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Full Discussion: A straightforward Python question.
Top Forums Programming A straightforward Python question. Post 302996049 by jim mcnamara on Tuesday 18th of April 2017 09:00:18 AM
Old 04-18-2017
Consider the phedd link - there are a lot of sites with command line bc formulas, for example fft solutions. bc originally was meant to do extended precision floating point from extensive scripts, as well as one-off fp math operations. Don't sell it short.

If you want portability and you do not want to have to verify/install perl's MATH:: for every UNIX installation, bc is the correct approach, IMO.
 

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LEARN ABOUT PHP

values.h

values.h(3HEAD) 						      Headers							   values.h(3HEAD)

NAME

       values.h, values - machine-dependent values

SYNOPSIS

       #include <values.h>

DESCRIPTION

       This file contains a set of manifest constants, conditionally defined for particular processor architectures.

       The  model  assumed  for  integers  is binary representation (one's or two's complement), where the sign is represented by the value of the
       high-order bit.

       BITS(type)		       The number of bits in a specified type (for example, int).

       HIBITS			       The value of a short integer with only the high-order bit set.

       HIBITL			       The value of a long integer with only the high-order bit set.

       HIBITI			       The value of a regular integer with only the high-order bit set.

       MAXSHORT 		       The maximum value of a signed short integer.

       MAXLONG			       The maximum value of a signed long integer.

       MAXINT			       The maximum value of a signed regular integer.

       MAXFLOAT, LN_MAXFLOAT	       The maximum value of a single-precision floating-point number, and its natural logarithm.

       MAXDOUBLE, LN_MAXDOUBLE	       The maximum value of a double-precision floating-point number, and its natural logarithm.

       MINFLOAT, LN_MINFLOAT	       The minimum positive value of a single-precision floating-point number, and its natural logarithm.

       MINDOUBLE, LN_MINDOUBLE	       The minimum positive value of a double-precision floating-point number, and its natural logarithm.

       FSIGNIF			       The number of significant bits in the mantissa of a single-precision floating-point number.

       DSIGNIF			       The number of significant bits in the mantissa of a double-precision floating-point number.

SEE ALSO

       intro(3) math.h(3HEAD)

SunOS 5.10							    2 Mar 1993							   values.h(3HEAD)
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