24#ifndef INCLUDED_RTL_MATH_HXX
25#define INCLUDED_RTL_MATH_HXX
176#ifdef LIBO_INTERNAL_ONLY
213#ifdef LIBO_INTERNAL_ONLY
338 return (
x < 0.0 ? -
x :
x)
339 < ((
a < 0.0 ? -
a :
a) * (1.0 / (
pow(2.0,
nPrec))));
439 md.w32_parts.msw =
bNegative ? 0xFFF00000 : 0x7FF00000;
440 md.w32_parts.lsw = 0;
453 md.w32_parts.msw = 0x7FFFFFFF;
454 md.w32_parts.lsw = 0xFFFFFFFF;
470 <= (
static_cast< double >(
static_cast< unsigned long >(0x80000000))
471 *
static_cast< double >(
static_cast< unsigned long >(0x80000000))
sal_uInt16 sal_Unicode
Definition types.h:123
SAL_DLLPUBLIC double rtl_math_erf(double fValue) SAL_THROW_EXTERN_C()
Returns values of the Errorfunction erf.
rtl_math_RoundingMode
Rounding modes for rtl_math_round.
Definition math.h:105
@ rtl_math_RoundingMode_Corrected
Like HalfUp, but corrects roundoff errors, preferred.
Definition math.h:108
rtl_math_ConversionStatus
Status for rtl_math_stringToDouble and rtl_math_uStringToDouble.
Definition math.h:88
SAL_DLLPUBLIC double rtl_math_round(double fValue, int nDecPlaces, enum rtl_math_RoundingMode eMode) SAL_THROW_EXTERN_C()
Rounds a double value.
SAL_DLLPUBLIC void rtl_math_doubleToUString(rtl_uString **pResult, sal_Int32 *pResultCapacity, sal_Int32 nResultOffset, double fValue, enum rtl_math_StringFormat eFormat, sal_Int32 nDecPlaces, sal_Unicode cDecSeparator, sal_Int32 const *pGroups, sal_Unicode cGroupSeparator, sal_Bool bEraseTrailingDecZeros) SAL_THROW_EXTERN_C()
Conversions analogous to sprintf() using internal rounding.
rtl_math_StringFormat
Formatting modes for rtl_math_doubleToString and rtl_math_doubleToUString and rtl_math_doubleToUStrin...
Definition math.h:41
SAL_DLLPUBLIC double rtl_math_asinh(double fValue) SAL_THROW_EXTERN_C()
Returns values of the inverse hyperbolic sine.
SAL_DLLPUBLIC void rtl_math_doubleToString(rtl_String **pResult, sal_Int32 *pResultCapacity, sal_Int32 nResultOffset, double fValue, enum rtl_math_StringFormat eFormat, sal_Int32 nDecPlaces, char cDecSeparator, sal_Int32 const *pGroups, char cGroupSeparator, sal_Bool bEraseTrailingDecZeros) SAL_THROW_EXTERN_C()
Conversions analogous to sprintf() using internal rounding.
SAL_DLLPUBLIC double rtl_math_erfc(double fValue) SAL_THROW_EXTERN_C()
Returns values of the complement Errorfunction erfc.
SAL_DLLPUBLIC double rtl_math_atanh(double fValue) SAL_THROW_EXTERN_C()
Returns more accurate atanh(x) for x near 0 than calculating 0.5*log((1+x)/(1-x)).
SAL_DLLPUBLIC double rtl_math_approxValue(double fValue) SAL_THROW_EXTERN_C()
Rounds value to 15 significant decimal digits.
SAL_DLLPUBLIC bool rtl_math_approxEqual(double a, double b) SAL_THROW_EXTERN_C()
Test equality of two values with an accuracy of the magnitude of the given values scaled by 2^-48 (4 ...
SAL_DLLPUBLIC double rtl_math_stringToDouble(char const *pBegin, char const *pEnd, char cDecSeparator, char cGroupSeparator, enum rtl_math_ConversionStatus *pStatus, char const **pParsedEnd) SAL_THROW_EXTERN_C()
Conversion analogous to strtod(), convert a string representing a decimal number into a double value.
SAL_DLLPUBLIC double rtl_math_pow10Exp(double fValue, int nExp) SAL_THROW_EXTERN_C()
Scales fVal to a power of 10 without calling pow() or div() for nExp values between -16 and +16,...
SAL_DLLPUBLIC double rtl_math_log1p(double fValue) SAL_THROW_EXTERN_C()
Returns more accurate log(1+x) for x near 0 than calculating directly.
SAL_DLLPUBLIC double rtl_math_acosh(double fValue) SAL_THROW_EXTERN_C()
Returns values of the inverse hyperbolic cosine.
SAL_DLLPUBLIC double rtl_math_expm1(double fValue) SAL_THROW_EXTERN_C()
Returns more accurate e^x-1 for x near 0 than calculating directly.
SAL_DLLPUBLIC double rtl_math_uStringToDouble(sal_Unicode const *pBegin, sal_Unicode const *pEnd, sal_Unicode cDecSeparator, sal_Unicode cGroupSeparator, enum rtl_math_ConversionStatus *pStatus, sal_Unicode const **pParsedEnd) SAL_THROW_EXTERN_C()
Conversion analogous to strtod(), convert a string representing a decimal number into a double value.
Definition bootstrap.hxx:34
bool approxEqual(double a, double b)
A wrapper around rtl_math_approxEqual.
Definition math.hxx:323
double approxAdd(double a, double b)
Add two values.
Definition math.hxx:352
bool isNan(double d)
Test on any QNAN or SNAN.
Definition math.hxx:414
double sin(double d)
Safe sin(), returns NAN if not valid.
Definition math.hxx:477
double log1p(double fValue)
A wrapper around rtl_math_log1p.
Definition math.hxx:281
double erf(double fValue)
A wrapper around rtl_math_erf.
Definition math.hxx:295
double approxSub(double a, double b)
Subtract two values (a-b).
Definition math.hxx:365
double stringToDouble(rtl::OString const &rString, char cDecSeparator, char cGroupSeparator, rtl_math_ConversionStatus *pStatus=NULL, sal_Int32 *pParsedEnd=NULL)
A wrapper around rtl_math_stringToDouble.
Definition math.hxx:193
double approxFloor(double a)
floor() method taking approxValue() into account.
Definition math.hxx:376
double asinh(double fValue)
A wrapper around rtl_math_asinh.
Definition math.hxx:309
bool isValidArcArg(double d)
If a value is a valid argument for sin(), cos(), tan().
Definition math.hxx:467
void setNan(double *pd)
Set a QNAN.
Definition math.hxx:446
double expm1(double fValue)
A wrapper around rtl_math_expm1.
Definition math.hxx:274
rtl::OString doubleToString(double fValue, rtl_math_StringFormat eFormat, sal_Int32 nDecPlaces, char cDecSeparator, sal_Int32 const *pGroups, char cGroupSeparator, bool bEraseTrailingDecZeros=false)
A wrapper around rtl_math_doubleToString.
Definition math.hxx:44
void doubleToUStringBuffer(rtl::OUStringBuffer &rBuffer, double fValue, rtl_math_StringFormat eFormat, sal_Int32 nDecPlaces, sal_Unicode cDecSeparator, sal_Int32 const *pGroups, sal_Unicode cGroupSeparator, bool bEraseTrailingDecZeros=false)
A wrapper around rtl_math_doubleToUString that appends to an rtl::OUStringBuffer.
Definition math.hxx:141
rtl::OUString doubleToUString(double fValue, rtl_math_StringFormat eFormat, sal_Int32 nDecPlaces, sal_Unicode cDecSeparator, sal_Int32 const *pGroups, sal_Unicode cGroupSeparator, bool bEraseTrailingDecZeros=false)
A wrapper around rtl_math_doubleToUString.
Definition math.hxx:109
double round(double fValue, int nDecPlaces=0, rtl_math_RoundingMode eMode=rtl_math_RoundingMode_Corrected)
A wrapper around rtl_math_round.
Definition math.hxx:251
bool isInf(double d)
If a value represents +INF or -INF.
Definition math.hxx:403
double erfc(double fValue)
A wrapper around rtl_math_erfc.
Definition math.hxx:302
double approxValue(double fValue)
A wrapper around rtl_math_approxValue.
Definition math.hxx:267
void doubleToStringBuffer(rtl::OStringBuffer &rBuffer, double fValue, rtl_math_StringFormat eFormat, sal_Int32 nDecPlaces, char cDecSeparator, sal_Int32 const *pGroups, char cGroupSeparator, bool bEraseTrailingDecZeros=false)
A wrapper around rtl_math_doubleToString that appends to an rtl::OStringBuffer.
Definition math.hxx:76
double atanh(double fValue)
A wrapper around rtl_math_atanh.
Definition math.hxx:288
bool isSignBitSet(double d)
If the sign bit is set.
Definition math.hxx:425
void setInf(double *pd, bool bNegative)
Set to +INF if bNegative==false or -INF if bNegative==true.
Definition math.hxx:432
double tan(double d)
Safe tan(), returns NAN if not valid.
Definition math.hxx:497
double acosh(double fValue)
A wrapper around rtl_math_acosh.
Definition math.hxx:316
double pow10Exp(double fValue, int nExp)
A wrapper around rtl_math_pow10Exp.
Definition math.hxx:260
bool isFinite(double d)
Tests whether a value is neither INF nor NAN.
Definition math.hxx:392
double approxCeil(double a)
ceil() method taking approxValue() into account.
Definition math.hxx:385
double cos(double d)
Safe cos(), returns NAN if not valid.
Definition math.hxx:487
Template reference class for reference type.
Definition ref.hxx:46
A string buffer implements a mutable sequence of characters.
Definition strbuf.hxx:72
This String class provide base functionality for C++ like 8-Bit character array handling.
Definition string.hxx:217
A string buffer implements a mutable sequence of characters.
Definition ustrbuf.hxx:73
This String class provides base functionality for C++ like Unicode character array handling.
Definition ustring.hxx:206