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Purpose
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Checks to see if certain fields exist in the current vdata. |
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Return value
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Returns a value of 1 if all field(s) exist and FAIL (or -1) otherwise. |
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Description
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VSfexist checks if all fields with the names specified in the parameter field_name_list exist in the vdata identified by the parameter vdata_id. |
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The parameter field_name_list is a string of comma-separated fieldnames (e.g., "PX,PY,PZ" in C and 'PX,PY,PZ' in Fortran). |