Where is sqrtf?
Where is sqrtf?
- Subject: Where is sqrtf?
- From: Robert Purves <email@hidden>
- Date: Sun, 9 Jan 2005 16:18:02 +1300
At the command line, gcc has no problem with this tiny program:
/* test.c */
#include <math.h>
#include <stdio.h>
int main( void )
{
float x = sqrtf( 2.0f );
printf( "%f\n", x );
return 0;
}
% gcc -lmx -o test test.c
%
Note: -lmx is required for C99 float functions such as sqrtf, in math.h
When I try the same in Xcode (with -lmx specified in Other C Flags), I
get an error:
gcc-3.3: -lmx: linker input file unused because linking not done
ld: Undefined symbols: _sqrtf
How can I persuade Xcode that sqrtf exists?
Robert P.
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