! Aware > default selections > Math > Floating point >

Floating point math

Floating point math (including complex numbers)
Subsets on this page: - #Apps & Utilities - #Q&A - #Libs & Functions -
- #Personalize -
     icon
Search ! Aware:



     Home
  By TONY
  By MARK
  By JERRY
  By ANN
  By ERICA

Search all pages


Subjects

By activity
Professions, Sciences, Humanities, Business, ...

User Interface
Text-based, GUI, Audio, Video, Keyboards, Mouse, Images,...

Text Strings
Conversions, tests, processing, manipulation,...

Math
Integer, Floating point, Matrix, Statistics, Boolean, ...

Processing
Algorithms, Memory, Process control, Debugging, ...

Stored Data
Data storage, Integrity, Encryption, Compression, ...

Communications
Networks, protocols, Interprocess, Remote, Client Server, ...

Hard World
Timing, Calendar and Clock, Audio, Video, Printer, Controls...

File System
Management, Filtering, File & Directory access, Viewers, ...



Questions and Answers: Showing

How can printf use %f for type double, if scanf requires %lf? []

At comp.lang.c FAQ

When I set a float variable to 3.1, why is printf printing it as 3.0999999? []

At comp.lang.c FAQ

Why is sqrt(144.) giving me crazy numbers? []

At comp.lang.c FAQ

I keep getting "undefined: sin'' compilation errors. []

At comp.lang.c FAQ

My floating-point calculations are acting strangely and giving me different answers on different machines. []

At comp.lang.c FAQ

What's a good way to check for "close enough'' floating-point equality? []

At comp.lang.c FAQ

How do I round numbers? []

At comp.lang.c FAQ

Where is C's exponentiation operator? []

At comp.lang.c FAQ

The pre-#defined constant M_PI seems to be missing from <math.h>. []

At comp.lang.c FAQ

How do I test for IEEE NaN and other special values? []

At comp.lang.c FAQ

What's a good way to implement complex numbers in C? []

At comp.lang.c FAQ

I'm looking for some mathematical library code. []

At comp.lang.c FAQ

I'm having trouble with a Turbo C program which crashes and says something like "floating point formats not linked.'' []

At comp.lang.c FAQ

How can I handle floating-point exceptions gracefully? []

At comp.lang.c FAQ

How Accurate and Precise is libm.a? [ 2000/03/16]

At Ask Slashdot

Why did my program bomb at run time with "floating point formats not linked" or "floating point not loaded"? []

At comp.os.msdos.programmer FAQ at MIT
http://www.faqs.org/faqs/msdos-programmer-faq/part2 (At comp.os.msdos.programmer FAQ at faqs.org)

Questions and Answers

Others not displayed here
Full List


Applications and Utilities: Showing

G-format - VAX BSD4.2 compiler modifications to use G-format fp. {oss}

At comp.sources.unix at UUNET

simplex - Simplex Curve Fitting Algorithm in C {oss}

At comp.sources.unix at ISC
ftp://ftp.uu.net/usenet/comp.sources.unix/volume4/ (At comp.sources.unix at UUNET)

Tiresize.C - Calculate English dimensions for standard metric tire sizes {oss}

At snippets.org

Applications and Utilities

Others not displayed here
Full List

Libraries and Components: Showing

math (3) - introduction to mathematical library functions {oss}

Man pages: FreeBSD NetBSD
Source code: OpenBSD FreeBSD

copysign finite ilogb nextafter remainder scalbn (3) - Functions for IEEE arithmetic {oss}

Man pages: FreeBSD
Source code: OpenBSD FreeBSD

atof (3) - convert ASCII string to double {oss}

Man pages: FreeBSD RedHat NetBSD
Source code: OpenBSD FreeBSD
[ANSI C X3.159-1989]

strtod (3) - convert ASCII string to double {oss}

Man pages: FreeBSD RedHat Solaris NetBSD
Source code: OpenBSD FreeBSD
[ANSI C X3.159-1989]

exp expm1 log log10 log1p pow (3) - exponential, logarithm, power functions {oss}

Man pages: FreeBSD RedHat NetBSD
Source code: OpenBSD FreeBSD

fabs (3) - floating-point absolute value function {oss}

Man pages: FreeBSD RedHat NetBSD
Source code: OpenBSD FreeBSD
[ANSI C X3.159-1989]

cabs (3) - euclidean distance and complex absolute value functions {oss}

Man pages: FreeBSD RedHat NetBSD
Source code: OpenBSD FreeBSD

erf erfc (3) - error function operators {oss}

Man pages: FreeBSD RedHat NetBSD
Source code: OpenBSD FreeBSD

fmod (3) - floating-point remainder function {oss}

Man pages: FreeBSD RedHat NetBSD
Source code: OpenBSD FreeBSD
[ANSI C X3.159-1989]

frexp expm1 log log10 log1p pow (3) - convert floating-point number to fractional and integral components {oss}

Man pages: FreeBSD RedHat Solaris NetBSD
Source code: OpenBSD FreeBSD
[ANSI C X3.159-1989]

modf (3) - extract signed integral and fractional values from floating-point number {oss}

Man pages: FreeBSD RedHat Solaris NetBSD
Source code: OpenBSD FreeBSD
[ANSI C X3.159-1989]

lgamma (3) - log gamma function {oss}

Man pages: FreeBSD RedHat NetBSD
Source code: OpenBSD FreeBSD

ldexp expm1 log log10 log1p pow (3) - multiply floating-point number by integral power of 2 {oss}

Man pages: FreeBSD RedHat Solaris NetBSD
Source code: OpenBSD FreeBSD
[ANSI C X3.159-1989]

logb scalb significand (3) - IEEE test functions {oss}

Man pages: FreeBSD
Source code: OpenBSD FreeBSD

isinf isnan (3) - test for infinity or not-a-number {oss}

Man pages: FreeBSD RedHat NetBSD
Source code: OpenBSD FreeBSD
[ANSI C X3.159-1989]

j0 j1 jn y0 y1 yn (3) - bessel functions of first and second kind {oss}

Man pages: FreeBSD RedHat NetBSD
Source code: OpenBSD FreeBSD

cbrt sqrt (3) - cube root and square root functions {oss}

Man pages: FreeBSD RedHat
Source code: OpenBSD FreeBSD

ceil (3) - round to smallest integral value greater than or equal {oss}

Man pages: FreeBSD RedHat NetBSD
Source code: OpenBSD FreeBSD
[ANSI C X3.159-1989]

floor (3) - round to largest integral value not greater than x {oss}

Man pages: FreeBSD RedHat NetBSD
Source code: OpenBSD FreeBSD
[ANSI C X3.159-1989]

rint (3) - round to integral value in floating point format {oss}

Man pages: FreeBSD RedHat NetBSD
Source code: OpenBSD FreeBSD

p5-Math-Currency-0.11 - Perl module for exact currency math with formatting and rounding

At FreeBSD Ports

p5-Math-FixedPrecision-0.14 - Perl module that provides decimal math without floating point errors

At FreeBSD Ports

py22-mpz-2.2.1 - Python bindings to the GNU Multiple Precision library

At FreeBSD Ports

Dbl2Long.C - Rounds doubles to longs {oss}

At snippets.org

Dblround.How,Dblround.C - Rounds a double to nearest whole number {oss}

At snippets.org

Etphi.C - Compute Euler's Totient function (phi) {oss}

At snippets.org

Metric.H - English <-> Metric and other conversion macros {oss}

At snippets.org

Bcdd.C, Bcdd.Doc - BCD math (to/from double) functions {oss}

At snippets.org

Round.H - Rounding macros {oss}

At snippets.org

Ldfloor.C - Long double floor {oss}

At snippets.org

Logscale.C - Fast logarithmic integer scaling function {oss}

At snippets.org

Fraction.C - Convert a real number to an integer ratio {oss}

At snippets.org

Ipow.C - Raise a number to an integer power {oss}

At snippets.org

complex-lib - Complex arithmetic library {oss}

At comp.sources.unix at UUNET

gmp - , GNU mp, is a library for arithmetic on arbitrary precision integers, rational numbers, and floating-point numbers. {LGPL,GNU}

At GNU project
gmp-3.1.1 - Library for arbitrary precision arithmetic (At NetBSD packages collection)

Math::Brent - One-dimenstional function minimization. [Perl] {oss}

At CPAN

Math::Derivative - Numeric 1st and 2nd order differentiation. [Perl] {oss}

At CPAN

Math::Amoeba - An implementation of the Downhill Simplex multidimensional method. Use it to compute the local minimum of a function. [Perl] {oss}

At CPAN

Math::Approx - Approximates mathematical functions: you provide the function. Requires Math::Matrix. [Perl] {oss}

At CPAN

Math::Fortran - A very simple module that provides two mathematical functions not provided by Perl: log10() and sign(). [Perl] {oss}

At CPAN

Math::Spline - Cubic spline interpolation. Requires Math::Derivative. [Perl] {oss}

At CPAN

Libraries and Functions

Others not displayed here
Full List

Related Subjects (default selections)

(The following links to subjects at this site retain your personalized selections.)

See also Trigonometric - Trigonometric functions (sin, cos, tan, et al)

Up to Math - Gateway topic to math and numeric processing routines.

(There may be additional related subject pages listed here)

Personalized Selections
Platform:
MS-DOS.
Unix/BSD/Linux.
Prog.Language:
C/C++.
Perl.
PHP.
License:
Commercial.
Open-source.
  GPL or LGPL.
Maturity:
Stable.
Pre-production.
Tip: To exclude choices, select all others in same column
Pre-Selections

Use our system: Bring Rapid Knowledge Transfer and Awareness to your company website!



Rapid-Links: Search | About | Comments | Submit Path: RocketAware > Math > Floating point >
RocketAware.com is a service of Mib Software
Copyright 2002, Forrest J. Cavalier III. All Rights Reserved.
We welcome submissions and comments