Skip Navigation Links | |
Exit Print View | |
man pages section 3: Extended Library Functions Oracle Solaris 10 8/11 Information Library |
Extended Library Functions - Part 1
Extended Library Functions - Part 2
dat_registry_add_provider(3DAT)
dat_registry_list_providers(3DAT)
dat_registry_remove_provider(3DAT)
dat_set_consumer_context(3DAT)
devid_deviceid_to_nmlist(3DEVID)
di_link_next_by_lnode(3DEVINFO)
di_link_next_by_node(3DEVINFO)
di_lnode_private_get(3DEVINFO)
di_lnode_private_set(3DEVINFO)
di_minor_private_get(3DEVINFO)
di_minor_private_set(3DEVINFO)
di_prom_prop_lookup_bytes(3DEVINFO)
di_prom_prop_lookup_ints(3DEVINFO)
di_prom_prop_lookup_strings(3DEVINFO)
di_prop_lookup_bytes(3DEVINFO)
di_prop_lookup_int64(3DEVINFO)
di_prop_lookup_strings(3DEVINFO)
DmiListComponentsByClass(3DMI)
ea_match_object_catalog(3EXACCT)
Extended Library Functions - Part 3
Extended Library Functions - Part 4
- test floating-point exception flags
c99 [ flag... ] file... -lm [ library... ] #include <fenv.h> int fetestexcept(int excepts);
The fetestexcept() function determines which of a specified subset of the floating-point exception flags are currently set. The excepts argument specifies the floating-point status flags to be queried.
The fetestexcept() function returns the value of the bitwise-inclusive OR of the floating-point exception macros corresponding to the currently set floating-point exceptions included in excepts.
No errors are defined.
Example 1 Example using fetestexcept()
The following example calls function f( ) if an invalid exception is set, and then function g( ) if an overflow exception is set:
#include <fenv.h> /* ... */ { # pragma STDC FENV_ACCESS ON int set_excepts; feclearexcept(FE_INVALID | FE_OVERFLOW); // maybe raise exceptions set_excepts = fetestexcept(FE_INVALID | FE_OVERFLOW); if (set_excepts & FE_INVALID) f(); if (set_excepts & FE_OVERFLOW) g(); /* ... */ }
See attributes(5) for descriptions of the following attributes:
|
feclearexcept(3M), fegetexceptflag(3M), fenv.h(3HEAD), attributes(5), standards(5)