Add new test for failing sky130A simulation in ngspice with continuou…

…s models

_tests/06/test_boris.spice

@@ -0,0 +1,24 @@
+* old binned models
+*.lib /foss/pdks/sky130A/libs.tech/ngspice/sky130.lib.spice tt
+* new continuous models
+.lib /foss/pdks/sky130A/libs.tech/combined/sky130.lib.spice tt
+
+.param mc_mm_switch=0
+.param lx=0.15 wx=162.5 nfx=40 idx=0.5m
+.save @m.xm1a.msky130_fd_pr__nfet_01v8_lvt
+
+XM1a d g s 0 sky130_fd_pr__nfet_01v8_lvt L={lx} W={wx} nf={nfx} ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)'
++ ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=1 m=1
+XM1b d g s 0 sky130_fd_pr__nfet_01v8_lvt L={lx} W={wx} nf={nfx} ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)'
++ ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=1 m=1
+vg  g  0  1
+vd  d  0  1
+is  s  0  {2*idx}
+
+.control
+  op
+  *show
+  print @m.xm1a.msky130_fd_pr__nfet_01v8_lvt[gm]
+  print @m.xm1a.msky130_fd_pr__nfet_01v8_lvt[cgg]
+.endc
+.end

_tests/06/test_ngspice_sky130a.sh

@@ -15,6 +15,7 @@ source iic-pdk-script.sh sky130A > /dev/null
 ngspice -b $DIR/test_nmos.spice > /dev/null 2>&1 || ERROR=1
 ngspice -b $DIR/test_pmos.spice > /dev/null 2>&1 || ERROR=1
 ngspice -b $DIR/test_analog.spice > /dev/null 2>&1 || ERROR=1
+ngspice -b $DIR/test_boris.spice > /dev/null 2>&1 || ERROR=1
 # Check if there is an error in the log
 if [ $ERROR -eq 1 ]; then
     echo "[ERROR] Test <ngspice with sky130a> FAILED."