Math::Libm - Perl extension for the C math library, libm
use Math::Libm ':all'; print "e = ", M_E, "\n"; print "pi/2 = ", M_PI_2, "\n"; print "erf(1) = ", erf(1), "\n"; print "hypot(3,4) = ", hypot(3,4), "\n"; my $signgam = 0; my $y = lgamma_r(-0.5, $signgam); print "signgam=$signgam lgamma=$y\n";
This module is a translation of the C math.h file. It exports the following selected constants and functions.
None by default.
M_1_PI M_2_PI M_2_SQRTPI M_E M_LN10 M_LN2 M_LOG10E M_LOG2E M_PI M_PI_2 M_PI_4 M_SQRT1_2 M_SQRT2
double acos(double x) double acosh(double x) double asin(double x) double asinh(double x) double atan(double x) double atanh(double x) double cbrt(double x) double ceil(double x) double cosh(double x) double erf(double x) double erfc(double x) double expm1(double x) double floor(double x) double hypot(double x, double y) double j0(double x) double j1(double x) double jn(int n, double x) double lgamma_r(double x, int signgam) double log10(double x) double log1p(double x) double pow(double x, double y) double rint(double x) double sinh(double x) double tan(double x) double tanh(double x) double y0(double x) double y1(double x) double yn(int n, double x)
Daniel S. Lewart, <d-lewart@uiuc.edu>
perlfunc, Math::Complex, POSIX.
Only tested on AIX 4.2, FreeBSD 4.0, Linux 2.2.16, and Solaris 2.5.1. May need some more functions.
To install Math::Libm, copy and paste the appropriate command in to your terminal.
cpanm
cpanm Math::Libm
CPAN shell
perl -MCPAN -e shell install Math::Libm
For more information on module installation, please visit the detailed CPAN module installation guide.