Im_Re_Tol - Texas Instruments TI-89 Developer's Manual

1220

IM_re_tol

Declaration: float IM_re_tol
Category(ies): Direct Floating Point Operations
Description: At the beginning of each interaction cycle, this variable is set to
FLT_EPSILON, which is defined to be 5.0
Inputs: Not applicable.
Outputs: Not applicable.
Assumptions: Access_AMS_Global_Variables must be defined.
Side Effects: Not applicable.
Availability: On AMS 2.04 and higher.
TI-89 / TI-92 Plus
Differences: None
See Also: replace_top2_with_imre
Example:
Float old_IM_re_tol = IM_re_tol;
IM_re_tol = 0.0
. /* Do some complex arithmetic with no artificial underflow of */
. /* relatively small magnitude components. */
.
IM_re_tol = old_IM_re_tol;
TI-89 / TI-92 Plus Developer Guide
Appendix B: Global Variables —
Direct Floating Point Operations
/* Save current setting. */
/* Restore previous setting. */
Not for Distribution
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Beta Version January 26, 2001