Datasheet

C and C++ Compiler Implementation Limits
ARM DUI 0067D Copyright © 1999-2001 ARM Limited. All rights reserved. D-7
DBL_MIN_10_EXP Minimum value of base 10 exponent for type double –307
LDBL_MAX_10_EXP Maximum value of base 10 exponent for type long double 308
LDBL_MIN_10_EXP Minimum value of base 10 exponent for type long double –307
Table D-5 Other floating-point characteristics
Constant Meaning Value
FLT_RADIX Base (radix) of the ARM floating-point number representation 2
FLT_ROUNDS Rounding mode for floating-point numbers (nearest) 1
FLT_DIG Decimal digits of precision for float 6
DBL_DIG Decimal digits of precision for double 15
LDBL_DIG Decimal digits of precision for long double 15
FLT_MANT_DIG Binary digits of precision for type float 24
DBL_MANT_DIG Binary digits of precision for type double 53
LDBL_MANT_DIG Binary digits of precision for type long double 53
FLT_EPSILON Smallest positive value of x that 1.0 + x != 1.0 for type float 1.19209290e–7F
DBL_EPSILON Smallest positive value of x that 1.0 + x != 1.0 for type double 2.2204460492503131e–16
LDBL_EPSILON Smallest positive value of x that 1.0 + x != 1.0 for type long double 2.2204460492503131e–16L
Table D-4 Floating-point limits (continued)
Constant Meaning Value