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#include "EXTERN.h" |
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#include "perl.h" |
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#include "XSUB.h" |
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#include "ppport.h" |
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#include "ffi_platypus.h" |
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#include "ffi_platypus_guts.h" |
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8
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static double |
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84
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decompose(SV *sv, int imag) |
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{ |
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/* Re(z) */ |
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12
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84
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dSP; |
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14
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int count; |
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15
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84
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double result = 0.0; |
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17
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84
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ENTER; |
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18
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84
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SAVETMPS; |
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84
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50
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PUSHMARK(SP); |
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84
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50
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XPUSHs(sv); |
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21
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84
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PUTBACK; |
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22
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23
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84
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100
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count = call_pv(imag ? "Math::Complex::Im" : "Math::Complex::Re", G_ARRAY); |
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24
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25
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84
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SPAGAIN; |
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26
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27
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84
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50
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if(count >= 1) |
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28
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84
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100
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result = POPn; |
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29
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30
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84
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PUTBACK; |
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31
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84
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50
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FREETMPS; |
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32
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84
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LEAVE; |
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33
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34
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84
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return result; |
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35
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} |
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37
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static void |
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36
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set(SV *sv, SV *new_value, int imag) |
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39
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{ |
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36
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dSP; |
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42
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36
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ENTER; |
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36
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SAVETMPS; |
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36
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50
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PUSHMARK(SP); |
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45
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36
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50
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XPUSHs(sv); |
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46
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36
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50
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XPUSHs(new_value); |
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47
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36
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PUTBACK; |
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48
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49
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36
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100
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call_pv(imag ? "Math::Complex::Im" : "Math::Complex::Re", G_DISCARD); |
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50
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51
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36
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50
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FREETMPS; |
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52
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36
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LEAVE; |
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53
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36
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} |
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54
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55
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void |
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56
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111
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ffi_pl_perl_to_complex_float(SV *sv, float *ptr) |
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57
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{ |
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58
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111
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100
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if(sv_isobject(sv) && sv_derived_from(sv, "Math::Complex")) |
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50
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59
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{ |
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60
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21
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ptr[0] = decompose(sv, 0); |
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61
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21
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ptr[1] = decompose(sv, 1); |
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62
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} |
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63
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90
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100
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else if(SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVAV) |
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50
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64
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69
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{ |
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65
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69
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AV *av = (AV*) SvRV(sv); |
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66
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SV **real_sv, **imag_sv; |
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67
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69
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real_sv = av_fetch(av, 0, 0); |
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68
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69
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imag_sv = av_fetch(av, 1, 0); |
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69
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69
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100
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ptr[0] = real_sv != NULL ? SvNV(*real_sv) : 0.0; |
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50
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70
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69
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100
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ptr[1]= imag_sv != NULL ? SvNV(*imag_sv) : 0.0; |
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50
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71
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} |
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72
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21
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100
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else if(SvOK(sv)) |
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50
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50
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73
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{ |
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ptr[0] = SvNV(sv); |
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75
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18
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ptr[1] = 0.0; |
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76
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} |
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77
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else |
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{ |
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3
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ptr[0] = 0.0; |
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80
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3
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ptr[1] = 0.0; |
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81
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} |
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82
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111
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} |
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83
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84
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void |
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85
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69
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ffi_pl_complex_float_to_perl(SV *sv, float *ptr) |
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86
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{ |
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87
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69
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100
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if(SvOK(sv) && sv_isobject(sv) && sv_derived_from(sv, "Math::Complex")) |
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50
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50
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100
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50
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88
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{ |
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89
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/* the complex variable is a Math::Complex object */ |
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90
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9
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set(sv, sv_2mortal(newSVnv(ptr[0])), 0); |
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91
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set(sv, sv_2mortal(newSVnv(ptr[1])), 1); |
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92
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} |
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93
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60
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100
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else if(SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVAV) |
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50
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94
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57
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{ |
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95
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/* the compex variable is already an array */ |
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96
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57
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AV *av = (AV*) SvRV(sv); |
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97
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57
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av_store(av, 0, newSVnv(ptr[0])); |
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98
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57
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av_store(av, 1, newSVnv(ptr[1])); |
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99
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} |
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100
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else |
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101
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{ |
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102
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/* the complex variable is something else and an array needs to be created */ |
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103
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SV *values[2]; |
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104
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AV *av; |
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105
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3
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values[0] = newSVnv(ptr[0]); |
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106
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3
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values[1] = newSVnv(ptr[1]); |
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107
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3
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av = av_make(2, values); |
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108
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3
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sv_setsv(sv, newRV_noinc((SV*)av)); |
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109
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} |
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110
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69
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} |
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111
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112
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void |
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113
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111
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ffi_pl_perl_to_complex_double(SV *sv, double *ptr) |
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114
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{ |
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115
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111
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100
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if(sv_isobject(sv) && sv_derived_from(sv, "Math::Complex")) |
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50
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116
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{ |
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117
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21
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ptr[0] = decompose(sv, 0); |
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118
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21
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ptr[1] = decompose(sv, 1); |
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119
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} |
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120
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90
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100
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else if(SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVAV) |
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50
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121
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69
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{ |
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122
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69
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AV *av = (AV*) SvRV(sv); |
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123
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SV **real_sv, **imag_sv; |
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124
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69
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real_sv = av_fetch(av, 0, 0); |
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125
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69
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imag_sv = av_fetch(av, 1, 0); |
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126
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69
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100
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ptr[0] = real_sv != NULL ? SvNV(*real_sv) : 0.0; |
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50
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127
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69
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100
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ptr[1]= imag_sv != NULL ? SvNV(*imag_sv) : 0.0; |
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50
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128
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} |
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129
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21
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100
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else if(SvOK(sv)) |
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50
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50
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130
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{ |
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131
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18
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50
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ptr[0] = SvNV(sv); |
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132
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18
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ptr[1] = 0.0; |
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133
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} |
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134
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else |
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135
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{ |
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136
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3
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ptr[0] = 0.0; |
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137
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3
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ptr[1] = 0.0; |
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138
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} |
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139
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111
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} |
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140
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141
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void |
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142
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69
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ffi_pl_complex_double_to_perl(SV *sv, double *ptr) |
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143
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{ |
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144
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69
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100
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if(SvOK(sv) && sv_isobject(sv) && sv_derived_from(sv, "Math::Complex")) |
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50
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50
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100
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50
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145
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{ |
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146
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/* the complex variable is a Math::Complex object */ |
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147
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9
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set(sv, sv_2mortal(newSVnv(ptr[0])), 0); |
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148
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9
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set(sv, sv_2mortal(newSVnv(ptr[1])), 1); |
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149
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} |
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150
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60
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100
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else if(SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVAV) |
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50
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151
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57
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{ |
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152
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/* the compex variable is already an array */ |
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153
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57
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AV *av = (AV*) SvRV(sv); |
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154
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57
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av_store(av, 0, newSVnv(ptr[0])); |
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155
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57
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av_store(av, 1, newSVnv(ptr[1])); |
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156
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} |
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157
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else |
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158
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{ |
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159
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/* the complex variable is something else and an array needs to be created */ |
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160
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SV *values[2]; |
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161
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AV *av; |
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162
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3
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values[0] = newSVnv(ptr[0]); |
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163
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3
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values[1] = newSVnv(ptr[1]); |
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164
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3
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av = av_make(2, values); |
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165
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3
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sv_setsv(sv, newRV_noinc((SV*)av)); |
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166
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} |
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167
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69
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} |
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168
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