Zilog ZUSBOPTS Manual do Utilizador descarregar pdf (Página 428)

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Standard Header Files UM017105-0511

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Zilog Developer Studio II – ZNEO™

User Manual

The following additional exponential functions are provided:

Logarithmic

The following additional logarithmic functions are provided:

Power

The following additional power functions are provided:

Nearest Integer

float expf(float x); Calculates exponential function of x.

float frexpf(float value, int *exp); Shows x as product of mantissa (the value

returned by frexp) and 2 to the n.

float ldexpf(float x, int exp); Calculates x times 2 to the exp.

double log(double x); Calculates natural logarithm of x.

double log10(double x); Calculates base 10 logarithm of x.

double modf(double value, double

*iptr);

Breaks down x into integer (the value returned by

modf) and fractional (n) parts.

float logf(float x); Calculates natural logarithm of x.

float log10f(float x); Calculates base 10 logarithm of x.

float modff(float value, float *iptr); Breaks down x into integer (the value returned by

modf) and fractional (n) parts.

double pow(double x, double y); Calculates x to the y.

double sqrt(double x); Finds square root of x.

float powf(float x, float y); Calculates x to the y.

float sqrtf(float x); Finds square root of x.

double ceil(double x); Finds integer ceiling of x.

double fabs(double x); Finds absolute value of x.

double floor(double x); Finds largest integer less than or equal to x.

double fmod(double x,double y); Finds floating-point remainder of x/y.

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