format_float()

fl::string fl::printf_detail::format_float ( float value, int precision )

inline

Definition at line 133 of file printf.h.

                                                         {
    if (precision < 0) {
        // Default precision - use StrStream's default behavior
        StrStream stream;
        stream << value;
        return stream.str();
    }
    
    // Simple precision formatting
    // This is a basic implementation - could be enhanced
    if (precision == 0) {
        int int_part = static_cast<int>(value + 0.5f); // Round
        StrStream stream;
        stream << int_part;
        return stream.str();
    }
    
    // For non-zero precision, use basic rounding
    int multiplier = 1;
    for (int i = 0; i < precision; ++i) {
        multiplier *= 10;
    }
    
    int scaled = static_cast<int>(value * multiplier + 0.5f);
    int int_part = scaled / multiplier;
    int frac_part = scaled % multiplier;
    
    StrStream stream;
    stream << int_part;
    stream << ".";
    
    // Pad fractional part with leading zeros if needed
    int temp_multiplier = multiplier / 10;
    while (temp_multiplier > frac_part && temp_multiplier > 1) {
        stream << "0";
        temp_multiplier /= 10;
    }
    if (frac_part > 0) {
        stream << frac_part;
    }
    
    return stream.str();
}

References fl::StrStream::str().

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