3.14 ! basic float +3.14 ! Optional signs -3.14 10e5 ! exponents signified by e or E 10E+5 ! with optional signs +10e-5 1. ! equivalent to 1.0 .5 ! equivalent to 0.5 1/2. ! floating point approximation of a ratio (0.5) 1/3. ! 0.3333333333333333 1/0. ! positive infinity -1/0. ! negative infinity 0/0. ! not-a-number ! hexadecimal, octal, and binary float literals are supported. ! they require a base 2 exponent expressed as a decimal ! preceded by p or P. 0x1.0p3 ! 8.0 -0x1.0P-3 ! -0.125 0b1.010001p3 ! 10.125 0o1.21p3 ! 10.125 ! comma separators are allowed 1,234.123,456 ! 1234.123456 ! normalized hex form ±0x1.MMMMMMMMMMMMMp±EEEE allows any floating-point ! number to be specified precisely according to IEEE 754 representation +0x1.1234567891234p+0002 ! 4.28444444440952