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<?php function bcfact($n) { return ($n == 0 || $n== 1) ? 1 : bcmul($n,bcfact($n-1)); } function bcpi($precision) { $num = 0;$k = 0; bcscale($precision+3); $limit = ($precision+3)/14; while($k < $limit) { $num = bcadd($num, bcdiv(bcmul(bcadd('13591409',bcmul('545140134', $k)),bcmul(bcpow(-1, $k), bcfact(6*$k))),bcmul(bcmul(bcpow('640320',3*$k+1),bcsqrt('640320')), bcmul(bcfact(3*$k), bcpow(bcfact($k),3))))); ++$k; } return bcdiv(1,(bcmul(12,($num))),$precision); } echo bcpi(10);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/i507o
function name:  (null)
number of ops:  5
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   19     0  E >   INIT_FCALL                                               'bcpi'
          1        SEND_VAL                                                 10
          2        DO_FCALL                                      0  $0      
          3        ECHO                                                     $0
          4      > RETURN                                                   1

Function bcfact:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 47) Position 1 = 3, Position 2 = 5
Branch analysis from position: 3
2 jumps found. (Code = 43) Position 1 = 6, Position 2 = 8
Branch analysis from position: 6
1 jumps found. (Code = 42) Position 1 = 17
Branch analysis from position: 17
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 5
filename:       /in/i507o
function name:  bcfact
number of ops:  19
compiled vars:  !0 = $n
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   RECV                                             !0      
    4     1        IS_EQUAL                                         ~1      !0, 0
          2      > JMPNZ_EX                                         ~1      ~1, ->5
          3    >   IS_EQUAL                                         ~2      !0, 1
          4        BOOL                                             ~1      ~2
          5    > > JMPZ                                                     ~1, ->8
          6    >   QM_ASSIGN                                        ~3      1
          7      > JMP                                                      ->17
          8    >   INIT_FCALL_BY_NAME                                       'bcmul'
          9        SEND_VAR_EX                                              !0
         10        INIT_FCALL_BY_NAME                                       'bcfact'
         11        SUB                                              ~4      !0, 1
         12        SEND_VAL_EX                                              ~4
         13        DO_FCALL                                      0  $5      
         14        SEND_VAR_NO_REF_EX                                       $5
         15        DO_FCALL                                      0  $6      
         16        QM_ASSIGN                                        ~3      $6
         17    > > RETURN                                                   ~3
    5    18*     > RETURN                                                   null

End of function bcfact

Function bcpi:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 77
Branch analysis from position: 77
2 jumps found. (Code = 44) Position 1 = 79, Position 2 = 11
Branch analysis from position: 79
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 11
2 jumps found. (Code = 44) Position 1 = 79, Position 2 = 11
Branch analysis from position: 79
Branch analysis from position: 11
filename:       /in/i507o
function name:  bcpi
number of ops:  90
compiled vars:  !0 = $precision, !1 = $num, !2 = $k, !3 = $limit
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    6     0  E >   RECV                                             !0      
    8     1        ASSIGN                                                   !1, 0
          2        ASSIGN                                                   !2, 0
    9     3        INIT_FCALL_BY_NAME                                       'bcscale'
          4        ADD                                              ~6      !0, 3
          5        SEND_VAL_EX                                              ~6
          6        DO_FCALL                                      0          
   10     7        ADD                                              ~8      !0, 3
          8        DIV                                              ~9      ~8, 14
          9        ASSIGN                                                   !3, ~9
   11    10      > JMP                                                      ->77
   13    11    >   INIT_FCALL_BY_NAME                                       'bcadd'
         12        SEND_VAR_EX                                              !1
         13        INIT_FCALL_BY_NAME                                       'bcdiv'
         14        INIT_FCALL_BY_NAME                                       'bcmul'
         15        INIT_FCALL_BY_NAME                                       'bcadd'
         16        SEND_VAL_EX                                              '13591409'
         17        INIT_FCALL_BY_NAME                                       'bcmul'
         18        SEND_VAL_EX                                              '545140134'
         19        SEND_VAR_EX                                              !2
         20        DO_FCALL                                      0  $11     
         21        SEND_VAR_NO_REF_EX                                       $11
         22        DO_FCALL                                      0  $12     
         23        SEND_VAR_NO_REF_EX                                       $12
         24        INIT_FCALL_BY_NAME                                       'bcmul'
         25        INIT_FCALL_BY_NAME                                       'bcpow'
         26        SEND_VAL_EX                                              -1
         27        SEND_VAR_EX                                              !2
         28        DO_FCALL                                      0  $13     
         29        SEND_VAR_NO_REF_EX                                       $13
         30        INIT_FCALL                                               'bcfact'
         31        MUL                                              ~14     !2, 6
         32        SEND_VAL                                                 ~14
         33        DO_FCALL                                      0  $15     
         34        SEND_VAR_NO_REF_EX                                       $15
         35        DO_FCALL                                      0  $16     
         36        SEND_VAR_NO_REF_EX                                       $16
         37        DO_FCALL                                      0  $17     
         38        SEND_VAR_NO_REF_EX                                       $17
         39        INIT_FCALL_BY_NAME                                       'bcmul'
         40        INIT_FCALL_BY_NAME                                       'bcmul'
         41        INIT_FCALL_BY_NAME                                       'bcpow'
         42        SEND_VAL_EX                                              '640320'
         43        MUL                                              ~18     !2, 3
         44        ADD                                              ~19     ~18, 1
         45        SEND_VAL_EX                                              ~19
         46        DO_FCALL                                      0  $20     
         47        SEND_VAR_NO_REF_EX                                       $20
         48        INIT_FCALL_BY_NAME                                       'bcsqrt'
         49        SEND_VAL_EX                                              '640320'
         50        DO_FCALL                                      0  $21     
         51        SEND_VAR_NO_REF_EX                                       $21
         52        DO_FCALL                                      0  $22     
         53        SEND_VAR_NO_REF_EX                                       $22
         54        INIT_FCALL_BY_NAME                                       'bcmul'
         55        INIT_FCALL                                               'bcfact'
         56        MUL                                              ~23     !2, 3
         57        SEND_VAL                                                 ~23
         58        DO_FCALL                                      0  $24     
         59        SEND_VAR_NO_REF_EX                                       $24
         60        INIT_FCALL_BY_NAME                                       'bcpow'
         61        INIT_FCALL                                               'bcfact'
         62        SEND_VAR                                                 !2
         63        DO_FCALL                                      0  $25     
         64        SEND_VAR_NO_REF_EX                                       $25
         65        SEND_VAL_EX                                              3
         66        DO_FCALL                                      0  $26     
         67        SEND_VAR_NO_REF_EX                                       $26
         68        DO_FCALL                                      0  $27     
         69        SEND_VAR_NO_REF_EX                                       $27
         70        DO_FCALL                                      0  $28     
         71        SEND_VAR_NO_REF_EX                                       $28
         72        DO_FCALL                                      0  $29     
         73        SEND_VAR_NO_REF_EX                                       $29
         74        DO_FCALL                                      0  $30     
         75        ASSIGN                                                   !1, $30
   14    76        PRE_INC                                                  !2
   11    77    >   IS_SMALLER                                               !2, !3
         78      > JMPNZ                                                    ~33, ->11
   16    79    >   INIT_FCALL_BY_NAME                                       'bcdiv'
         80        SEND_VAL_EX                                              1
         81        INIT_FCALL_BY_NAME                                       'bcmul'
         82        SEND_VAL_EX                                              12
         83        SEND_VAR_EX                                              !1
         84        DO_FCALL                                      0  $34     
         85        SEND_VAR_NO_REF_EX                                       $34
         86        SEND_VAR_EX                                              !0
         87        DO_FCALL                                      0  $35     
         88      > RETURN                                                   $35
   17    89*     > RETURN                                                   null

End of function bcpi

Generated using Vulcan Logic Dumper, using php 8.0.0


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157.17 ms | 1407 KiB | 17 Q