/* @(#)fpcrttypes.h 1.1 86/02/03 SMI */ /* * Copyright (c) 1985 by Sun Microsystems, Inc. */ /* * Sun Floating Point Definitions for libc/crtlib */ /* C TYPES */ typedef enum fp_switch_type { fp_unspecified, /* Floating point unit not specified yet. */ fp_software, /* Floating point performed in software. */ fp_skyffp, /* Floating point performed on Sky FFP. */ fp_mc68881, /* Floating point performed on Motorola 68881. */ fp_sunfpa /* Floating point performed on Sun FPA. */ } ; typedef enum fp_state_type { fp_unknown, /* We don't know status yet. */ fp_absent, /* Not on system or not available to this user. */ fp_enabled /* Available for use by this user and initialized. */ } ; /* C VARIABLES */ extern enum fp_switch_type /* Current floating point variety. */ fp_switch; extern enum fp_state_type /* State of various floating point units. */ fp_state_software, /* Floating point software. */ fp_state_skyffp, /* Sky FFP. */ fp_state_mc68881, /* Motorola 68881. */ fp_state_sunfpa; /* Sun FPA. */ extern char * /* 0 if fp_state_skyffp != fp_enabled */ _skybase; /* sky access address if fp_state_skyffp == fp_enabled */ extern int Fmode, /* Software floating point modes. */ Fstatus; /* Software floating point status. */