/usr/include/nrn/membdef.h is in neuron-dev 7.5-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 | /* /local/src/master/nrn/src/nrnoc/membdef.h,v 1.2 1995/02/13 20:20:42 hines Exp */
/* numerical parameters */
#define DEF_nseg 1 /* default number of segments per section*/
#define DEF_dt .025 /* ms */
#define DEF_secondorder 0 /* >0 means crank-nicolson. 2 means current
adjusted to t+dt/2 */
/*global parameters */
#define DEF_Ra 35.4 /* ohm-cm */ /*changed from 34.5 on 1/6/95*/
#define DEF_celsius 6.3 /* deg-C */
#define DEF_vrest -65. /* mV */
#if SEJNOWSKI
/* fsyn/fcon */
#define DEF_spikethresh -10. /* mV (fcon) */
#define DEF_tablesize 200 /* size of lookup table for alpha fxns (both) */
#define DEF_max_syn 10000 /* max synapses per fsyn call */
#define DEF_max_con 1000 /* sqrt of max connectivity for fcon */
#define MIN_DELAY .5 /* min delay for randomly generated delays (fcon) */
#define MIN_GMAX 0. /* min gmax for randomly generated gmax (both) */
#define MIN_ISI 1.0 /* min interval between syn activation (msec) (both) */
#define QLEN 10 /* max number of spikes in epspq (fcon) */
/* for use with flag() */
#define SYN_TYPE_FLAG (int)1 /* Stimulus type (fsyn) */
#define TRAIN_FLAG (int)2 /* Stimulus train (fsyn) */
#define DENSE_FLAG (int)1 /* Randomize pre, post or both (fcon) */
#define SELF_CON_FLAG (int)2 /* Allow for self connections (fcon) */
#define CON_TYPE_FLAG (int)3 /* Stimulus type (fcon) */
/* used by parameter dump when dump_flag == 1. (see pdump.c) */
#define LINE_LEN 78 /* line length */
#define IFSEC_INDENT 4 /* how far to indent ifsec */
#define MECH_INDENT 22 /* how far from begin of line to indent mechs */
#define MAX_BLANK MECH_INDENT + 10 /* max blanks stored for use in indenting */
#endif
/* old point process parameters */
/* fclamp */
#define DEF_clamp_resist 1e-3 /* megohm */
/* Parameters that are used in mechanism _alloc() procedures */
/* cable */
#define DEF_L 100. /* microns */
#define DEF_rallbranch 1.
/* morphology */
#define DEF_diam 500. /* microns */
/* capacitance */
#define DEF_cm 1. /* uF/cm^2 */
/* fast passive (e_p and g_p)*/
#define DEF_e DEF_vrest /* mV */
#define DEF_g 5.e-4 /* S/cm^2 */
/* na_ion */
#define DEF_nai 10. /* mM */
#define DEF_nao 140. /* mM */
#define DEF_ena (115. + DEF_vrest) /* mV */
/* k_ion */
#define DEF_ki 54.4 /* mM */
#define DEF_ko 2.5 /* mM */
#define DEF_ek (-12. + DEF_vrest) /* mV */
/* ca_ion -> any program that uses DEF_eca must include <math.h> */
#define DEF_cai 5.e-5 /* mM */
#define DEF_cao 2. /* mM */
#include <math.h>
#define DEF_eca 12.5 *log(DEF_cao / DEF_cai) /* mV */
/* default ion values */
#define DEF_ioni 1. /* mM */
#define DEF_iono 1. /* mM */
#define DEF_eion 0. /* mV */
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