Gsl (gb.gsl)
This class provides useful mathematical functions and constants.
This class is static.
Constants
| E | The base of exponentials, e = Exp(1). | 
| EULER | Euler’s constant, γ. | 
| INV2_PI | Twice the reciprocal of pi, 2/π = 2 / Pi. | 
| INV2_SQRTPI | Two divided by the square root of pi, 2/√π = 2 / Sqr(Pi). | 
| INV_PI | The reciprocal of pi, 1/π = 1 / Pi. | 
| LN10 | The natural logarithm of ten, ln(10) = Log(10). | 
| LN2 | The natural logarithm of two, ln(2) = Log(2). | 
| LNPI | The natural logarithm of pi, ln(π) = Log(Pi). | 
| LOG10E | The base-10 logarithm of e, log10(e) = Log10(Exp(1)). | 
| LOG2E | The base-2 logarithm of e, log2(e) = Log2(Exp(1)). | 
| PI | The constant pi, π = Pi. | 
| PI_2 |  | 
| PI_4 |  | 
| SQRT1_2 | The square root of one-half, √ 1/2 = Sqr(0.5). | 
| SQRT2 | The square root of two, √2 = Sqr(2). | 
| SQRT3 | The square root of three, √3 = Sqr(3). | 
| SQRTPI | The square root of π, √/π/ = Sqr(Pi). | 
Static methods
| Acosh | This function computes the value of arccosh(x). | 
| Asinh | This function computes the value of arcsinh(x). | 
| Atanh | This function computes the value of arctanh(x). | 
| Expm1 | This function computes the value of exp(x) − 1 in a way that is accurate for small x. | 
| Fcmp | This function determines whether X and Y are approximately equal to a relative accuracy epsilon E. | 
| Frexp | This function splits the number X into its normalized fraction F and exponent E, such
that X = F * (2 ^ E)and0.5 < F < 1. | 
| Hypot | This function computes the value of √( x ² + y ²) in a way that avoids overflow. | 
| Hypot3 | This function computes the value of √( x ² + y ² + z ²) in a way that avoids overflow. | 
| IsFinite | This function returns TRUEif X is a real number, andFALSEif it is infinite or not-a-number. | 
| IsInf | This function returns +1if X is positive infinity,−1if X is negative infinity and0otherwise. | 
| IsNan | This function returns TRUE if X is not-a-number. | 
| Ldexp | This function computes the value of X * (2 ^ E). | 
| Log1p | This function computes the value of log(1 + x) in a way that is accurate for small x. |