"Asm.fif" include
<{ -1 INT ZERO ROT
   100 INT REPEAT:<{
     ZERO WHILE:<{
       3 3 BLKPUSH
       // -ROT OVER ADD ROT OVER ADD -ROT OVER ADD ROT
       s2 s1 PUXC ADD TUCK ADD s2 s1 PUXC ADD SWAP
       DUP ISPOS 
     }>DO<{
       s4 POP s4 POP s4 POP INC
     }>
     3 BLKDROP
     s3 XCHG0 NEGATE s2 XCHG0 NEGATE SWAP NEGATE s2 XCHG0
   }>
   3 BLKDROP
}>s dup csr.
// 61 swap runvmcode .s
drop

<{ -1 INT ZERO ROT  ONE ZERO s0 s1 PUSH2
  <{ 3 6 BLKPUSH  // a b c m11 m12 m21 m22 a' b' c'
     s2 s1 PUXC ADD TUCK ADD s2 s1 PUXC ADD SWAP
     DUP ISPOS IF:<{
       s7 POP s7 POP s7 POP   // a' b' c' m11 m12 m21 m22
       s2 PUSH ADD SWAP s3 PUSH ADD SWAP
     }>ELSE<{
       3 BLKDROP // a b c m11 m12 m21 m22
       2SWAP
       3 4 BLKSWAP  // m m m m a b c
       NEGATE SWAP NEGATE // .. a -c -b
       ROT NEGATE   // -c -b -a
       4 3 BLKSWAP
     }>
     DUP 250 QFITS ISNAN
   }>UNTIL
   2DROP s3 POP s3 POP DROP 
}>s dup csr.
1 { 10 * } 75 times constant One
{ One swap */r } : frac*One
61 over runvmcode drop frac*One swap
2 over runvmcode drop frac*One swap
3 over runvmcode drop frac*One swap
5 over runvmcode drop frac*One swap
6 over runvmcode drop frac*One swap
7 over runvmcode drop frac*One swap
8 over runvmcode drop frac*One swap
.s