tests: interp coverage for the G64 R planner dial

- g64-r-planner: R0.5/R1 emission, clamping (R2.5 -> 1.0, R0.05 -> 0.1),
  R0 -> trapezoidal, plain G64 leaves the planner untouched.
- bad/: R on G61 still errors; R on a combined G64+M19 line is refused
  as ambiguous.

Author: grandixximo

tests/interp/bad/g64-m19-r-ambiguous.ngc

@@ -0,0 +1,2 @@
+;R word is ambiguous on a line with both G64 and M19 - use separate lines
+g64 m19 r90 s0

tests/interp/bad/g64-r-on-g61.ngc

@@ -0,0 +1,2 @@
+;R word with no g code that uses it
+g61 r0.5

tests/interp/g64-r-planner/expected

@@ -0,0 +1,34 @@
+ N..... USE_LENGTH_UNITS(CANON_UNITS_MM)
+ N..... SET_G5X_OFFSET(1, 0.0000, 0.0000, 0.0000, 0.0000, 0.0000, 0.0000)
+ N..... SET_G92_OFFSET(0.0000, 0.0000, 0.0000, 0.0000, 0.0000, 0.0000)
+ N..... SET_XY_ROTATION(0.0000)
+ N..... SET_FEED_REFERENCE(CANON_XYZ)
+ N..... ON_RESET()
+ N..... SET_MOTION_CONTROL_MODE(CANON_CONTINUOUS, 0.000000)
+ N..... SET_NAIVECAM_TOLERANCE(0.0000)
+ N..... SET_PLANNER_MODE(type=1, peak_scale=0.500000)
+ N..... SET_MOTION_CONTROL_MODE(CANON_CONTINUOUS, 1.000000)
+ N..... SET_NAIVECAM_TOLERANCE(1.0000)
+ N..... SET_PLANNER_MODE(type=1, peak_scale=1.000000)
+ N..... SET_MOTION_CONTROL_MODE(CANON_CONTINUOUS, 1.000000)
+ N..... SET_NAIVECAM_TOLERANCE(1.0000)
+ N..... SET_PLANNER_MODE(type=1, peak_scale=1.000000)
+ N..... SET_MOTION_CONTROL_MODE(CANON_CONTINUOUS, 1.000000)
+ N..... SET_NAIVECAM_TOLERANCE(1.0000)
+ N..... SET_PLANNER_MODE(type=1, peak_scale=0.100000)
+ N..... SET_MOTION_CONTROL_MODE(CANON_CONTINUOUS, 1.000000)
+ N..... SET_NAIVECAM_TOLERANCE(1.0000)
+ N..... SET_PLANNER_MODE(type=0, peak_scale=-1.000000)
+ N..... SET_MOTION_CONTROL_MODE(CANON_CONTINUOUS, 1.000000)
+ N..... SET_NAIVECAM_TOLERANCE(1.0000)
+ N..... SET_MOTION_CONTROL_MODE(CANON_CONTINUOUS, 1.000000)
+ N..... SET_NAIVECAM_TOLERANCE(1.0000)
+ N..... SET_G5X_OFFSET(1, 0.0000, 0.0000, 0.0000, 0.0000, 0.0000, 0.0000)
+ N..... SET_XY_ROTATION(0.0000)
+ N..... SET_FEED_MODE(0, 0)
+ N..... SET_FEED_RATE(0.0000)
+ N..... STOP_SPINDLE_TURNING(0)
+ N..... SET_SPINDLE_MODE(0 0.0000)
+ N..... PROGRAM_END()
+ N..... ON_RESET()
+ N..... ON_RESET()

tests/interp/g64-r-planner/test.ngc

@@ -0,0 +1,8 @@
+G64
+G64 P1 R0.5
+G64 P1 R1
+G64 P1 R2.5
+G64 P1 R0.05
+G64 P1 R0
+G64 P1
+M2

tests/interp/g64-r-planner/test.sh

@@ -0,0 +1,3 @@
+#!/bin/bash
+rs274 -g test.ngc | awk '{$1=""; print}'
+exit "${PIPESTATUS[0]}"