FLT_DIG DBL_DIG LDBL_DIG |
Number of digits, q, such that a floating-point number with q decimal digits can be rounded into a floating-point representation and back, without loss of precision. |
7 15 19 |
FLT_EPSILON DBL_EPSILON LDBL_EPSILON |
Smallest positive number x, such that x <153> 1.0 + x |
1.192092896e-07F 2.2204460492503131e-016 5.4210108624275221706e-020 |
FLT_MANT_DIG DBL_MANT_DIG LDBL_MANT_DIG |
Number of digits in the radix specified by FLT_RADIX in the floating-point significand. In Microsoft C/C++, the radix is 2; hence these values specify bits. |
24 53 64 |
FLT_MAX DBL_MAX LDBL_MAX |
Maximum representable floating-point number. |
3.402823466e+38F 1.7976931348623158e+308 1.189731495357231765e+4932L |
FLT_MAX_10_EXP DBL_MAX_10_EXP LDBL_MAX_10_EXP |
Maximum integer such that 10 raised to that number is a representable floating-point number. |
38 308 4932 |
FLT_MAX_EXP DBL_MAX_EXP LDBL_MAX_EXP |
Maximum integer such that FLT_RADIX raised to that number is a representable floating-point number. |
128 1024 16384 |
FLT_MIN DBL_MIN LDBL_MIN |
Minimum positive normalized floating-point number. |
1.175494351e-38F 2.2250738585072014e-308 3.3621031431120935063e-4932L |
FLT_MIN_10_EXP DBL_MIN_10_EXP LDBL_MIN_10_EXP |
Minimum negative integer such that 10 raised to that number is a representable floating-point number. |
–37 –307 –4931 |
FLT_MIN_EXP DBL_MIN_EXP LDBL_MIN_EXP |
Minimum negative integer such that FLT_RADIX raised to that number is a representable floating-point number. |
–125 –1021 –16381 |
FLT_RADIX DBL_RADIX LDBL_RADIX |
Radix of exponent representation. |
2 2 2 |
FLT_ROUNDS DBL_ROUNDS LDBL_ROUNDS |
Rounding mode for floating-point addition. |
1 (near) 1 (near) 1 (near) |