ack/mach/proto/fp/ngf8.c
1988-04-07 10:57:49 +00:00

21 lines
308 B
C

/*
NEGATE A FLOATING POINT
*/
/********************************************************/
/*
Assumes exponent is located in bytes 0 & 1
*/
/********************************************************/
#include "FP_types.h"
ngf8(f)
_double f;
{
unsigned char *p;
p = (unsigned char *) &f;
*p ^= 0x80;
}