\[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1.0\right) \cdot \log a\right) - b}}{y}\]
Test:
Numeric.SpecFunctions:incompleteBetaWorker from math-functions-0.1.5.2
Bits:
128 bits
Bits error versus x
Bits error versus y
Bits error versus z
Bits error versus t
Bits error versus a
Bits error versus b
Time: 1.6 m
Input Error: 27.2
Output Error: 7.3
Log:
Profile: 🕒
\(\begin{cases} \left({a}^{\left(-1.0\right)} \cdot \frac{{a}^{t}}{y}\right) \cdot (\left(\log z \cdot y\right) * x + \left(x - x \cdot b\right))_* & \text{when } t \le -4.863619482882732 \cdot 10^{+66} \\ \frac{\frac{x}{e^{b}}}{y \cdot a - \left(y \cdot a\right) \cdot (\left(\log z\right) * y + \left(t \cdot \log a\right))_*} & \text{when } t \le -3.165378118206651 \cdot 10^{+38} \\ \frac{\frac{\frac{x}{e^{b}}}{\frac{y}{{a}^{t}}}}{\frac{\frac{1}{{z}^{y}}}{{a}^{\left(-1.0\right)}}} & \text{when } t \le 3.90113396965012 \cdot 10^{+24} \\ e^{(y * \left(\log z\right) + \left(\log a \cdot \left(t - 1.0\right)\right))_* + \left(\log \left(\frac{x}{y}\right) - b\right)} & \text{when } t \le 5.863831885407645 \cdot 10^{+171} \\ \left({a}^{\left(-1.0\right)} \cdot \frac{{a}^{t}}{y}\right) \cdot (\left(\log z \cdot y\right) * x + \left(x - x \cdot b\right))_* & \text{otherwise} \end{cases}\)

    if t < -4.863619482882732e+66 or 5.863831885407645e+171 < t

    1. Started with
      \[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1.0\right) \cdot \log a\right) - b}}{y}\]
      36.5
    2. Applied simplify to get
      \[\color{red}{\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1.0\right) \cdot \log a\right) - b}}{y}} \leadsto \color{blue}{\frac{\frac{x}{e^{b}}}{\frac{\frac{y}{{z}^{y}}}{{a}^{\left(t - 1.0\right)}}}}\]
      27.2
    3. Using strategy rm
      27.2
    4. Applied sub-neg to get
      \[\frac{\frac{x}{e^{b}}}{\frac{\frac{y}{{z}^{y}}}{{a}^{\color{red}{\left(t - 1.0\right)}}}} \leadsto \frac{\frac{x}{e^{b}}}{\frac{\frac{y}{{z}^{y}}}{{a}^{\color{blue}{\left(t + \left(-1.0\right)\right)}}}}\]
      27.2
    5. Applied unpow-prod-up to get
      \[\frac{\frac{x}{e^{b}}}{\frac{\frac{y}{{z}^{y}}}{\color{red}{{a}^{\left(t + \left(-1.0\right)\right)}}}} \leadsto \frac{\frac{x}{e^{b}}}{\frac{\frac{y}{{z}^{y}}}{\color{blue}{{a}^{t} \cdot {a}^{\left(-1.0\right)}}}}\]
      27.2
    6. Applied div-inv to get
      \[\frac{\frac{x}{e^{b}}}{\frac{\color{red}{\frac{y}{{z}^{y}}}}{{a}^{t} \cdot {a}^{\left(-1.0\right)}}} \leadsto \frac{\frac{x}{e^{b}}}{\frac{\color{blue}{y \cdot \frac{1}{{z}^{y}}}}{{a}^{t} \cdot {a}^{\left(-1.0\right)}}}\]
      27.2
    7. Applied times-frac to get
      \[\frac{\frac{x}{e^{b}}}{\color{red}{\frac{y \cdot \frac{1}{{z}^{y}}}{{a}^{t} \cdot {a}^{\left(-1.0\right)}}}} \leadsto \frac{\frac{x}{e^{b}}}{\color{blue}{\frac{y}{{a}^{t}} \cdot \frac{\frac{1}{{z}^{y}}}{{a}^{\left(-1.0\right)}}}}\]
      27.2
    8. Applied *-un-lft-identity to get
      \[\frac{\color{red}{\frac{x}{e^{b}}}}{\frac{y}{{a}^{t}} \cdot \frac{\frac{1}{{z}^{y}}}{{a}^{\left(-1.0\right)}}} \leadsto \frac{\color{blue}{1 \cdot \frac{x}{e^{b}}}}{\frac{y}{{a}^{t}} \cdot \frac{\frac{1}{{z}^{y}}}{{a}^{\left(-1.0\right)}}}\]
      27.2
    9. Applied times-frac to get
      \[\color{red}{\frac{1 \cdot \frac{x}{e^{b}}}{\frac{y}{{a}^{t}} \cdot \frac{\frac{1}{{z}^{y}}}{{a}^{\left(-1.0\right)}}}} \leadsto \color{blue}{\frac{1}{\frac{y}{{a}^{t}}} \cdot \frac{\frac{x}{e^{b}}}{\frac{\frac{1}{{z}^{y}}}{{a}^{\left(-1.0\right)}}}}\]
      28.3
    10. Applied simplify to get
      \[\color{red}{\frac{1}{\frac{y}{{a}^{t}}}} \cdot \frac{\frac{x}{e^{b}}}{\frac{\frac{1}{{z}^{y}}}{{a}^{\left(-1.0\right)}}} \leadsto \color{blue}{\frac{{a}^{t}}{y}} \cdot \frac{\frac{x}{e^{b}}}{\frac{\frac{1}{{z}^{y}}}{{a}^{\left(-1.0\right)}}}\]
      28.3
    11. Applied simplify to get
      \[\frac{{a}^{t}}{y} \cdot \color{red}{\frac{\frac{x}{e^{b}}}{\frac{\frac{1}{{z}^{y}}}{{a}^{\left(-1.0\right)}}}} \leadsto \frac{{a}^{t}}{y} \cdot \color{blue}{\left({a}^{\left(-1.0\right)} \cdot \left(\frac{x}{e^{b}} \cdot {z}^{y}\right)\right)}\]
      28.3
    12. Applied taylor to get
      \[\frac{{a}^{t}}{y} \cdot \left({a}^{\left(-1.0\right)} \cdot \left(\frac{x}{e^{b}} \cdot {z}^{y}\right)\right) \leadsto \frac{{a}^{t}}{y} \cdot \left({a}^{\left(-1.0\right)} \cdot \left(\left(y \cdot \left(\log z \cdot x\right) + x\right) - b \cdot x\right)\right)\]
      17.8
    13. Taylor expanded around 0 to get
      \[\frac{{a}^{t}}{y} \cdot \left({a}^{\left(-1.0\right)} \cdot \color{red}{\left(\left(y \cdot \left(\log z \cdot x\right) + x\right) - b \cdot x\right)}\right) \leadsto \frac{{a}^{t}}{y} \cdot \left({a}^{\left(-1.0\right)} \cdot \color{blue}{\left(\left(y \cdot \left(\log z \cdot x\right) + x\right) - b \cdot x\right)}\right)\]
      17.8
    14. Applied simplify to get
      \[\frac{{a}^{t}}{y} \cdot \left({a}^{\left(-1.0\right)} \cdot \left(\left(y \cdot \left(\log z \cdot x\right) + x\right) - b \cdot x\right)\right) \leadsto \left({a}^{\left(-1.0\right)} \cdot \frac{{a}^{t}}{y}\right) \cdot (\left(\log z \cdot y\right) * x + \left(x - x \cdot b\right))_*\]
      12.5

    15. Applied final simplification

    if -4.863619482882732e+66 < t < -3.165378118206651e+38

    1. Started with
      \[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1.0\right) \cdot \log a\right) - b}}{y}\]
      35.6
    2. Applied simplify to get
      \[\color{red}{\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1.0\right) \cdot \log a\right) - b}}{y}} \leadsto \color{blue}{\frac{\frac{x}{e^{b}}}{\frac{\frac{y}{{z}^{y}}}{{a}^{\left(t - 1.0\right)}}}}\]
      44.6
    3. Applied taylor to get
      \[\frac{\frac{x}{e^{b}}}{\frac{\frac{y}{{z}^{y}}}{{a}^{\left(t - 1.0\right)}}} \leadsto \frac{\frac{x}{e^{b}}}{y \cdot a - \left({y}^2 \cdot \left(\log z \cdot a\right) + y \cdot \left(\log a \cdot \left(a \cdot t\right)\right)\right)}\]
      13.7
    4. Taylor expanded around 0 to get
      \[\frac{\frac{x}{e^{b}}}{\color{red}{y \cdot a - \left({y}^2 \cdot \left(\log z \cdot a\right) + y \cdot \left(\log a \cdot \left(a \cdot t\right)\right)\right)}} \leadsto \frac{\frac{x}{e^{b}}}{\color{blue}{y \cdot a - \left({y}^2 \cdot \left(\log z \cdot a\right) + y \cdot \left(\log a \cdot \left(a \cdot t\right)\right)\right)}}\]
      13.7
    5. Applied simplify to get
      \[\color{red}{\frac{\frac{x}{e^{b}}}{y \cdot a - \left({y}^2 \cdot \left(\log z \cdot a\right) + y \cdot \left(\log a \cdot \left(a \cdot t\right)\right)\right)}} \leadsto \color{blue}{\frac{\frac{x}{e^{b}}}{y \cdot a - \left(y \cdot a\right) \cdot (\left(\log z\right) * y + \left(t \cdot \log a\right))_*}}\]
      11.4

    if -3.165378118206651e+38 < t < 3.90113396965012e+24

    1. Started with
      \[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1.0\right) \cdot \log a\right) - b}}{y}\]
      21.4
    2. Applied simplify to get
      \[\color{red}{\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1.0\right) \cdot \log a\right) - b}}{y}} \leadsto \color{blue}{\frac{\frac{x}{e^{b}}}{\frac{\frac{y}{{z}^{y}}}{{a}^{\left(t - 1.0\right)}}}}\]
      4.9
    3. Using strategy rm
      4.9
    4. Applied sub-neg to get
      \[\frac{\frac{x}{e^{b}}}{\frac{\frac{y}{{z}^{y}}}{{a}^{\color{red}{\left(t - 1.0\right)}}}} \leadsto \frac{\frac{x}{e^{b}}}{\frac{\frac{y}{{z}^{y}}}{{a}^{\color{blue}{\left(t + \left(-1.0\right)\right)}}}}\]
      4.9
    5. Applied unpow-prod-up to get
      \[\frac{\frac{x}{e^{b}}}{\frac{\frac{y}{{z}^{y}}}{\color{red}{{a}^{\left(t + \left(-1.0\right)\right)}}}} \leadsto \frac{\frac{x}{e^{b}}}{\frac{\frac{y}{{z}^{y}}}{\color{blue}{{a}^{t} \cdot {a}^{\left(-1.0\right)}}}}\]
      4.8
    6. Applied div-inv to get
      \[\frac{\frac{x}{e^{b}}}{\frac{\color{red}{\frac{y}{{z}^{y}}}}{{a}^{t} \cdot {a}^{\left(-1.0\right)}}} \leadsto \frac{\frac{x}{e^{b}}}{\frac{\color{blue}{y \cdot \frac{1}{{z}^{y}}}}{{a}^{t} \cdot {a}^{\left(-1.0\right)}}}\]
      4.8
    7. Applied times-frac to get
      \[\frac{\frac{x}{e^{b}}}{\color{red}{\frac{y \cdot \frac{1}{{z}^{y}}}{{a}^{t} \cdot {a}^{\left(-1.0\right)}}}} \leadsto \frac{\frac{x}{e^{b}}}{\color{blue}{\frac{y}{{a}^{t}} \cdot \frac{\frac{1}{{z}^{y}}}{{a}^{\left(-1.0\right)}}}}\]
      4.8
    8. Applied associate-/r* to get
      \[\color{red}{\frac{\frac{x}{e^{b}}}{\frac{y}{{a}^{t}} \cdot \frac{\frac{1}{{z}^{y}}}{{a}^{\left(-1.0\right)}}}} \leadsto \color{blue}{\frac{\frac{\frac{x}{e^{b}}}{\frac{y}{{a}^{t}}}}{\frac{\frac{1}{{z}^{y}}}{{a}^{\left(-1.0\right)}}}}\]
      2.8

    if 3.90113396965012e+24 < t < 5.863831885407645e+171

    1. Started with
      \[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1.0\right) \cdot \log a\right) - b}}{y}\]
      0
    2. Applied simplify to get
      \[\color{red}{\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1.0\right) \cdot \log a\right) - b}}{y}} \leadsto \color{blue}{\frac{\frac{x}{e^{b}}}{\frac{\frac{y}{{z}^{y}}}{{a}^{\left(t - 1.0\right)}}}}\]
      25.7
    3. Using strategy rm
      25.7
    4. Applied sub-neg to get
      \[\frac{\frac{x}{e^{b}}}{\frac{\frac{y}{{z}^{y}}}{{a}^{\color{red}{\left(t - 1.0\right)}}}} \leadsto \frac{\frac{x}{e^{b}}}{\frac{\frac{y}{{z}^{y}}}{{a}^{\color{blue}{\left(t + \left(-1.0\right)\right)}}}}\]
      25.7
    5. Applied unpow-prod-up to get
      \[\frac{\frac{x}{e^{b}}}{\frac{\frac{y}{{z}^{y}}}{\color{red}{{a}^{\left(t + \left(-1.0\right)\right)}}}} \leadsto \frac{\frac{x}{e^{b}}}{\frac{\frac{y}{{z}^{y}}}{\color{blue}{{a}^{t} \cdot {a}^{\left(-1.0\right)}}}}\]
      25.7
    6. Applied div-inv to get
      \[\frac{\frac{x}{e^{b}}}{\frac{\color{red}{\frac{y}{{z}^{y}}}}{{a}^{t} \cdot {a}^{\left(-1.0\right)}}} \leadsto \frac{\frac{x}{e^{b}}}{\frac{\color{blue}{y \cdot \frac{1}{{z}^{y}}}}{{a}^{t} \cdot {a}^{\left(-1.0\right)}}}\]
      25.7
    7. Applied times-frac to get
      \[\frac{\frac{x}{e^{b}}}{\color{red}{\frac{y \cdot \frac{1}{{z}^{y}}}{{a}^{t} \cdot {a}^{\left(-1.0\right)}}}} \leadsto \frac{\frac{x}{e^{b}}}{\color{blue}{\frac{y}{{a}^{t}} \cdot \frac{\frac{1}{{z}^{y}}}{{a}^{\left(-1.0\right)}}}}\]
      25.7
    8. Applied associate-/r* to get
      \[\color{red}{\frac{\frac{x}{e^{b}}}{\frac{y}{{a}^{t}} \cdot \frac{\frac{1}{{z}^{y}}}{{a}^{\left(-1.0\right)}}}} \leadsto \color{blue}{\frac{\frac{\frac{x}{e^{b}}}{\frac{y}{{a}^{t}}}}{\frac{\frac{1}{{z}^{y}}}{{a}^{\left(-1.0\right)}}}}\]
      25.7
    9. Using strategy rm
      25.7
    10. Applied add-exp-log to get
      \[\frac{\frac{\frac{x}{e^{b}}}{\frac{y}{{a}^{t}}}}{\color{red}{\frac{\frac{1}{{z}^{y}}}{{a}^{\left(-1.0\right)}}}} \leadsto \frac{\frac{\frac{x}{e^{b}}}{\frac{y}{{a}^{t}}}}{\color{blue}{e^{\log \left(\frac{\frac{1}{{z}^{y}}}{{a}^{\left(-1.0\right)}}\right)}}}\]
      25.7
    11. Applied add-exp-log to get
      \[\frac{\color{red}{\frac{\frac{x}{e^{b}}}{\frac{y}{{a}^{t}}}}}{e^{\log \left(\frac{\frac{1}{{z}^{y}}}{{a}^{\left(-1.0\right)}}\right)}} \leadsto \frac{\color{blue}{e^{\log \left(\frac{\frac{x}{e^{b}}}{\frac{y}{{a}^{t}}}\right)}}}{e^{\log \left(\frac{\frac{1}{{z}^{y}}}{{a}^{\left(-1.0\right)}}\right)}}\]
      25.7
    12. Applied div-exp to get
      \[\color{red}{\frac{e^{\log \left(\frac{\frac{x}{e^{b}}}{\frac{y}{{a}^{t}}}\right)}}{e^{\log \left(\frac{\frac{1}{{z}^{y}}}{{a}^{\left(-1.0\right)}}\right)}}} \leadsto \color{blue}{e^{\log \left(\frac{\frac{x}{e^{b}}}{\frac{y}{{a}^{t}}}\right) - \log \left(\frac{\frac{1}{{z}^{y}}}{{a}^{\left(-1.0\right)}}\right)}}\]
      25.7
    13. Applied simplify to get
      \[e^{\color{red}{\log \left(\frac{\frac{x}{e^{b}}}{\frac{y}{{a}^{t}}}\right) - \log \left(\frac{\frac{1}{{z}^{y}}}{{a}^{\left(-1.0\right)}}\right)}} \leadsto e^{\color{blue}{(y * \left(\log z\right) + \left(\log a \cdot \left(t - 1.0\right)\right))_* + \left(\log \left(\frac{x}{y}\right) - b\right)}}\]
      7.6

  1. Removed slow pow expressions

Original test:


(lambda ((x default) (y default) (z default) (t default) (a default) (b default))
  #:name "Numeric.SpecFunctions:incompleteBetaWorker from math-functions-0.1.5.2"
  (/ (* x (exp (- (+ (* y (log z)) (* (- t 1.0) (log a))) b))) y))