
  float result = toCelsius(f_value);
  cout << "Convert Fahrenheit to Celsius: " << result << "\n";
  return 0;
}

✅ 검증 상태 및 신뢰도

• 상태: draft
• 검증 단계: conceptual
• 출처 신뢰도: B (W3Schools — widely used educational reference, not a primary standards body)
• 신뢰 점수: 0.81
• 중복 검사 결과: 신규 생성 (New discovery)

🔗 지식 그래프 (Knowledge Graph)

• 상위/루트: C++ Tutorial
• 관련 개념: CPP Function Return, CPP Function Array, C Functions Parameters
• 참조 맥락: 함수 실전 예제 — 배열을 함수로 전달하기(Function Array) 챕터로 이어짐.

📚 출처 (Sources)

• [S1] W3Schools — C++ Function Examples — https://www.w3schools.com/cpp/cpp_function_reallife.asp

📝 변경 이력 (Change history)

• 2026-07-04: Initial draft synthesized from the W3Schools "C++ Function Examples" page (Astra wiki-curation, P-Reinforce v3.1 format).