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Full Discussion: Arithmetic in floating point
Top Forums Shell Programming and Scripting Arithmetic in floating point Post 302391506 by Scott on Monday 1st of February 2010 02:15:30 PM
Old 02-01-2010
Quote:
Originally Posted by sumit the cool
thanks buddy
it is not possible with expr to get floating poin answers
Correct (it's not possible).

Some newer shells, like ksh93 support floating point arithmetic, but for portability it's probably best to use bc.
 

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isgreaterequal(3M)														isgreaterequal(3M)

NAME
isgreaterequal() - floating-point quiet comparison macro (>=) SYNOPSIS
floating-expr floating-expr DESCRIPTION
The macro determines whether its first argument is greater than or equal to its second argument. The value of is always equal to however, unlike does not raise the invalid exception when x and y are unordered. The arguments must be of floating type. For HP Integrity servers, the arguments can be any floating type. For PA-RISC, each argument must be either or USAGE
To use the macro, compile either with the default option or with the and options. Make sure your program includes Link in the math library by specifying on the compiler or linker command line. RETURN VALUE
The macro returns the value of The macro raises no floating-point exceptions. ERRORS
No errors are defined. SEE ALSO
isgreater(3M), isless(3M), islessequal(3M), islessgreater(3M), isunordered(3M), math(5). STANDARDS CONFORMANCE
isgreaterequal(3M)
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