PSCALBLN 3CW "12 July 2007" "mathcw-1.00"
Table of contents
pscalblnf, pscalbln, pscalblnl, pscalblnw, pscalblnq, pscalblnll, pscalblndf, pscalblnd, pscalblndl, pscalblndll - scale pair-precision floating-point number by power of FLT_RADIX
cc [ flags ] -I/usr/local/include file(s) -L/usr/local/lib -lmcw [ ... ]
#include <mathcw.h>
#include <paircw.h>
extern void pscalblnf (float_pair result, const float_pair x, long int n);
extern void pscalbln (double_pair result, const double_pair x, long int n);
extern void pscalblnl (long_double_pair result, const long_double_pair x, long int n);
extern void pscalblnw (__float80_pair result, const __float80_pair x, long int n);
extern void pscalblnq (__float128_pair result, const __float128_pair x, long int n);
extern void pscalblnll (long_long_double_pair result, const long_long_double_pair x, long int n);
extern void pscalblndf (decimal_float_pair result, const decimal_float_pair x, long int n);
extern void pscalblnd (decimal_double_pair result, const decimal_double_pair x, long int n);
extern void pscalblndl (decimal_long_double_pair result, const decimal_long_double_pair x, long int n);
extern void pscalblndll (decimal_long_long_double_pair result, const decimal_long_long_double_pair x, long int n);
NB: Functions with prototypes containing underscores in type names
may be available only with certain extended compilers.
Compute the product of
x
and the value of
FLT_RADIX
raised to the power
n.
In the absence of underflow and overflow of the result, this scaling
is always
exact.
A companion function, pscalbn(result, x, n), provides for a
lower-precision exponent.
None. The function result is stored in the first argument, result.
None.
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),
plog(3CW),
plog101p(3CW),
plog1p(3CW),
plow(3CW),
pmul(3CW),
pmul2(3CW),
pneg(3CW),
pout(3CW),
pprosum(3CW),
pqnan(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).