Math Exponential Functions

Math Class

Members

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float exp ( float v ) #

Returns e raised to the specified power (e^v ).

Arguments

• float v - Power.

Return value

e raised to the specified power (e^v ).

double exp ( double v ) #

Returns e raised to the specified power (e^v ).

Arguments

• double v - Power.

Return value

e raised to the specified power (e^v ).

float expFast ( float v ) #

Returns e raised to the specified power (e^v ) - the approximated (quicker calculated) value.

Arguments

• float v - Power.

Return value

e raised to the specified power (e^v ).

float exp2 ( float v ) #

Returns 2 raised to the specified power (2^v ).

Arguments

• float v - Power.

Return value

2 raised to the specified power (2^v ).

double exp2 ( double v ) #

Returns 2 raised to the specified power (2^v ).

Arguments

• double v - Power.

Return value

2 raised to the specified power (2^v ).

float exp2Fast ( float v ) #

Returns 2 raised to the specified power (2^v ) - the approximated (quicker calculated) value.

Arguments

• float v - Power.

Return value

2 raised to the specified power (2^v ).

float log ( float v ) #

Returns the natural logarithm of the argument.

Arguments

• float v - Argument.

Return value

Natural logarithm of the argument.

double log ( double v ) #

Returns the natural logarithm of the argument.

Arguments

• double v - Argument.

Return value

Natural logarithm of the argument.

float logFast ( float v ) #

Returns the approximated (quicker calculated) natural logarithm of the argument.

Arguments

• float v - Argument.

Return value

Approximated natural logarithm of the argument.

int log2 ( int v ) #

Returns the base-2 logarithm of the argument.

Arguments

• int v - Argument.

Return value

Base-2 logarithm of the argument.

float log2 ( float v ) #

Returns the base-2 logarithm of the argument.

Arguments

• float v - Argument.

Return value

Base-2 logarithm of the argument.

double log2 ( double v ) #

Returns the base-2 logarithm of the argument.

Arguments

• double v - Argument.

Return value

Base-2 logarithm of the argument.

float log2Fast ( float v ) #

Returns the approximated (quicker calculated) base-2 logarithm of the argument.

Arguments

• float v - Argument.

Return value

Approximated base-2 logarithm of the argument.

float log10 ( float v ) #

Returns the base-10 logarithm of the argument.

Arguments

• float v - Argument.

Return value

Base-10 logarithm of the argument.

double log10 ( double v ) #

Returns the base-10 logarithm of the argument.

Arguments

• double v - Argument.

Return value

Base-10 logarithm of the argument.

float pow ( float x, float y ) #

Returns the argument raised to the specified power (x^y ).

Arguments

• float x - Argument.
• float y - Power.

Return value

Argument raised to the specified power (x^y ).

double pow ( double x, double y ) #

Returns the argument raised to the specified power (x^y ).

Arguments

• double x - Argument.
• double y - Power.

Return value

Argument raised to the specified power (x^y ).

float powFast ( float a, float b ) #

Returns the argument raised to the specified power (a^b). Doesn't perform the check that the first argument is a negative value.

Arguments

• float a - Argument.
• float b - Power.

Return value

Argument raised to the specified power (a^b).

float pow2 ( float x ) #

Returns the argument raised to the power of 2 (squared).

Arguments

• float x - Argument.

Return value

Argument raised to the power of 2 (squared).

double pow2 ( double x ) #

Returns the argument raised to the power of 2 (squared).

Arguments

• double x - Argument.

Return value

Argument raised to the power of 2 (squared).

int pow2 ( int x ) #

Returns the argument raised to the power of 2 (squared).

Arguments

• int x - Argument.

Return value

Argument raised to the power of 2 (squared).

unsigned long long nextPow2 ( unsigned long long x ) #

Returns the next power of 2 greater than or equal to a given argument.

Arguments

• unsigned long long x - Argument.

Return value

Power of 2 greater than or equal to a given argument.

double dsqrt ( double v ) #

Returns the square root of the argument.

Arguments

• double v - Argument.

Return value

Square root of the argument.

float fsqrt ( float v ) #

Returns the square root of the argument.

Arguments

• float v - Argument.

Return value

Square root of the argument.

float rsqrt ( float v ) #

Returns the inverted square root of the argument.

Arguments

• float v - Argument.

Return value

Inverted square root of the argument.

double rsqrt ( double v ) #

Returns the inverted square root of the argument.

Arguments

• double v - Argument.

Return value

Inverted square root of the argument.

Scalar ssqrt ( Scalar v ) #

Returns the square root of the argument.

Arguments

• Scalar v - Argument.

Return value

Square root of the argument.

float sqrtFast ( float v ) #

Returns an approximation of the square root.

Arguments

• float v - Argument.

Return value

Approximated square root of the argument.

float rsqrtFast ( float v ) #

Returns an approximation of the inverted square root.

Arguments

• float v - Argument.

Return value

Approximation of the inverted square root of the argument.