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Top Forums Shell Programming and Scripting Problem with Greater Than Or Equal To Post 302472655 by fpmurphy on Wednesday 17th of November 2010 06:37:59 PM
Old 11-17-2010
Bash cannot directly handle decimal numbers like 4.5 because it does not have built-in support for floating point.
 

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frexpd64(3M)															      frexpd64(3M)

NAME
frexpd64(), frexpd128(), frexpd32() - extract mantissa and exponent from decimal floating-point numbers SYNOPSIS
DESCRIPTION
The function breaks a decimal floating-point number into a normalized decimal fraction f and an integral power of 10. It returns f and stores the integer exponent of 10 in the object pointed to by exp. The fraction f is a with magnitude in the interval [0.1, 1) or zero, and value equals f times 10 raised to the power *exp. is a version of it takes a first argument and returns a result. is a version of it takes a first argument and returns a result. These math functions are supported for HP-UX 11i Version 3 September 2008 Update and forward. USAGE
To use any of these functions, compile with the option. Make sure your program defines and then includes Link in the math library by specifying or on the linking command line. For more information, see the at the following site: RETURN VALUE
If value is zero, returns value and stores zero in the object pointed to by exp. If value is NaN, returns NaN, and the value of *exp is unspecified. If value returns value, and the value of *exp is unspecified. These functions raise no exceptions. ERRORS
No errors are defined. SEE ALSO
ilogbd64(3M), ldexpd64(3M), logbd64(3M), modfd64(3M), scalblnd64(3M), scalbnd64(3M), math(5). STANDARDS CONFORMANCE
These functions conform to ISO/IEC TR 24732, "Extension for the programming language C to support decimal floating-point arithmetic". HP Integrity Server Only frexpd64(3M)
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