Square root of x.
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#include <JMathlib.hh>
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| JSqrt () |
| Default constructor.
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double | getValue (const double x) const |
| Function value.
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double | getDerivative (const double x) const |
| Derivative value.
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const JSqrt & | getGradient (const double x) const |
| Get gradient.
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double | operator() (const Args &...args) const |
| Function value.
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JSqrt< _vF > & | negate () |
| Negate function.
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JSqrt< _vF > & | add (const JSqrt< _vF > &f1) |
| Add function.
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JSqrt< _vF > & | sub (const JSqrt< _vF > &f1) |
| Subtract function.
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JSqrt< _vF > & | mul (const double factor) |
| Scale function.
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JSqrt< _vF > & | div (const double factor) |
| Scale function.
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Square root of x.
Definition at line 2146 of file JMathlib.hh.
◆ JSqrt()
◆ getValue()
double JMATH::JSqrt< _vF >::getValue |
( |
const double | x | ) |
const |
|
inline |
Function value.
- Parameters
-
- Returns
- function value
Definition at line 2166 of file JMathlib.hh.
2167 {
2168 return sqrt(x);
2169 }
◆ getDerivative()
double JMATH::JSqrt< _vF >::getDerivative |
( |
const double | x | ) |
const |
|
inline |
Derivative value.
- Parameters
-
- Returns
- derivative value
Definition at line 2178 of file JMathlib.hh.
2179 {
2180 return 0.5 / sqrt(x);
2181 }
◆ getGradient()
Get gradient.
- Parameters
-
- Returns
- gradient
Definition at line 2190 of file JMathlib.hh.
2191 {
2192 static JSqrt gradient;
2193
2194 return gradient;
2195 }
JSqrt()
Default constructor.
◆ operator()()
Function value.
- Parameters
-
- Returns
- function value
Definition at line 362 of file JMathlib.hh.
363 {
364 return static_cast<const JF1_t&
>(*this).getValue(
args...);
365 }
◆ negate()
Negate function.
- Returns
- this function
Definition at line 203 of file JMathlib.hh.
204 {
205 for (const auto& i : JF1_t::parameters) {
206 static_cast<JF1_t&>(*this).*i = -(static_cast<JF1_t&>(*this).*i);
207 }
208
209 return static_cast<JF1_t&>(*this);
210 }
◆ add()
Add function.
- Parameters
-
- Returns
- this function
Definition at line 219 of file JMathlib.hh.
220 {
221 for (const auto& i : JF1_t::parameters) {
222 static_cast<JF1_t&
>(*this).*i +=
f1.*i;
223 }
224
225 return static_cast<JF1_t&>(*this);
226 }
const JPolynome f1(1.0, 2.0, 3.0)
Function.
◆ sub()
Subtract function.
- Parameters
-
- Returns
- this function
Definition at line 235 of file JMathlib.hh.
236 {
237 for (const auto& i : JF1_t::parameters) {
238 static_cast<JF1_t&
>(*this).*i -=
f1.*i;
239 }
240
241 return static_cast<JF1_t&>(*this);
242 }
◆ mul()
Scale function.
- Parameters
-
- Returns
- this function
Definition at line 251 of file JMathlib.hh.
252 {
253 for (const auto& i : JF1_t::parameters) {
254 static_cast<JF1_t&>(*this).*i *= factor;
255 }
256
257 return static_cast<JF1_t&>(*this);
258 }
◆ div()
Scale function.
- Parameters
-
- Returns
- this function
Definition at line 267 of file JMathlib.hh.
268 {
269 for (const auto& i : JF1_t::parameters) {
270 static_cast<JF1_t&>(*this).*i /= factor;
271 }
272
273 return static_cast<JF1_t&>(*this);
274 }
◆ parameters
The documentation for this struct was generated from the following file: