HP-UX Floating-Point Guide

Index
Index 241
table, 129
table of overflow results based
on
, 57
S
-S compiler option
, 179
sample programs
, 15
bessel.f
, 123
diffmag1.f
, 90
diffmag2.f
, 90
fe_env.c
, 140
fe_flags.c
, 134
fe_flush.c
, 147
fe_round.c
, 131
fe_traps.c
, 137
fe_update.c
, 143
flophex.c
, 78
flophex.f
, 77
fpeq.c
, 85
get_arch.c
, 26
liberr77.f
, 110
overflow.f
, 153
overflow_on.f
, 159
overflow_sig.c
, 162
overflow_trap.f
, 155
print_class.c
, 117
roundeps.f
, 86
rounderr.f
, 71
sloppy_tangent.f
, 94
trunc.c
, 93
underflow_on.f
, 160
scalar math libraries
, 112
millicode versions of functions
,
112
scalb function
, 119
scalbn function
, 121
shared libraries
, 99
effect on performance
, 181
sigaction(2) function
, 161
SIGFPE signal
, 56, 153, 161,
165
sign bit
, 36
signal handlers. See exception
conditions, handling
exceptions
signaling NaN
, 45
operations on
, 58
signals
SIGFPE
, 56, 153, 161, 165
significand. See fraction field
single-precision
format
, 36, 39
maximum values, table
, 56
mixing with double-precision
,
184
precision of
, 40
SNaN
, 45
Spec 1170 (COSE Common API
Specification)
C library functions
, 118
square root
of negative value
, 58
operation
, 61
standards. See C9X draft
standard, IEEE standard,
POSIX standard, SVID
specification, XPG4.2
specification
static data
creating
, 178
initializing to zero
, 178
static variables
and performance
, 190
status register. See floating-point
status register
sticky bits. See exception flags
subnormal values
, 41
subtraction
of values with similar
magnitudes
, 87
operation
, 61
sudden underflow mode. See fast
underflow mode
SVID specification
, 24
switches. See compiler options,
linker options
System V Interface Definition.
See SVID specification
T
tiling
, 189
trap handlers
, 60
trap handling
, 151
traps
enabling
, 153
handling
, 157
trigonometric functions
degree-valued
, 116
trunc function
, 121
truncation to integer
, 64
and significance loss
, 92
U
ULP (Unit in the Last Place)
, 40
uname command
, 26
underflow condition
, 42, 57
unintentional
, 91
underflow mode
setting
, 145, 148, 183
unit in the last place (ULP)
, 40
unordered relation between
operands
, 62
V
vector library (obsolete)
, 121
vectorization
, 175, 185
W
wide mode
, 25
X
X/Open Portability Guide. See
XPG4.2 specification
XPG4.2 specification
, 24