|
|
|
|
|
|
Constant
(macro)
|
FLT_RADIX
|
2
|
Indicates the radix in exponent representation.
|
|
|
FLT_ROUNDS
|
1 or 0
|
Indicates whether or not the result of an add operation is rounded off.
The meaning of this macro definition is as follows:
When result of add operation is rounded off: 1
When result of add operation is rounded down: 0
The rounding-off and rounding-down methods are implementation-defined.
|
|
Constant
(macro)
|
FLT_MAX
|
3.4028235677973364e
+38F
|
Indicates the maximum value that can be represented as a float type floating-point value.
|
|
DBL_MAX
|
1.7976931348623158e
+308
|
Indicates the maximum value that can be represented as a double type floating-point value.
|
|
LDBL_MAX
|
1.7976931348623158e
+308
|
Indicates the maximum value that can be represented as a long double type floating-point value.
|
|
FLT_MAX_EXP
|
127
|
Indicates the power-of-radix maximum value that can be represented as a float type floating-point value.
|
|
DBL_MAX_EXP
|
1023
|
Indicates the power-of-radix maximum value that can be represented as a double type floating-point value.
|
|
LDBL_MAX_EXP
|
1023
|
Indicates the power-of-radix maximum value that can be represented as a long double type floating-point value.
|
|
FLT_MAX_10_
EXP
|
38
|
Indicates the power-of-10 maximum value that can be represented as a float type floating-point value.
|
|
DBL_MAX_10_
EXP
|
308
|
Indicates the power-of-10 maximum value that can be represented as a double type floating-point value.
|
|
LDBL_MAX_10_
EXP
|
308
|
Indicates the power-of-10 maximum value that can be represented as a long double type floating-point value.
|
|
FLT_MIN
|
1.175494351e38F
|
Indicates the minimum positive value that can be represented as a float type floating-point value.
|
|
DBL_MIN
|
2.2250738585072014e
308
|
Indicates the minimum positive value that can be represented as a double type floating-point value.
|
|
LDBL_MIN
|
2.2250738585072014e
308
|
Indicates the minimum positive value that can be represented as a long double type floating-point value.
|
|
FLT_MIN_EXP
|
149
|
Indicates the power-of-radix minimum value of a floating-point value that can be represented as a float type positive value.
|
|
DBL_MIN_EXP
|
1074
|
Indicates the power-of-radix minimum value of a floating-point value that can be represented as a double type positive value.
|
|
LDBL_MIN_EXP
|
1074
|
Indicates the power-of-radix minimum value of a floating-point value that can be represented as a long double type positive value.
|
|
Constant
(macro)
|
FLT_MIN_10_EXP
|
44
|
Indicates the power-of-10 minimum value of a floating-point value that can be represented as a float type positive value.
|
|
DBL_MIN_10_
EXP
|
323
|
Indicates the power-of-10 minimum value of a floating-point value that can be represented as a double type positive value.
|
|
LDBL_MIN_10_
EXP
|
323
|
Indicates the power-of-10 minimum value of a floating-point value that can be represented as a long double type positive value.
|
|
FLT_DIG
|
6
|
Indicates the maximum number of digits in float type floating-point value decimal-precision.
|
|
DBL_DIG
|
15
|
Indicates the maximum number of digits in double type floating-point value decimal-
precision.
|
|
LDBL_DIG
|
15
|
Indicates the maximum number of digits in long double type floating-point value decimal-precision.
|
|
FLT_MANT_DIG
|
24
|
Indicates the maximum number of mantissa digits when a float type floating-point value is represented in the radix.
|
|
DBL_MANT_DIG
|
53
|
Indicates the maximum number of mantissa digits when a double type floating-point value is represented in the radix.
|
|
LDBL_MANT_DIG
|
53
|
Indicates the maximum number of mantissa digits when a long double type floating-point value is represented in the radix.
|
|
FLT_EXP_DIG
|
8
|
Indicates the maximum number of exponent digits when a float type floating-point value is represented in the radix.
|
|
DBL_EXP_DIG
|
11
|
Indicates the maximum number of exponent digits when a double type floating-point value is represented in the radix.
|
|
LDBL_EXP_DIG
|
11
|
Indicates the maximum number of exponent digits when a long double type floating-point value is represented in the radix.
|
|
FLT_POS_EPS
|
5.9604648328104311e8F
|
Indicates the minimum floating-point value x for which 1.0 + x 1.0 in float type.
|
|
DBL_POS_EPS
|
1.1102230246251567e16
|
Indicates the minimum floating-point value x for which 1.0 + x 1.0 in double type.
|
|
LDBL_POS_EPS
|
1.1102230246251567e16
|
Indicates the minimum floating-point value x for which 1.0 + x 1.0 in long double type.
|
|
FLT_NEG_EPS
|
2.9802324164052156e8F
|
Indicates the minimum floating-point value x for which 1.0 x 1.0 in float type.
|
|
DBL_NEG_EPS
|
5.5511151231257834e17
|
Indicates the minimum floating-point value x for which 1.0 x 1.0 in double type
|
|
LDBL_NEG_EPS
|
5.5511151231257834e17
|
Indicates the minimum floating-point value x for which 1.0 x 1.0 in long double type.
|
|
Constant
(macro)
|
FLT_POS_EPS_
EXP
|
23
|
Indicates the minimum integer n for which 1.0 + (radix)n 1.0 in float type.
|
|
DBL_POS_EPS_
EXP
|
52
|
Indicates the minimum integer n for which 1.0 +(radix)n 1.0 in double type.
|
|
LDBL_POS_EPS_EXP
|
52
|
Indicates the minimum integer n for which 1.0 + (radix)n 1.0 in long double type.
|
|
FLT_NEG_EPS_
EXP
|
24
|
Indicates the minimum integer n for which 1.0 (radix)n 1.0 in float type.
|
|
DBL_NEG_EPS_
EXP
|
53
|
Indicates the minimum integer n for which 1.0 (radix)n 1.0 in double type.
|
|
LDBL_NEG_EPS_EXP
|
53
|
Indicates the minimum integer n for which 1.0 (radix)n 1.0 in long double type.
|
|
DECIMAL_DIG
|
10
|
Indicates the maximum number of digits of a floating-point value represented in decimal precision.
|
|
FLT_EPSILON
|
1E5
|
Indicates the difference between 1 and the minimum value greater than 1 that can be represented in float type.
|
|
DBL_EPSILON
|
1E9
|
Indicates the difference between 1 and the minimum value greater than 1 that can be represented in double type.
|
|
LDBL_EPSILON
|
1E9
|
Indicates the difference between 1 and the minimum value greater than 1 that can be represented in long double type.
|