Floating point

• ceil round up
• double conversion from integer to double precision representation
• fix round towards zero
• floor round down
• format number printing and display format
• frexp dissect floating-point numbers into base 2 exponent and mantissa
• ieee set floating point exception mode
• int round towards zero
• isinf check for infinite entries
• isnan check for “Not a Number” entries
• nearfloat get previous or next floating-point number
• nextpow2 next higher power of 2.
• number_properties determine floating-point parameters
• round round to nearest integer