#include <func.h>
Inheritance diagram for punnets_common::func_sineshot:
Public Methods | |
| func_sineshot (real ir, real iomega, real it0) | |
| Constructs a func_sineshot with amplitude r, angle velocity omega, and origin t0. | |
| virtual real | getMaxGradient (ntime_t) const |
| A pure virtual function that returns the max gradient of the function after the time t. | |
| virtual bool | shouldDelete (ntime_t current) |
| Return true if the function will return only zeros after the specified time. | |
| virtual real | getValue (ntime_t t) const |
| A pure virtual function that returns f(t). | |
| virtual real | get1stDeriv (ntime_t t) const |
| A pure virtual function that returns df(t)/dt. | |
| virtual real | get2ndDeriv (ntime_t t) const |
| A pure virtual function that returns d2f(t)/dt2. | |
| virtual ntime_t | getNextIncontinuity (ntime_t from) const |
| virtual void | getValueDomain (ntime_t t, real &upslope, real &ceil, real &downslope, real &floor) const |
| virtual void | get1stDerivDomain (ntime_t t, real &upslope, real &ceil, real &downslope, real &floor) const |
| Obtains a first--order linear envelope of the function. floor < f(t+α) < ceil, f(t)+αdownslope < f(t+α) < f(t)+αupslope. | |
| virtual void | get2ndDerivDomain (ntime_t t, real &upslope, real &ceil, real &downslope, real &floor) const |
| Obtains a second-order linear envelope of the function. floor < f(t+α) < ceil, f(t)+αdownslope < f(t+α) < f(t)+αupslope. | |
| virtual func_sineshot * | clone () |
| Allocates and returns another instance of this function. | |
| virtual std::string | getDescription () |
| Obtains a human-readable description string of this function. | |
| virtual bool | processMessage (ntime_t t, const message_base &m) |
This function represents a single shot (one cycle) of a sinusoidal function f(t) = r sin^2(ω (t - t0)) (t0 <= t <= t0+π/ω).
Definition at line 477 of file func.h.
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A virtual function that returns the next incontinuity point after the time t. In func_base, the function always returns infinity. Reimplemented from punnets_common::func_base. Definition at line 509 of file func.h. References punnets_common::ntime_t.
00509 { return from < t0 ? t0 : mak::Infinity; };
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A virtual function that returns the next incontinuity point after the time t. Although this function has no incontinuity, it returns t0 because the linear envelope is divided at the point. Implements punnets_common::func_base. Definition at line 175 of file func.cpp. References punnets_common::ntime_t, and punnets_common::real.
00176 {
00177 upslope = ceil = downslope = floor = 0.0;
00178 if( t < t0 || t >= t0 + duration )
00179 return;
00180 else
00181 {
00182 real phase = omega_2 * (t - t0);
00183 real phi = phase + M_PI;
00184 if( phi >= 2*M_PI ) phi -= 2*M_PI;
00185 ( r > 0 ? ceil : floor ) = r;
00186 if( phase < 0.5 * M_PI )
00187 {
00188 ( r > 0 ? upslope : downslope ) = omega_2 * r_div_2 * cos( alpha * cos( beta * phi ) + 0.5*M_PI - alpha);
00189 ( r > 0 ? downslope : upslope ) = - omega_2 * r_div_2 * cos( alpha * cos( beta * (phi-M_PI) ) + 0.5*M_PI - alpha);
00190 }
00191 else if( phase < M_PI )
00192 {
00193 ( r > 0 ? upslope : downslope ) = r_div_2 * omega_2 * sin(phase );
00194 ( r > 0 ? downslope : upslope ) = - omega_2 * r_div_2 * cos( alpha * cos( beta * (phi-M_PI) ) + 0.5*M_PI - alpha);
00195 }
00196 else if( phase < 1.5*M_PI )
00197 {
00198 ( r > 0 ? downslope : upslope ) = - omega_2 * r_div_2 * cos( alpha * cos( beta * (phi+M_PI) ) + 0.5*M_PI - alpha);
00199 }
00200 else
00201 {
00202 ( r > 0 ? downslope : upslope ) = r_div_2 * omega_2 * sin(phase);
00203 }
00204 }
00205 }
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Process the specified message at the specified time. Return true if the message is processed. In func_base, this function always returns false (processes no message). Reimplemented from punnets_common::func_base. Definition at line 528 of file func.h. References punnets_common::message_base::getMessageId(), and punnets_common::ntime_t.
00528 {
00529 #ifdef USE_DYNAMIC
00530 if( dynamic_cast<const message_set_t0 *>(&m) != NULL )
00531 #else
00532 if( m.getMessageId() == message_set_t0::messageId )
00533 #endif
00534 {
00535 t0 = t;
00536 return true;
00537 }
00538 return func_base::processMessage(t, m);
00539 }
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1.2.18