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#include "ray.h" |
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#include "paths.h" |
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#include "otypes.h" |
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#include "func.h" |
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static OBJREC *fobj = NULL; /* current function object */ |
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static RAY *fray = NULL; /* current function ray */ |
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static double l_erf(), l_erfc(), l_arg(); |
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static double l_erf(char *), l_erfc(char *), l_arg(char *); |
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MFUNC * |
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static double |
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l_arg() /* return nth real argument */ |
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l_arg(char *nm) /* return nth real argument */ |
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{ |
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register int n; |
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static double |
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l_erf() /* error function */ |
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l_erf(char *nm) /* error function */ |
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{ |
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extern double erf(); |
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static double |
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l_erfc() /* cumulative error function */ |
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l_erfc(char *nm) /* cumulative error function */ |
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{ |
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extern double erfc(); |
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