| CptDeltax | Function (ROM Call 0x1C1)

graphing.h

unsigned char CptDeltax (GR_WIN_VARS *);

Computes the system variable Δx.

Given a pointer to a GR_WIN_VARS structure (usually gr_active or gr_other), CptDeltax computes the system variable Δx.
This function calls ck_valid_float and CkValidDelta, among others.

Uses: CkValidDelta, ck_valid_float, _bcd_math
Used by: cmd_blddata, GT_ValidGraphRanges, GZ_Square, Regraph