GOffice Reference Manual: Mathematics

Functions

double	acosh ()
double	asinh ()
double	atanh ()
double	expm1 ()
long double	frexpl ()
double	go_add_epsilon ()
long double	go_add_epsilonl ()
double	go_ascii_strtod ()
long double	go_ascii_strtold ()
void	go_continued_fraction ()
double	go_fake_ceil ()
long double	go_fake_ceill ()
double	go_fake_floor ()
long double	go_fake_floorl ()
double	go_fake_round ()
long double	go_fake_roundl ()
double	go_fake_trunc ()
long double	go_fake_truncl ()
int	go_finite ()
int	go_finitel ()
double	go_pow10 ()
long double	go_pow10l ()
double	go_pow2 ()
long double	go_pow2l ()
double	go_rint ()
void	go_stern_brocot ()
double	go_strtod ()
long double	go_strtold ()
double	go_sub_epsilon ()
long double	go_sub_epsilonl ()
double	go_atan2pi ()
long double	go_atan2pil ()
double	go_cospi ()
long double	go_cospil ()
void	go_dtoa ()
long double	ldexpl ()
double	log1p ()
long double	modfl ()
long double	strtold ()

Types and Values

#define	M_PI
#define	isnan

Object Hierarchy

Description

Functions

acosh ()

double
acosh (double x);

Returns

asinh ()

double
asinh (double x);

Returns

atanh ()

double
atanh (double x);

Returns

expm1 ()

double
expm1 (double x);

Returns

frexpl ()

long double
frexpl (long double x,
        int *exp);

Returns

go_add_epsilon ()

double
go_add_epsilon (double x);

Returns

go_add_epsilonl ()

long double
go_add_epsilonl (long double x);

Returns

go_ascii_strtod ()

double
go_ascii_strtod (const char *s,
                 char **end);

Returns

go_ascii_strtold ()

long double
go_ascii_strtold (const char *s,
                  char **end);

Returns

go_continued_fraction ()

void
go_continued_fraction (double val,
                       int max_denom,
                       int *res_num,
                       int *res_denom);

go_fake_ceil ()

double
go_fake_ceil (double x);

Returns

go_fake_ceill ()

long double
go_fake_ceill (long double x);

Returns

go_fake_floor ()

double
go_fake_floor (double x);

Returns

go_fake_floorl ()

long double
go_fake_floorl (long double x);

Returns

go_fake_round ()

double
go_fake_round (double x);

Returns

go_fake_roundl ()

long double
go_fake_roundl (long double x);

Returns

go_fake_trunc ()

double
go_fake_trunc (double x);

Returns

go_fake_truncl ()

long double
go_fake_truncl (long double x);

Returns

go_finite ()

int
go_finite (double x);

Returns

go_finitel ()

int
go_finitel (long double x);

Returns

go_pow10 ()

double
go_pow10 (int n);

Returns

go_pow10l ()

long double
go_pow10l (int n);

Returns

go_pow2 ()

double
go_pow2 (int n);

Returns

go_pow2l ()

long double
go_pow2l (int n);

Returns

go_rint ()

double
go_rint (double x);

Returns

go_stern_brocot ()

void
go_stern_brocot (double val,
                 int max_denom,
                 int *res_num,
                 int *res_denom);

go_strtod ()

double
go_strtod (const char *s,
           char **end);

Returns

go_strtold ()

long double
go_strtold (const char *s,
            char **end);

Returns

go_sub_epsilon ()

double
go_sub_epsilon (double x);

Returns

go_sub_epsilonl ()

long double
go_sub_epsilonl (long double x);

Returns

go_atan2pi ()

double
go_atan2pi (double y,
            double x);

Returns

go_atan2pil ()

long double
go_atan2pil (long double y,
             long double x);

Returns

go_cospi ()

double
go_cospi (double x);

Parameters

x

a number

Returns

the cosine of Pi times x , but with less error than doing the multiplication outright.

go_cospil ()

long double
go_cospil (long double x);

Parameters

x

a number

Returns

the cosine of Pi times x , but with less error than doing the multiplication outright.

go_dtoa ()

void
go_dtoa (GString *dst,
         const char *fmt,
         ...);

ldexpl ()

long double
ldexpl (long double x,
        int exp);

Returns

log1p ()

double
log1p (double x);

Returns

modfl ()

long double
modfl (long double x,
       long double *iptr);

Returns

strtold ()

long double
strtold (const char *Param1,
         char **Param2);

Returns

Types and Values

M_PI

#define M_PI 3.14159265358979323846

isnan

#define isnan _isnan