Actual source code: adintr_frexp.c

petsc-3.3-p7 2013-05-11
  1: /*
  2:   macro expansion:
  3:   function_driver -> adintr_frexp
  4:   exception number -> ADINTR_FREXP
  5:   exceptional code -> 

  7:   */

  9: #include <stdarg.h>
 10: #include <adintrinsics.h>
 11: #include <knr-compat.h>
 12: #if defined(__cplusplus)
 13: extern "C" {
 14: #endif

 16: /* #include "report-once.h" */
 17: void reportonce_accumulate Proto((int,int,int));


 20: /* The fy must be on a line by itself to be removed for funcs like sin(x). */
 21: void
 22: adintr_frexp (int deriv_order, int file_number, int line_number,
 23:                  double*fx, double*fy,...)
 24: {
 25:      /* Hack to make assignments to (*fxx) et alia OK, regardless */
 26:      double scratch;
 27:      double *fxx = &scratch;
 28:      double *fxy = &scratch;
 29:      double *fyy = &scratch;

 31:      const int exception = ADINTR_FREXP;

 33:      va_list argptr;
 34:      va_start(argptr,fy);

 36:      if (deriv_order == 2)
 37:      {
 38:           fxx = va_arg(argptr, double *);
 39:           fxy = va_arg(argptr, double *);
 40:           fyy = va_arg(argptr, double *);
 41:      }

 43:      /* Here is where exceptional partials should be set. */
 44:      *fxx = ADIntr_Partials[ADINTR_FREXP][ADINTR_FXX];
 45:      *fxy = ADIntr_Partials[ADINTR_FREXP][ADINTR_FXY];
 46:      *fyy = ADIntr_Partials[ADINTR_FREXP][ADINTR_FYY];


 49:      /* Here is where we perform the action appropriate to the current mode. */
 50:      if (ADIntr_Mode == ADINTR_REPORTONCE)
 51:      {
 52:           reportonce_accumulate(file_number, line_number, exception);
 53:      }
 54: 
 55:      va_end(argptr);
 56: }
 57: #if defined(__cplusplus)
 58: }
 59: #endif