Appendix B: Global Variables — Algebra Utilities
1209
TI
-
89 / TI
-
92 Plus Developer Guide
Not for Distribution
Beta Version January 26, 2001
RAtionalize_tol
Declaration:
Float
RAtionalize_tol
Category(ies):
Algebra Utilities
Description:
This variable is the tolerance used to convert floating-point numbers to
rational numbers or to round floating-point numbers by converting them to
rational numbers then back to floating point. Appropriate values are either
0.0 or 6e-14 through 0.1 inclusive. The value is normally set to 6e-14, but it
might be temporarily modified by exact ( . . . , tol) or for various internal
purposes.
Inputs:
Not applicable.
Outputs:
Not applicable.
Assumptions:
Access_AMS_Global_Variables must be defined.
Side Effects:
Not applicable.
Availability:
All versions of the TI
-
89 / TI
-
92 Plus.
TI
-
89 / TI
-
92 Plus
Differences:
None
See Also:
None
Example:
old_RAtionalize_tol = RAtionalize_tol; /* Save old value. */
RAtionalize_tol = 2e-7;
.
. /* Do some calculations
.
RAtionalize_tol = old_RAtionalize_tol; /* Restore old value. */
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