\[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1.0\right) \cdot \log a\right) - b}}{y}\]
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: 1.2 m
Input Error: 10.8
Output Error: 3.0
Log:
Profile: 🕒
\(\begin{cases} e^{(y * \left(\log z\right) + \left(\log a \cdot \left(t - 1.0\right)\right))_*} \cdot \left(\frac{x}{y} - \frac{b}{\frac{y}{x}}\right) & \text{when } y \cdot \log z \le -2787.4988f0 \\ \frac{\frac{x}{e^{b}}}{\frac{\frac{y}{{z}^{y}}}{{a}^{t} \cdot {a}^{\left(-1.0\right)}}} & \text{when } y \cdot \log z \le 555.9554f0 \\ \frac{\frac{x}{e^{b}}}{y \cdot a - \left(y \cdot a\right) \cdot (\left(\log z\right) * y + \left(t \cdot \log a\right))_*} & \text{otherwise} \end{cases}\)

    if (* y (log z)) < -2787.4988f0

    1. Started with
      \[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1.0\right) \cdot \log a\right) - b}}{y}\]
      2.9
    2. Applied simplify to get
      \[\color{red}{\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1.0\right) \cdot \log a\right) - b}}{y}} \leadsto \color{blue}{\frac{\frac{x}{e^{b}}}{\frac{\frac{y}{{z}^{y}}}{{a}^{\left(t - 1.0\right)}}}}\]
      11.2
    3. Using strategy rm
      11.2
    4. Applied add-cube-cbrt to get
      \[\frac{\frac{x}{e^{b}}}{\frac{\frac{y}{{z}^{y}}}{\color{red}{{a}^{\left(t - 1.0\right)}}}} \leadsto \frac{\frac{x}{e^{b}}}{\frac{\frac{y}{{z}^{y}}}{\color{blue}{{\left(\sqrt[3]{{a}^{\left(t - 1.0\right)}}\right)}^3}}}\]
      11.2
    5. Using strategy rm
      11.2
    6. Applied add-exp-log to get
      \[\frac{\frac{x}{e^{b}}}{\frac{\frac{y}{{z}^{y}}}{\color{red}{{\left(\sqrt[3]{{a}^{\left(t - 1.0\right)}}\right)}^3}}} \leadsto \frac{\frac{x}{e^{b}}}{\frac{\frac{y}{{z}^{y}}}{\color{blue}{e^{\log \left({\left(\sqrt[3]{{a}^{\left(t - 1.0\right)}}\right)}^3\right)}}}}\]
      11.2
    7. Applied add-exp-log to get
      \[\frac{\frac{x}{e^{b}}}{\frac{\color{red}{\frac{y}{{z}^{y}}}}{e^{\log \left({\left(\sqrt[3]{{a}^{\left(t - 1.0\right)}}\right)}^3\right)}}} \leadsto \frac{\frac{x}{e^{b}}}{\frac{\color{blue}{e^{\log \left(\frac{y}{{z}^{y}}\right)}}}{e^{\log \left({\left(\sqrt[3]{{a}^{\left(t - 1.0\right)}}\right)}^3\right)}}}\]
      20.7
    8. Applied div-exp to get
      \[\frac{\frac{x}{e^{b}}}{\color{red}{\frac{e^{\log \left(\frac{y}{{z}^{y}}\right)}}{e^{\log \left({\left(\sqrt[3]{{a}^{\left(t - 1.0\right)}}\right)}^3\right)}}}} \leadsto \frac{\frac{x}{e^{b}}}{\color{blue}{e^{\log \left(\frac{y}{{z}^{y}}\right) - \log \left({\left(\sqrt[3]{{a}^{\left(t - 1.0\right)}}\right)}^3\right)}}}\]
      20.7
    9. Applied simplify to get
      \[\frac{\frac{x}{e^{b}}}{e^{\color{red}{\log \left(\frac{y}{{z}^{y}}\right) - \log \left({\left(\sqrt[3]{{a}^{\left(t - 1.0\right)}}\right)}^3\right)}}} \leadsto \frac{\frac{x}{e^{b}}}{e^{\color{blue}{\log y - (y * \left(\log z\right) + \left(\log a \cdot \left(t - 1.0\right)\right))_*}}}\]
      19.1
    10. Applied taylor to get
      \[\frac{\frac{x}{e^{b}}}{e^{\log y - (y * \left(\log z\right) + \left(\log a \cdot \left(t - 1.0\right)\right))_*}} \leadsto \frac{x}{e^{\log y - (y * \left(\log z\right) + \left(\log a \cdot \left(t - 1.0\right)\right))_*}} - \frac{b \cdot x}{e^{\log y - (y * \left(\log z\right) + \left(\log a \cdot \left(t - 1.0\right)\right))_*}}\]
      16.8
    11. Taylor expanded around 0 to get
      \[\color{red}{\frac{x}{e^{\log y - (y * \left(\log z\right) + \left(\log a \cdot \left(t - 1.0\right)\right))_*}} - \frac{b \cdot x}{e^{\log y - (y * \left(\log z\right) + \left(\log a \cdot \left(t - 1.0\right)\right))_*}}} \leadsto \color{blue}{\frac{x}{e^{\log y - (y * \left(\log z\right) + \left(\log a \cdot \left(t - 1.0\right)\right))_*}} - \frac{b \cdot x}{e^{\log y - (y * \left(\log z\right) + \left(\log a \cdot \left(t - 1.0\right)\right))_*}}}\]
      16.8
    12. Applied simplify to get
      \[\frac{x}{e^{\log y - (y * \left(\log z\right) + \left(\log a \cdot \left(t - 1.0\right)\right))_*}} - \frac{b \cdot x}{e^{\log y - (y * \left(\log z\right) + \left(\log a \cdot \left(t - 1.0\right)\right))_*}} \leadsto e^{(y * \left(\log z\right) + \left(\log a \cdot \left(t - 1.0\right)\right))_*} \cdot \left(\frac{x}{y} - \frac{b}{\frac{y}{x}}\right)\]
      0.9

    13. Applied final simplification

    if -2787.4988f0 < (* y (log z)) < 555.9554f0

    1. Started with
      \[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1.0\right) \cdot \log a\right) - b}}{y}\]
      8.3
    2. Applied simplify to get
      \[\color{red}{\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1.0\right) \cdot \log a\right) - b}}{y}} \leadsto \color{blue}{\frac{\frac{x}{e^{b}}}{\frac{\frac{y}{{z}^{y}}}{{a}^{\left(t - 1.0\right)}}}}\]
      2.0
    3. Using strategy rm
      2.0
    4. Applied sub-neg to get
      \[\frac{\frac{x}{e^{b}}}{\frac{\frac{y}{{z}^{y}}}{{a}^{\color{red}{\left(t - 1.0\right)}}}} \leadsto \frac{\frac{x}{e^{b}}}{\frac{\frac{y}{{z}^{y}}}{{a}^{\color{blue}{\left(t + \left(-1.0\right)\right)}}}}\]
      2.0
    5. Applied unpow-prod-up to get
      \[\frac{\frac{x}{e^{b}}}{\frac{\frac{y}{{z}^{y}}}{\color{red}{{a}^{\left(t + \left(-1.0\right)\right)}}}} \leadsto \frac{\frac{x}{e^{b}}}{\frac{\frac{y}{{z}^{y}}}{\color{blue}{{a}^{t} \cdot {a}^{\left(-1.0\right)}}}}\]
      1.9

    if 555.9554f0 < (* y (log z))

    1. Started with
      \[\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1.0\right) \cdot \log a\right) - b}}{y}\]
      24.8
    2. Applied simplify to get
      \[\color{red}{\frac{x \cdot e^{\left(y \cdot \log z + \left(t - 1.0\right) \cdot \log a\right) - b}}{y}} \leadsto \color{blue}{\frac{\frac{x}{e^{b}}}{\frac{\frac{y}{{z}^{y}}}{{a}^{\left(t - 1.0\right)}}}}\]
      31.1
    3. Applied taylor to get
      \[\frac{\frac{x}{e^{b}}}{\frac{\frac{y}{{z}^{y}}}{{a}^{\left(t - 1.0\right)}}} \leadsto \frac{\frac{x}{e^{b}}}{y \cdot a - \left({y}^2 \cdot \left(\log z \cdot a\right) + y \cdot \left(\log a \cdot \left(a \cdot t\right)\right)\right)}\]
      9.6
    4. Taylor expanded around 0 to get
      \[\frac{\frac{x}{e^{b}}}{\color{red}{y \cdot a - \left({y}^2 \cdot \left(\log z \cdot a\right) + y \cdot \left(\log a \cdot \left(a \cdot t\right)\right)\right)}} \leadsto \frac{\frac{x}{e^{b}}}{\color{blue}{y \cdot a - \left({y}^2 \cdot \left(\log z \cdot a\right) + y \cdot \left(\log a \cdot \left(a \cdot t\right)\right)\right)}}\]
      9.6
    5. Applied simplify to get
      \[\color{red}{\frac{\frac{x}{e^{b}}}{y \cdot a - \left({y}^2 \cdot \left(\log z \cdot a\right) + y \cdot \left(\log a \cdot \left(a \cdot t\right)\right)\right)}} \leadsto \color{blue}{\frac{\frac{x}{e^{b}}}{y \cdot a - \left(y \cdot a\right) \cdot (\left(\log z\right) * y + \left(t \cdot \log a\right))_*}}\]
      7.8

  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))