/* (c) copyright 1988 by the Vrije Universiteit, Amsterdam, The Netherlands. See the copyright notice in the ACK home directory, in the file "Copyright". */ /* $Header: /cvsup/minix/src/lib/float/ngf8.c,v 1.1.1.1 2005/04/21 14:56:11 beng Exp $ */ /* NEGATE A FLOATING POINT (NGF 8) */ /********************************************************/ #include "FP_types.h" #include "get_put.h" #define OFF ((FL_MSL_AT_LOW_ADDRESS ? 0 : 4) + (FL_MSW_AT_LOW_ADDRESS ? 0 : 2) + (FL_MSB_AT_LOW_ADDRESS ? 0 : 1)) void ngf8(f) DOUBLE f; { unsigned char *p; if (f.d[0] != 0 || f.d[1] != 0) { p = (unsigned char *) &f + OFF; *p ^= 0x80; } }