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Curve primitives
Non-standard functions
(
functions.cc
)
Common functions with isolated discontinuities:
sgn
(signum),
recip
(reciprocal, defined to be 0 at 0),
sinx
(
with discontinuity removed)
The ``Charlie Brown'' function,
cb
, namely the period-2 extension of absolute value on the interval
.
Integer-valued functions
abs
and
gcd
.
Non-printing utility functions:
sup(f, a, b); inf(f, a, b);
Numerical approximation of max/min value of
on
.
hwang
2002-06-06