log_gamma

 

Description

Log Gamma function ln(\Gamma(x))

Syntax

double log_gamma( double x )

Parameters

x
[input] the argument x of the funtion

Return

Returns a value for the logarithm of the Gamma function ln\Gamma(x)

Examples

EX1

void log_gamma_ex1()
{
        double x[5] = {1.0,1.25,1.5,1.75,2.0}
        double dResult[5];
        for(int ii=0;ii<5; ii++)
        {
                dResult[ii] = log_gamma(x[ii]);
                printf("%4.1f: %12.4e\n",x[ii],dResult[ii]);
        }
}

Remark

See Also

gamma, incomplete_gamma

header to Include

origin.h

Reference