Appendix A: System Routines — Graphing
597
TI
-
89 / TI
-
92 Plus Developer Guide
Not for Distribution
Beta Version January 26, 2001
gr_CptIndepInc
Declaration:
BYTE
gr_CptIndepInc
(BCD16
indep
, BCD16 *
min
, USHORT *
inc
)
Category(ies):
Graphing
Description:
Compute the increment equal to or less than the given independent
variable value for DE, Sequence, Parametric, and Polar mode. Use
XCvtFtoP
for function mode. See the example for 3D mode.
Inputs:
indep
— Independent variable value.
min
— Pointer to an array of BCD16 floating-point values defining
the min, max, and step size of the independent variable:
indep[0] = min, indep[1] = max, indep[2] = step.
inc
— Pointer to address to store the computed increment.
Outputs:
Returns 1 if the increment that corresponds to the given independent
variable value (or next lowest if between increments) is valid and returns
the increment in the location pointed to by
inc
. Returns 0 if the independent
value was out of range.
Assumptions:
None
Side Effects:
None
Availability:
All versions of the TI-89 / TI-92 Plus.
TI-89 / TI-92 Plus
Differences:
None
See Also: XCvtFtoP
(continued)
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