Single Class Reference

#include <Numeric.h>

Public Member Functions
	Single (float _f)
String	toString () const

Static Public Member Functions
static String	toString (float _f, const wchar_t *_format)
static float	parse (const wchar_t *_number) __DCL_THROWS1(NumericConvertException *)
static float	parse (const wchar_t *_number, float _default)
static ByteString	toByteString (float _f, const char *_format)

Public Attributes
float	__f

Detailed Description

Definition at line 165 of file Numeric.h.

Constructor & Destructor Documentation

Single()

Single::Single ( float _f )

inline

Definition at line 136 of file Numeric.inl.

{
    __f = _f;
}

Member Function Documentation

parse() [1/2]

float Single::parse ( const wchar_t * _number )

static

Definition at line 740 of file Numeric.cpp.

{
    __DCL_ASSERT(_number != NULL);
 
    if (*_number == __T('\0') || iswspace((wint_t)*_number)) {
        throw new NumericConvertException(_number, 0, 0);
    }
 
    NumericConvertException::Error error = NumericConvertException::NoError;
    errno = 0;
    wchar_t* endptr = NULL;
    float n = wcstof(_number, &endptr);
    if (errno == ERANGE) {
        if (+HUGE_VALF == n || -HUGE_VALF == n) {
            error = NumericConvertException::Overflow;
        }
        else if (!(FLT_MIN < n)) {
            error = NumericConvertException::Underflow;
        }
    }
 
    if (NumericConvertException::NoError != error) {
        throw new NumericConvertException(
            error,
            _number,
            0
        );
    }
 
    if ((endptr && *endptr != '\0') || errno == EINVAL) {
        throw new NumericConvertException(
            _number,
            0,
            endptr ? (endptr - _number) : 0
        );
    }
 
    return (float) n;
}

parse() [2/2]

float Single::parse ( const wchar_t * _number, float _default )

static

Definition at line 781 of file Numeric.cpp.

{
    __DCL_ASSERT(_number != NULL);
 
    if (*_number == __T('\0') || iswspace((wint_t)*_number)) {
        return _default;
    }
 
    NumericConvertException::Error error = NumericConvertException::NoError;
    errno = 0;
    wchar_t* endptr = NULL;
    float n = wcstof(_number, &endptr);
    if (errno == ERANGE) {
        if (+HUGE_VALF == n || -HUGE_VALF == n) {
            error = NumericConvertException::Overflow;
        }
        else if (!(FLT_MIN < n)) {
            error = NumericConvertException::Underflow;
        }
    }
 
    if (NumericConvertException::NoError != error) {
        return _default;
    }
 
    if ((endptr && *endptr != '\0') || errno == EINVAL) {
        return _default;
    }
 
    return (float) n;
}

toByteString()

ByteString Single::toByteString ( float _f, const char * _format )

static

Definition at line 813 of file Numeric.cpp.

{
    if (!_format)
        _format = "%.8g";
 
    __DCL_ASSERT(*_format != '\0');
 
    return ByteString::format(_format, _f);
}

toString() [1/2]

String Single::toString ( ) const

inline

Definition at line 141 of file Numeric.inl.

{
    return Single::toString(__f, NULL);
}

toString() [2/2]

String Single::toString ( float _f, const wchar_t * _format )

static

Definition at line 730 of file Numeric.cpp.

{
    if (!_format)
        _format = __T("%.8g");
 
    __DCL_ASSERT(*_format != '\0');
 
    return String::format(_format, _f);
}

Member Data Documentation

__f

float Single::__f

Definition at line 168 of file Numeric.h.

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The documentation for this class was generated from the following files:

• Numeric.h
• Numeric.inl
• Numeric.cpp