PLOG 3CW "16 April 2007" "mathcw-1.00"

Table of contents


NAME

plogf, plog, plogl, plogw, plogq, plogll, plogdf, plogd, plogdl, plogdll - pair-precision log(x)

SYNOPSIS

cc [ flags ] -I/usr/local/include file(s) -L/usr/local/lib -lmcw [ ... ]

#include <mathcw.h>
#include <paircw.h>

extern void plogf (float_pair result, const float_pair x);

extern void plog (double_pair result, const double_pair x);

extern void plogl (long_double_pair result, const long_double_pair x);

extern void plogw (__float80_pair result, const __float80_pair x);

extern void plogq (__float128_pair result, const __float128_pair x);

extern void plogll (long_long_double_pair result, const long_long_double_pair x);

extern void plogdf (decimal_float_pair result, const decimal_float_pair x);

extern void plogd (decimal_double_pair result, const decimal_double_pair x);

extern void plogdl (decimal_long_double_pair result, const decimal_long_double_pair x);

extern void plogdll (decimal_long_long_double_pair result, const decimal_long_long_double_pair x);

NB: Functions with prototypes containing underscores in type names may be available only with certain extended compilers.


DESCRIPTION

Compute the natural (base-e, where e = 2.818281828...) logarithm of x.

RETURN VALUES

None. The function result is stored in the first argument, result.

ERRORS

None.

SEE ALSO

pabs(3CW), pacos(3CW), pacosh(3CW), padd(3CW), pasin(3CW), pasinh(3CW), patan(3CW), patan2(3CW), patanh(3CW), pcbrt(3CW), pcmp(3CW), pcon(3CW), pcopy(3CW), pcopysign(3CW), pcos(3CW), pcosh(3CW), pcotan(3CW), pdiv(3CW), pdot(3CW), peps(3CW), peval(3CW), pexp(3CW), pexp10(3CW), pexp16(3CW), pexp2(3CW), pexp8(3CW), pexpm1(3CW), pfdim(3CW), pfmax(3CW), pfmin(3CW), pfrexp(3CW), pfrexph(3CW), phigh(3CW), phypot(3CW), pierf(3CW), pierfc(3CW), pilogb(3CW), pin(3CW), pinfty(3CW), pipow(3CW), pisinf(3CW), pisnan(3CW), pisqnan(3CW), pissnan(3CW), pldexp(3CW), pldexph(3CW), plog101p(3CW), plog1p(3CW), plow(3CW), pmul(3CW), pmul2(3CW), pneg(3CW), pout(3CW), pprosum(3CW), pqnan(3CW), pscalbln(3CW), pscalbn(3CW), pset(3CW), psignbit(3CW), psin(3CW), psinh(3CW), psnan(3CW), psplit(3CW), psqrt(3CW), psub(3CW), psum(3CW), psum2(3CW), ptan(3CW), ptanh(3CW).