search for: v_dta_start

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2007 Feb 20
2
Problem with types on 64-bit
...32-bit R code with 64-bit machine ( I am using version R-2.4.1 ). The problem occurs when I am trying to detect a NULL STRSXP type. ( Perhaps I am doing this detection in the wrong way? ) On 32-bit the following works, and correctly identifies if I am passing NULL or a valid string object: if ( v_dta_start != R_NilValue && STRING_ELT( v_dta_start, 0 ) != R_NilValue ) { dta.start = CHAR( STRING_ELT( v_dta_start, 0 ) ); } Yet on a 64-bit machine I get the following errors: (1) when I pass NULL it goes into the if clause and then when it tries to set dta.start it displays: CHAR() can only...