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Floating point math

Floating point math (including complex numbers)
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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

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

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

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