Module: cfloat
Provides the following floating-point macro constants:
- FLT-RADIX
- FLT-ROUNDS
- FLT-DIG
- FLT-EPSILON
- FLT-MANT-DIG
- FLT-MAX
- FLT-MAX-EXP
- FLT-MIN
- FLT-MIN-EXP
- DBL-DIG
- DBL-EPSILON
- DBL-MANT-DIG
- DBL-MAX
- DBL-MAX-EXP
- DBL-MIN
- DBL-MIN-EXP
- LDBL-DIG
- LDBL-EPSILON
- LDBL-MANT-DIG
- LDBL-MAX
- LDBL-MAX-EXP
- LDBL-MIN
- LDBL-MIN-EXP