I built a perl inline::c module, but there is some oddity with the sorting. Anyone know why it would sort like this? Why is the 4.0e-5 is not first?
my $ref = [ 5.0e-5,4.2e-5,4.3e-5,4.4e-5,4.4e-5,4.2e-5,4.2e-5,4.0e-
+5];
use Inline C => <<'END_OF_C_CODE';
void test(SV* sv, ...) {
I32 i;
I32 arrayLen;
AV* data;
float retval;
SV** pvalue;
Inline_Stack_Vars;
data = SvUV(Inline_Stack_Item(0));
/* Determine the length of the array */
arrayLen = av_len(data);
// sort
sortsv(AvARRAY(data),arrayLen+1,Perl_sv_cmp_locale);
for (i = 0; i < arrayLen+1; i++) {
pvalue = av_fetch(data,i,0); /* fetch the scalar located at i
+ .*/
retval = SvNV(*pvalue); /* dereference the scalar into a numb
+er. */
printf("%f \n",newSVnv(retval));
}
}
END_OF_C_CODE
> test($ref);
0.000042
0.000042
0.000042
0.000043
0.000044
0.000044
0.000040
0.000050
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