# Oraset 标准库 - std.oinc
# 使用方法: oraset -i https://oraset.parlz.com/inc/std.oinc

# ==================== 数学函数 ====================

sin(x:double) -> double {
    return std::sin(x);
}

cos(x:double) -> double {
    return std::cos(x);
}

tan(x:double) -> double {
    return std::tan(x);
}

asin(x:double) -> double {
    return std::asin(x);
}

acos(x:double) -> double {
    return std::acos(x);
}

atan(x:double) -> double {
    return std::atan(x);
}

sinh(x:double) -> double {
    return std::sinh(x);
}

cosh(x:double) -> double {
    return std::cosh(x);
}

tanh(x:double) -> double {
    return std::tanh(x);
}

exp(x:double) -> double {
    return std::exp(x);
}

log(x:double) -> double {
    return std::log(x);
}

log10(x:double) -> double {
    return std::log10(x);
}

sqrt(x:double) -> double {
    return std::sqrt(x);
}

pow(base:double, exp:double) -> double {
    return std::pow(base, exp);
}

abs(x:double) -> double {
    return std::abs(x);
}

floor(x:double) -> double {
    return std::floor(x);
}

ceil(x:double) -> double {
    return std::ceil(x);
}

round(x:double) -> double {
    return std::round(x);
}

pi() -> double {
    return M_PI;
}

e() -> double {
    return M_E;
}

# ==================== 字符串函数 ====================

strlen(s:string) -> int {
    return std::strlen(s);
}

strcmp(s1:string, s2:string) -> int {
    return std::strcmp(s1, s2);
}

strstr(haystack:string, needle:string) -> string {
    return (char*)std::strstr(haystack, needle);
}

strtolower(s:string) -> string {
    char* p = s;
    while (*p) {
        *p = std::tolower(*p);
        p++;
    }
    return s;
}

strtoupper(s:string) -> string {
    char* p = s;
    while (*p) {
        *p = std::toupper(*p);
        p++;
    }
    return s;
}

# ==================== 系统函数 ====================

system(cmd:string) -> int {
    return std::system(cmd);
}

exit(code:int) {
    std::exit(code);
}

getenv(name:string, default_val:string) -> string {
    char* val = std::getenv(name);
    return val ? val : default_val;
}

# ==================== 文件操作 ====================

file_exists(filename:string) -> int {
    std::ifstream f(filename);
    return f.good() ? 1 : 0;
}

file_read(filename:string) -> string {
    std::ifstream f(filename);
    std::stringstream buffer;
    buffer << f.rdbuf();
    return buffer.str();
}

file_write(filename:string, content:string) -> int {
    std::ofstream f(filename);
    f << content;
    return f.good() ? 1 : 0;
}

file_append(filename:string, content:string) -> int {
    std::ofstream f(filename, std::ios::app);
    f << content;
    return f.good() ? 1 : 0;
}