ltraload.c

spice中支持多层次元件模型仿真的可单独运行的插件源码

		      *(here->LTRAv1 + isaved + 1),
		      v1d);
		  fprintf(stdout, "	timepoints are: %1.8g %1.8g %1.8g %1.8g\n", t1, t2, t3, ckt->CKTtime - model->LTRAtd);
#endif
		} else {

		  v1d = *(here->LTRAv1 + isaved) * lf2
		      + *(here->LTRAv1 + isaved + 1) *
		      lf3;
		}

	      }
	      if ((isaved != 0) &&
		  ((model->LTRAhowToInterp ==
			  LTRA_MOD_QUADINTERP) ||
		      (model->LTRAhowToInterp ==
			  LTRA_MOD_MIXEDINTERP))) {

		i1d = *(here->LTRAi1 + isaved - 1) * qf1
		    + *(here->LTRAi1 + isaved) * qf2
		    + *(here->LTRAi1 + isaved + 1) * qf3;

		max = MAX(*(here->LTRAi1 + isaved - 1),
		    *(here->LTRAi1 + isaved));
		max = MAX(max, *(here->LTRAi1 + isaved + 1));
		min = MIN(*(here->LTRAi1 + isaved - 1),
		    *(here->LTRAi1 + isaved));
		min = MIN(min, *(here->LTRAi1 + isaved + 1));

	      }
	      if ((model->LTRAhowToInterp ==
		      LTRA_MOD_LININTERP) || (isaved == 0) ||
		  ((isaved != 0) &&
		      ((model->LTRAhowToInterp ==
			      LTRA_MOD_QUADINTERP) ||
			  (model->LTRAhowToInterp ==
			      LTRA_MOD_MIXEDINTERP)) &&
		      ((i1d > max) || (i1d < min)))) {


		if ((isaved != 0) &&
		    (model->LTRAhowToInterp ==
			LTRA_MOD_QUADINTERP)) {
#ifdef LTRADEBUG
		  fprintf(stdout, "LTRAload: warning: interpolated i1 is out of range after timepoint %d\n", ckt->CKTtimeIndex);
		  fprintf(stdout, "	values: %1.8g %1.8g %1.8g; interpolated: %1.8g\n",
		      *(here->LTRAi1 + isaved - 1),
		      *(here->LTRAi1 + isaved),
		      *(here->LTRAi1 + isaved + 1),
		      i1d);
		  fprintf(stdout, "	timepoints are: %1.8g %1.8g %1.8g %1.8g\n", t1, t2, t3, ckt->CKTtime - model->LTRAtd);
#endif
		} else {

		  i1d = *(here->LTRAi1 + isaved) * lf2
		      + *(here->LTRAi1 + isaved + 1) *
		      lf3;
		}

	      }
	      if ((isaved != 0) &&
		  ((model->LTRAhowToInterp ==
			  LTRA_MOD_QUADINTERP) ||
		      (model->LTRAhowToInterp ==
			  LTRA_MOD_MIXEDINTERP))) {

		v2d = *(here->LTRAv2 + isaved - 1) * qf1
		    + *(here->LTRAv2 + isaved) * qf2
		    + *(here->LTRAv2 + isaved + 1) * qf3;

		max = MAX(*(here->LTRAv2 + isaved - 1),
		    *(here->LTRAv2 + isaved));
		max = MAX(max, *(here->LTRAv2 + isaved + 1));
		min = MIN(*(here->LTRAv2 + isaved - 1),
		    *(here->LTRAv2 + isaved));
		min = MIN(min, *(here->LTRAv2 + isaved + 1));

	      }
	      if ((model->LTRAhowToInterp ==
		      LTRA_MOD_LININTERP) || (isaved == 0) ||
		  ((isaved != 0) &&
		      ((model->LTRAhowToInterp ==
			      LTRA_MOD_QUADINTERP) ||
			  (model->LTRAhowToInterp ==
			      LTRA_MOD_MIXEDINTERP)) &&
		      ((v2d > max) || (v2d < min)))) {


		if ((isaved != 0) &&
		    (model->LTRAhowToInterp ==
			LTRA_MOD_QUADINTERP)) {
#ifdef LTRADEBUG
		  fprintf(stdout, "LTRAload: warning: interpolated v2 is out of range after timepoint %d\n", ckt->CKTtimeIndex);
		  fprintf(stdout, "	values: %1.8g %1.8g %1.8g; interpolated: %1.8g\n",
		      *(here->LTRAv2 + isaved - 1),
		      *(here->LTRAv2 + isaved),
		      *(here->LTRAv2 + isaved + 1),
		      v2d);
		  fprintf(stdout, "	timepoints are: %1.8g %1.8g %1.8g %1.8g\n", t1, t2, t3, ckt->CKTtime - model->LTRAtd);
#endif
		} else {

		  v2d = *(here->LTRAv2 + isaved) * lf2
		      + *(here->LTRAv2 + isaved + 1) *
		      lf3;
		}

	      }
	      if ((isaved != 0) &&
		  ((model->LTRAhowToInterp ==
			  LTRA_MOD_QUADINTERP) ||
		      (model->LTRAhowToInterp ==
			  LTRA_MOD_MIXEDINTERP))) {

		i2d = *(here->LTRAi2 + isaved - 1) * qf1
		    + *(here->LTRAi2 + isaved) * qf2
		    + *(here->LTRAi2 + isaved + 1) * qf3;

		max = MAX(*(here->LTRAi2 + isaved - 1),
		    *(here->LTRAi2 + isaved));
		max = MAX(max, *(here->LTRAi2 + isaved + 1));
		min = MIN(*(here->LTRAi2 + isaved - 1),
		    *(here->LTRAi2 + isaved));
		min = MIN(min, *(here->LTRAi2 + isaved + 1));

	      }
	      if ((model->LTRAhowToInterp ==
		      LTRA_MOD_LININTERP) || (isaved == 0) ||
		  ((isaved != 0) &&
		      ((model->LTRAhowToInterp ==
			      LTRA_MOD_QUADINTERP) ||
			  (model->LTRAhowToInterp ==
			      LTRA_MOD_MIXEDINTERP)) &&
		      ((i2d > max) || (i2d < min)))) {


		if ((isaved != 0) &&
		    (model->LTRAhowToInterp ==
			LTRA_MOD_QUADINTERP)) {
#ifdef LTRADEBUG
		  fprintf(stdout, "LTRAload: warning: interpolated i2 is out of range after timepoint %d\n", ckt->CKTtimeIndex);
		  fprintf(stdout, "	values: %1.8g %1.8g %1.8g; interpolated: %1.8g\n",
		      *(here->LTRAi2 + isaved - 1),
		      *(here->LTRAi2 + isaved),
		      *(here->LTRAi2 + isaved + 1),
		      i2d);
		  fprintf(stdout, "	timepoints are: %1.8g %1.8g %1.8g %1.8g\n", t1, t2, t3, ckt->CKTtime - model->LTRAtd);
#endif
		} else {

		  i2d = *(here->LTRAi2 + isaved) * lf2
		      + *(here->LTRAi2 + isaved + 1) *
		      lf3;
		}

	      }
	    }
	    /* interpolation done */
	    break;

	  case LTRA_MOD_RC:
	    break;

	  default:
	    return (E_BADPARM);
	  }

	  switch (model->LTRAspecialCase) {
	  case LTRA_MOD_RLC:

	    /* begin convolution parts */

	    /* convolution of h1dash with v1 and v2 */
	    /* the matrix has already been loaded above */

	    dummy1 = dummy2 = 0.0;
	    for (i = /* model->LTRAh1dashIndex */ ckt->CKTtimeIndex; i > 0; i--) {
	      if (*(model->LTRAh1dashCoeffs + i) != 0.0) {
		dummy1 += *(model->LTRAh1dashCoeffs
		    + i) * (*(here->LTRAv1 + i) -
		    here->LTRAinitVolt1);
		dummy2 += *(model->LTRAh1dashCoeffs
		    + i) * (*(here->LTRAv2 + i) -
		    here->LTRAinitVolt2);
	      }
	    }

	    dummy1 += here->LTRAinitVolt1 *
		model->LTRAintH1dash;
	    dummy2 += here->LTRAinitVolt2 *
		model->LTRAintH1dash;

	    dummy1 -= here->LTRAinitVolt1 *
		model->LTRAh1dashFirstCoeff;
	    dummy2 -= here->LTRAinitVolt2 *
		model->LTRAh1dashFirstCoeff;

	    here->LTRAinput1 -= dummy1 * model->LTRAadmit;
	    here->LTRAinput2 -= dummy2 * model->LTRAadmit;

	    /* end convolution of h1dash with v1 and v2 */

	    /* convolution of h2 with i2 and i1 */

	    dummy1 = dummy2 = 0.0;
	    if (tdover) {

	      /* the term for ckt->CKTtime - model->LTRAtd */

	      dummy1 = (i2d - here->LTRAinitCur2) *
		  model->LTRAh2FirstCoeff;
	      dummy2 = (i1d - here->LTRAinitCur1) *
		  model->LTRAh2FirstCoeff;

	      /* the rest of the convolution */

	      for (i = /* model->LTRAh2Index */ model->LTRAauxIndex; i > 0; i--) {

		if (*(model->LTRAh2Coeffs + i) != 0.0) {
		  dummy1 += *(model->LTRAh2Coeffs
		      + i) * (*(here->LTRAi2 + i) -
		      here->LTRAinitCur2);
		  dummy2 += *(model->LTRAh2Coeffs
		      + i) * (*(here->LTRAi1 + i) -
		      here->LTRAinitCur1);
		}
	      }
	    }
	    /* the initial-condition terms */

	    dummy1 += here->LTRAinitCur2 *
		model->LTRAintH2;
	    dummy2 += here->LTRAinitCur1 *
		model->LTRAintH2;

	    here->LTRAinput1 += dummy1;
	    here->LTRAinput2 += dummy2;

	    /* end convolution of h2 with i2 and i1 */

	    /* convolution of h3dash with v2 and v1 */

	    /* the term for ckt->CKTtime - model->LTRAtd */

	    dummy1 = dummy2 = 0.0;
	    if (tdover) {

	      dummy1 = (v2d - here->LTRAinitVolt2) *
		  model->LTRAh3dashFirstCoeff;
	      dummy2 = (v1d - here->LTRAinitVolt1) *
		  model->LTRAh3dashFirstCoeff;

	      /* the rest of the convolution */

	      for (i = /* model->LTRAh3dashIndex */ model->LTRAauxIndex; i > 0; i--) {
		if (*(model->LTRAh3dashCoeffs + i) != 0.0) {
		  dummy1 += *(model->LTRAh3dashCoeffs
		      + i) * (*(here->LTRAv2 + i) -
		      here->LTRAinitVolt2);
		  dummy2 += *(model->LTRAh3dashCoeffs
		      + i) * (*(here->LTRAv1 + i) -
		      here->LTRAinitVolt1);
		}
	      }
	    }
	    /* the initial-condition terms */

	    dummy1 += here->LTRAinitVolt2 *
		model->LTRAintH3dash;
	    dummy2 += here->LTRAinitVolt1 *
		model->LTRAintH3dash;

	    here->LTRAinput1 += model->LTRAadmit * dummy1;
	    here->LTRAinput2 += model->LTRAadmit * dummy2;

	    /* end convolution of h3dash with v2 and v1 */

	  case LTRA_MOD_LC:
	    /* begin lossless-like parts */

	    if (!tdover) {

	      here->LTRAinput1 += model->LTRAattenuation *
		  (here->LTRAinitVolt2 * model->LTRAadmit +
		  here->LTRAinitCur2);
	      here->LTRAinput2 += model->LTRAattenuation *
		  (here->LTRAinitVolt1 * model->LTRAadmit +
		  here->LTRAinitCur1);

	    } else {

	      here->LTRAinput1 += model->LTRAattenuation *
		  (v2d * model->LTRAadmit + i2d);
	      here->LTRAinput2 += model->LTRAattenuation *
		  (v1d * model->LTRAadmit + i1d);

	    }

	    /* end lossless-like parts */
	    break;

	  case LTRA_MOD_RC:


	    /* begin convolution parts */

	    /* convolution of h1dash with v1 and v2 */
	    /* the matrix has already been loaded above */

	    dummy1 = 0.0;
	    dummy2 = 0.0;
	    for (i = ckt->CKTtimeIndex; i > 0; i--) {
	      if (*(model->LTRAh1dashCoeffs + i) != 0.0) {
		dummy1 += *(model->LTRAh1dashCoeffs
		    + i) * (*(here->LTRAv1 + i) -
		    here->LTRAinitVolt1);
		dummy2 += *(model->LTRAh1dashCoeffs
		    + i) * (*(here->LTRAv2 + i) -
		    here->LTRAinitVolt2);
	      }
	    }

	    /* the initial condition terms */

	    dummy1 += here->LTRAinitVolt1 *
		model->LTRAintH1dash;
	    dummy2 += here->LTRAinitVolt2 *
		model->LTRAintH1dash;

	    /*
	     * the constant contributed by the init condition and the latest
	     * timepoint
	     */

	    dummy1 -= here->LTRAinitVolt1 *
		model->LTRAh1dashFirstCoeff;
	    dummy2 -= here->LTRAinitVolt2 *
		model->LTRAh1dashFirstCoeff;

	    here->LTRAinput1 -= dummy1;
	    here->LTRAinput2 -= dummy2;

	    /* end convolution of h1dash with v1 and v2 */


	    /* convolution of h2 with i2 and i1 */

	    dummy1 = dummy2 = 0.0;

	    for (i = ckt->CKTtimeIndex; i > 0; i--) {
	      if (*(model->LTRAh2Coeffs + i) != 0.0) {
		dummy1 += *(model->LTRAh2Coeffs
		    + i) * (*(here->LTRAi2 + i) -
		    here->LTRAinitCur2);
		dummy2 += *(model->LTRAh2Coeffs
		    + i) * (*(here->LTRAi1 + i) -
		    here->LTRAinitCur1);
	      }
	    }

	    /* the initial-condition terms */

	    dummy1 += here->LTRAinitCur2 *
		model->LTRAintH2;
	    dummy2 += here->LTRAinitCur1 *
		model->LTRAintH2;

	    dummy1 -= here->LTRAinitCur2 *
		model->LTRAh2FirstCoeff;
	    dummy2 -= here->LTRAinitCur1 *
		model->LTRAh2FirstCoeff;

	    here->LTRAinput1 += dummy1;
	    here->LTRAinput2 += dummy2;

	    /* end convolution of h2 with i2 and i1 */

	    /* convolution of h3dash with v2 and v1 */


	    dummy1 = dummy2 = 0.0;


	    for (i = ckt->CKTtimeIndex; i > 0; i--) {
	      if (*(model->LTRAh3dashCoeffs + i) != 0.0) {
		dummy1 += *(model->LTRAh3dashCoeffs
		    + i) * (*(here->LTRAv2 + i) -
		    here->LTRAinitVolt2);
		dummy2 += *(model->LTRAh3dashCoeffs
		    + i) * (*(here->LTRAv1 + i) -
		    here->LTRAinitVolt1);
	      }
	    }

	    /* the initial-condition terms */

	    dummy1 += here->LTRAinitVolt2 *
		model->LTRAintH3dash;
	    dummy2 += here->LTRAinitVolt1 *
		model->LTRAintH3dash;

	    dummy1 -= here->LTRAinitVolt2 *
		model->LTRAh3dashFirstCoeff;
	    dummy2 -= here->LTRAinitVolt1 *
		model->LTRAh3dashFirstCoeff;

	    here->LTRAinput1 += dummy1;
	    here->LTRAinput2 += dummy2;

	    /* end convolution of h3dash with v2 and v1 */

	    break;

	  default:
	    return (E_BADPARM);
	  }
	}
	/* load the RHS - done every time this routine is called */

	*(ckt->CKTrhs + here->LTRAbrEq1) += here->LTRAinput1;
	*(ckt->CKTrhs + here->LTRAbrEq2) += here->LTRAinput2;

      }
    }
  }
  return (OK);
}