IBV_RATE_TO_MULT(3) Libibverbs Programmer's Manual IBV_RATE_TO_MULT(3)NAME
ibv_rate_to_mult - convert IB rate enumeration to multiplier of 2.5 Gbit/sec
mult_to_ibv_rate - convert multiplier of 2.5 Gbit/sec to an IB rate enumeration
SYNOPSIS
#include <infiniband/verbs.h>
int ibv_rate_to_mult(enum ibv_rate rate);
enum ibv_rate mult_to_ibv_rate(int mult);
DESCRIPTION
ibv_rate_to_mult() converts the IB transmission rate enumeration rate to a multiple of 2.5 Gbit/sec (the base rate). For example, if rate
is IBV_RATE_5_GBPS, the value 2 will be returned (5 Gbit/sec = 2 * 2.5 Gbit/sec).
mult_to_ibv_rate() converts the multiplier value (of 2.5 Gbit/sec) mult to an IB transmission rate enumeration. For example, if mult is 2,
the rate enumeration IBV_RATE_5_GBPS will be returned.
RETURN VALUE
ibv_rate_to_mult() returns the multiplier of the base rate 2.5 Gbit/sec.
mult_to_ibv_rate() returns the enumeration representing the IB transmission rate.
SEE ALSO ibv_query_port(3)AUTHORS
Dotan Barak <dotanba@gmail.com>
libibverbs 2006-10-31 IBV_RATE_TO_MULT(3)
Check Out this Related Man Page
annuity(3M)annuity(3M)NAME
annuity(), annuityf(), annuityl(), annuityw(), annuityq() - present value factor for annuity
SYNOPSIS DESCRIPTION
The function computes the present value factor for an annuity:
(1 - (1 + rate) ** (-periods)) / rate
is a version of it takes arguments and returns a result.
is a version of it takes arguments and returns a result.
is an version of it takes arguments and returns an result.
is equivalent to on HP-UX systems.
USAGE
To use these functions, compile either with the default option or with the and options. To use compile with the option. Make sure your
program includes Link in the math library by specifying on the compiler or linker command line.
RETURN VALUE
If periods equals zero, returns 0.0.
Else, if rate equals zero, returns periods.
Else, if either argument is a NaN, returns a NaN.
Else, if rate < -1, returns a NaN and raises the invalid exception.
Else, if rate = -1 and periods = +INFINITY, returns +INFINITY.
Else, if rate equals -1 and periods > 0, is equivalent to
Else, if rate equals -1, returns -1.
Else, if rate equals +INFINITY and periods >= 0, returns +0.0.
Else, if rate equals +INFINITY and -1 < periods < 0, returns -0.0.
Else, if rate equals +INFINITY and periods = -1, returns -1.
Else, if rate equals +INFINITY, returns -INFINITY.
Else, if periods is infinite and (rate * periods) > 0, is equivalent to
Else, if periods is infinite, returns periods.
returns a properly signed infinity in lieu of a value whose magnitude is too large, and raises the overflow and inexact exceptions.
raises the underflow and inexact exceptions whenever a result is tiny (essentially denormal or zero) and thereby suffers loss of accuracy,
and may raise those exceptions if the result is merely tiny.
ERRORS
No errors are defined.
SEE ALSO compound(3M), exp(3M), expm1(3M), pow(3M), math(5).
STANDARDS CONFORMANCE
These functions are not specified by any standard.
HP Integrity Server Only annuity(3M)
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