libquadmath/doc/math-library-routines.rst

   1 ..
   2   Copyright 1988-2022 Free Software Foundation, Inc.
   3   This is part of the GCC manual.
   4   For copying conditions, see the copyright.rst file.
   5
   6 .. _math-library-routines:
   7
   8 Math Library Routines
   9 ---------------------
  10
  11 The following mathematical functions are available:
  12
  13 * :samp:`{acosq}`:  arc cosine function
  14 * :samp:`{acoshq}`:  inverse hyperbolic cosine function
  15 * :samp:`{asinq}`:  arc sine function
  16 * :samp:`{asinhq}`:  inverse hyperbolic sine function
  17 * :samp:`{atanq}`:  arc tangent function
  18 * :samp:`{atanhq}`:  inverse hyperbolic tangent function
  19 * :samp:`{atan2q}`:  arc tangent function
  20 * :samp:`{cbrtq}`:  cube root function
  21 * :samp:`{ceilq}`:  ceiling value function
  22 * :samp:`{copysignq}`:  copy sign of a number
  23 * :samp:`{coshq}`:  hyperbolic cosine function
  24 * :samp:`{cosq}`:  cosine function
  25 * :samp:`{erfq}`:  error function
  26 * :samp:`{erfcq}`:  complementary error function
  27 * :samp:`{exp2q}`:  base 2 exponential function
  28 * :samp:`{expq}`:  exponential function
  29 * :samp:`{expm1q}`:  exponential minus 1 function
  30 * :samp:`{fabsq}`:  absolute value function
  31 * :samp:`{fdimq}`:  positive difference function
  32 * :samp:`{finiteq}`:  check finiteness of value
  33 * :samp:`{floorq}`:  floor value function
  34 * :samp:`{fmaq}`:  fused multiply and add
  35 * :samp:`{fmaxq}`:  determine maximum of two values
  36 * :samp:`{fminq}`:  determine minimum of two values
  37 * :samp:`{fmodq}`:  remainder value function
  38 * :samp:`{frexpq}`:  extract mantissa and exponent
  39 * :samp:`{hypotq}`:  Eucledian distance function
  40 * :samp:`{ilogbq}`:  get exponent of the value
  41 * :samp:`{isinfq}`:  check for infinity
  42 * :samp:`{isnanq}`:  check for not a number
  43 * :samp:`{issignalingq}`:  check for signaling not a number
  44 * :samp:`{j0q}`:  Bessel function of the first kind, first order
  45 * :samp:`{j1q}`:  Bessel function of the first kind, second order
  46 * :samp:`{jnq}`:  Bessel function of the first kind, {n}-th order
  47 * :samp:`{ldexpq}`:  load exponent of the value
  48 * :samp:`{lgammaq}`:  logarithmic gamma function
  49 * :samp:`{llrintq}`:  round to nearest integer value
  50 * :samp:`{llroundq}`:  round to nearest integer value away from zero
  51 * :samp:`{logbq}`:  get exponent of the value
  52 * :samp:`{logq}`:  natural logarithm function
  53 * :samp:`{log10q}`:  base 10 logarithm function
  54 * :samp:`{log1pq}`:  compute natural logarithm of the value plus one
  55 * :samp:`{log2q}`:  base 2 logarithm function
  56 * :samp:`{lrintq}`:  round to nearest integer value
  57 * :samp:`{lroundq}`:  round to nearest integer value away from zero
  58 * :samp:`{modfq}`:  decompose the floating-point number
  59 * :samp:`{nanq}`:  return quiet NaN
  60 * :samp:`{nearbyintq}`:  round to nearest integer
  61 * :samp:`{nextafterq}`:  next representable floating-point number
  62 * :samp:`{powq}`:  power function
  63 * :samp:`{remainderq}`:  remainder function
  64 * :samp:`{remquoq}`:  remainder and part of quotient
  65 * :samp:`{rintq}`:  round-to-nearest integral value
  66 * :samp:`{roundq}`:  round-to-nearest integral value, return {__float128}
  67 * :samp:`{scalblnq}`:  compute exponent using {FLT_RADIX}
  68 * :samp:`{scalbnq}`:  compute exponent using {FLT_RADIX}
  69 * :samp:`{signbitq}`:  return sign bit
  70 * :samp:`{sincosq}`:  calculate sine and cosine simultaneously
  71 * :samp:`{sinhq}`:  hyperbolic sine function
  72 * :samp:`{sinq}`:  sine function
  73 * :samp:`{sqrtq}`:  square root function
  74 * :samp:`{tanq}`:  tangent function
  75 * :samp:`{tanhq}`:  hyperbolic tangent function
  76 * :samp:`{tgammaq}`:  true gamma function
  77 * :samp:`{truncq}`:  round to integer, towards zero
  78 * :samp:`{y0q}`:  Bessel function of the second kind, first order
  79 * :samp:`{y1q}`:  Bessel function of the second kind, second order
  80 * :samp:`{ynq}`:  Bessel function of the second kind, {n}-th order
  81 * :samp:`{cabsq}`:  complex absolute value function
  82 * :samp:`{cargq}`:  calculate the argument
  83 * :samp:`{cimagq}`:  imaginary part of complex number
  84 * :samp:`{crealq}`:  real part of complex number
  85 * :samp:`{cacoshq}`:  complex arc hyperbolic cosine function
  86 * :samp:`{cacosq}`:  complex arc cosine function
  87 * :samp:`{casinhq}`:  complex arc hyperbolic sine function
  88 * :samp:`{casinq}`:  complex arc sine function
  89 * :samp:`{catanhq}`:  complex arc hyperbolic tangent function
  90 * :samp:`{catanq}`:  complex arc tangent function
  91 * :samp:`{ccosq}`:  complex cosine function
  92 * :samp:`{ccoshq}`:  complex hyperbolic cosine function
  93 * :samp:`{cexpq}`:  complex exponential function
  94 * :samp:`{cexpiq}`:  computes the exponential function of 'i' times a real value
  95 * :samp:`{clogq}`:  complex natural logarithm
  96 * :samp:`{clog10q}`:  complex base 10 logarithm
  97 * :samp:`{conjq}`:  complex conjugate function
  98 * :samp:`{cpowq}`:  complex power function
  99 * :samp:`{cprojq}`:  project into Riemann Sphere
 100 * :samp:`{csinq}`:  complex sine function
 101 * :samp:`{csinhq}`:  complex hyperbolic sine function
 102 * :samp:`{csqrtq}`:  complex square root
 103 * :samp:`{ctanq}`:  complex tangent function
 104 * :samp:`{ctanhq}`:  complex hyperbolic tangent function