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

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

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

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

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

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

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

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

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

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

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

lgamma (3) - log gamma function {oss}

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

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

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

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

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

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

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

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

Libraries and Functions

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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.