Document revision date: 30 March 2001

N
NaN value, checking for
Natural logarithm
complex number of a
nextafter routine #1
nextafter routine #2
nextafterf routine
nint routine #1
nint routine #2
nintf routine
Normalized fractions, converting to
O
Overflow exception condition #1
Overflow exception condition #2
P
pow routine #1
pow routine #2
powf routine
R
random routine #1
random routine #2
Range errors
Remainder
drem function
modulo
remainder function
remainder routine #1
remainder routine #2
remainderf routine
return type
Right triangle, hypotenuse of a
rint routine #1
rint routine #2
rintf routine
Rounding to the nearest integer
Routine interface
examples
S
scalb routine #1
scalb routine #2
scalbf routine
sin routine #1
sin routine #2
sincos routine #1
sincos routine #2
sincosd routine #1
sincosd routine #2
sincosdf routine
sincosf routine
sind routine #1
sind routine #2
sindf routine
Sine and cosine of angle
Sine, hyperbolic
Sine of angle
hyperbolic
Sine of angle of a complex number
sinf routine
sinh routine #1
sinh routine #2
sinhcosh routine #1
sinhcosh routine #2
sinhcoshf routine
sinhf routine
sqrt routine #1
sqrt routine #2
sqrtf routine
Square root
of complex numbers
Symbolic constants
S_FLOAT data type
S_FLOAT data type, conversion to and from
S_FLOAT data type, IEEE Big Endian
S_FLOAT data type, IEEE Little Endian
S_FLOAT_COMPLEX data type
T
tan routine #1
tan routine #2
tand routine #1
tand routine #2
tandf routine
tanf routine
Tangent of angle
hyperbolic
tanh routine #1
tanh routine #2
tanhf routine
trunc routine #1
trunc routine #2
Truncation
truncf routine
T_FLOAT data type
T_FLOAT data type, conversion to and from
T_FLOAT data type, IEEE Big Endian
T_FLOAT data type, IEEE Little Endian
T_FLOAT_COMPLEX data type
U
Underflow exception condition #1
Underflow exception condition #2
unordered routine #1
unordered routine #2
unorderedf routine
V
VAX double-precision complex data type
VAX double-precision data type
VAX single-precision complex data type
VAX single-precision data type
X
X/Open Portability Guide, Version 4
conformance to
X_FLOAT data type
X_FLOAT data type, conversion to and from
X_FLOAT data type, IEEE Big Endian
X_FLOAT data type, IEEE Little Endian
X_FLOAT_COMPLEX data type
Y
y0 routine #1
y0 routine #2
y0f routine
y1 routine #1
y1 routine #2
y1f routine
yn routine #1
yn routine #2
ynf routine

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