Texas Instruments TMS34010 Reference Manual page 79

Runtime-Support Functions - Header Files
Table 6-2. Macros that Supply Floating-Point Range Limits (float.h)
Macro Value Description
FLT-RADIX 2 Base or radix of exponent representation
FLT-ROUNDS 0
Rounding mode for floating-point addition (rounds to
nearest integer)
FLT-DIG 6 Number of decimal digits of precision for a float
FLT-MANT-DIG 23 Number of base- FL T -RADIX digits in the mantissa of a
float
FLT-MIN-EXP -126 Smallest exponent (base 2) for a float
FL T -MAX-EXP
127 Largest exponent (base 2) for a float
FLT-EPSILON 1.1920929E-07F
Minimum positive float
x
such that 1.0 +
x #:
.1.0
FLT-MIN 5.8774720E-39F Minimum positive float
FLT-MAX 1.7014116E+38F Maximum positive float
FLT -MI N-1 O-EXP
-39 Minimum negative integer such that 10 raised to that
power is in the range of normalized floats
FLT-MAX-10-EXP 38 Maximum positive integer such that 10 raised to that
power is in the range of normalized floats
DBL-DIG
15 Number of decimal digits of precision for a double or
LDBL-DIG
a long double
DBL-MANT-DIG 52 Number of base- FL T -RADIX digits in the mantissa
LDBL-MANT-DIG of a double or a long double
DBL-MIN-EXP -1022 Smallest exponent (base 2) for a double or long double
LDBL-MIN-EXP
DBL-MAX-EXP 1023 Largest exponent (base 2) for a double or long double
LDBL-MAX-EXP
DBL-EPSILON
2.22044604925031
r
E-16
LDBL-EPSILON Minimum positive double or long double
x
such that 1.0
+ x #:
.1.0
DBL-MIN
1.112536929253692fE-308
LDBL-MIN Minimum positive double or long double
DBL-MAX 8.988465674311620E+307
LDBL-MAX
DBL-MIN-10-EXP
LDBL-MIN-10-EXP
DBL-MAX-10-EXP
LDBL-MAX-10-EXP
Key to prefixes:
FLT- applies to type float
DBL- applies to type double
LDBL-applies to type long double
6-4
Maximum positive double or long double
-308 Minimum negative integer such that 10 raised
to that power is in the range of normalized doubles or
long doubles
307 Maximum positive integer such that 10 raised
to that power is in the range of normalized doubles or
long doubles