Displaying 3 results from an estimated 3 matches for "null_entry".
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2009 Jul 14
1
Incorrect comment about ISNA(x) in Arith.h (PR#13826)
...and R transcript that shows that V&R are correct,
ISNA(x) is not True for NaN
So the last comment should read
/* True for NA, not NaN
#include "R.h"
void mysum(double *x)
{
double sum = 0.0;
sum = x[0] + x[1] + x[2];
if (ISNA(sum))
PROBLEM "sum is NA" WARNING(NULL_ENTRY);
if (ISNAN(sum))
PROBLEM "sum is NAN" WARNING(NULL_ENTRY);
if (!(R_FINITE(sum)))
PROBLEM "sum is not finite" WARNING(NULL_ENTRY);
return;
}
> dyn.load("~/R/work/bug.so")
> .C("mysum", c(NaN, 0.0, 0.0), NAOK = TRUE, DUP = FALSE)
[[1]]
[1...
2000 Feb 29
2
Reading data from file made by C fwrite
Hello!
First, I must also congratulate the R core team with their accomplishment!
I have gotten to like R a lot, and I have recommended it for inclusion in
an "Astronomy for Linux"-distribution which is in use by many professional
astronomers and observatories.
I'm currently working on importing data from files created by a C program
(that I have not written myself, I have the
1999 Oct 27
1
Rdefines.h
...& SPLUS_VERSION >= 4000
# include <newredef.h>
#endif
#endif
static longint *p=NULL;
void BT_demo(longint n){
#if defined(S_Plus)
if( p != NULL ){
PROBLEM "Possible memory corruption or memory leak.\n We"
"advise to restart your S+ session" WARNING(NULL_ENTRY);
Free(p);
}
#endif
p = Calloc(n,longint);
if (p == NULL){
PROBLEM "Could not allocate memory" ERROR;
}
printf("Everything fine\n");
Free(p);
}
=============== Compiled with original Rdefines.h ==========
R : Copyright 1999, The R Development Core Team
Ver...