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#include <GRBP_math.h>
#include <EDS/TMR.h>
#include <PBI/PTR.h>
Classes | |
struct | _GRBP_probTemporalCtl |
The temporal probability control handle. More... | |
struct | _GRBP_probSpatialCtl |
The temporal probability control handle. More... | |
Typedefs | |
typedef struct _GRBP_probTemporalCtl | GRBP_probTemporalCtl |
Typedef for struct _GRBP_probTemporalCtl. | |
typedef struct _GRBP_probSpatialCtl | GRBP_probSpatialCtl |
Typedef for struct _GRBP_probSpatialCtl. | |
Enumerations | |
enum | GRBP_probTemporalDef { TEMPORAL_LOW_EXP = 28, TEMPORAL_NBITS_EXP = 5, TEMPORAL_NBITS_MAN = 8, TEMPORAL_NBITS = (TEMPORAL_NBITS_EXP + TEMPORAL_NBITS_MAN), TEMPORAL_SIZE = (1 << TEMPORAL_NBITS), TEMPORAL_SHIFT = (FLOAT_V_EXP - TEMPORAL_NBITS_MAN), TEMPORAL_INC = (1 << TEMPORAL_SHIFT), TEMPORAL_BEG, TEMPORAL_ZERO_IDX, TEMPORAL_ZERO_OFFSET = (TEMPORAL_ZERO_IDX * sizeof (float)) } |
enum | GRBP_probSpatialDef { SPATIAL_LOW_EXP = 21, SPATIAL_NBITS_EXP = 5, SPATIAL_NBITS_MAN = 8, SPATIAL_NBITS = (SPATIAL_NBITS_EXP + SPATIAL_NBITS_MAN), SPATIAL_SIZE, SPATIAL_SHIFT = (FLOAT_V_EXP - SPATIAL_NBITS_MAN), SPATIAL_INC = (1 << SPATIAL_SHIFT), SPATIAL_BEG, SPATIAL_ZERO_IDX = (((127<<FLOAT_V_EXP)-(SPATIAL_BEG)) >> SPATIAL_SHIFT), SPATIAL_ZERO_OFFSET = (SPATIAL_ZERO_IDX * sizeof (float)) } |
Functions | |
const GRBP_probTemporalCtl * | GRBP_probTemporalConstruct (void) |
Constructs the lookup table for the time probability calculation. | |
float | GRBP_probTemporalCalculate (const GRBP_probTemporalCtl *ctl, float delta_time) |
Returns the log, base 10, of the temporal probability for the specified time difference delta_time. | |
static __inline float | GRBP__probTemporalCalculate (const GRBP_probTemporalCtl *ctl, float delta_time) |
Computes the temporal probability via a table lookup method. | |
const GRBP_probSpatialCtl * | GRBP_probSpatialConstruct (double log10_costhetamax) |
Constructs the control structure use to when computing the spatial probability. | |
float | GRBP_probSpatialCalculate (const GRBP_probSpatialCtl *ctl, float distance) |
Returns the log, base 10, of the spatial probability for the angular distance distance. | |
static __inline float | GRBP__probSpatialCalculate (const GRBP_probSpatialCtl *ctl, float distance) |
Computes the spatial probability via a table lookup method. | |
static __inline double | calculate_spatial_probability (double distance, double costhetamax) |
Calculate the spatial probabilty. | |
static __inline double | calculate_spatial_log10P (double distance, double costhetamax, double log10_costhetamax) |
Calculate the -log10 (spatial probabilty). | |
static __inline double | calculate_temporal_probability (double delta_time, double background_rate) |
Calculates the temporal probablity for the given delta time. | |
static __inline double | calculate_temporal_log10P (double delta_time, double background_rate) |
Calculates the temporal probablity for the given delta time. | |
static __inline float | calculate (const float *t, float val, int beg, int nman, int nshift, int o_offset) |
Workhorse lookup + optional linear correction routine. |
CVS $Id: GRBP_probCalculate.h,v 1.2 2011/03/30 22:11:51 russell Exp $
static __inline float calculate | ( | const float * | t, | |
float | val, | |||
int | beg, | |||
int | nman, | |||
int | nshift, | |||
int | o_offset | |||
) | [static] |
Workhorse lookup + optional linear correction routine.
t | The function lookup table | |
val | The value to feed the lookup table | |
beg | The lowest value that can be looked up. Values less than this return 0 | |
nman | The number of bits of lookup in the mantissa | |
nshift | The shift amount needed to extract the lookup index from val | |
o_offset | The offset of the high end of the table. Values giving offsets larger than this will be returned as the t[o_offset] |
References FLOAT_V_EXP, _Float::sl, _Float::ul, and _Float::v.
Referenced by GRBP__probSpatialCalculate(), and GRBP__probTemporalCalculate().
static __inline double calculate_spatial_log10P | ( | double | distance, | |
double | costhetamax, | |||
double | log10_costhetamax | |||
) | [static] |
Calculate the -log10 (spatial probabilty).
)
distance | The inter-photon distance expressed as 1 - cos (theta) | |
costhetamax | The maximum that 1 - cos (theta) can be. This is set by the largest angle track that the LAT can accomodate. | |
log10_costhetamax | Precalculated value, log10 (costhetamax) |
static __inline double calculate_spatial_probability | ( | double | distance, | |
double | costhetamax | |||
) | [static] |
Calculate the spatial probabilty.
distance | The inter-photon distance expressed as 1 - cos (theta) | |
costhetamax | The maximum that 1 - cos (theta) can be. This is set by the largest angle track that the LAT can accomodate. |
static __inline double calculate_temporal_log10P | ( | double | delta_time, | |
double | background_rate | |||
) | [static] |
Calculates the temporal probablity for the given delta time.
delta_time | The time difference | |
background_rate | The background rate expected in the cone defining the cluster |
References calculate_temporal_probability().
static __inline double calculate_temporal_probability | ( | double | delta_time, | |
double | background_rate | |||
) | [static] |
Calculates the temporal probablity for the given delta time.
delta_time | The time difference | |
background_rate | The background rate expected in the cone defining the cluster |
Referenced by calculate_temporal_log10P().
static __inline float GRBP__probSpatialCalculate | ( | const GRBP_probSpatialCtl * | ctl, | |
float | distance | |||
) | [static] |
Computes the spatial probability via a table lookup method.
ctl | The spatial probability control structure | |
distance | The angular distance, specified as 1 - dot_product to compute the spatial probability for. |
References calculate(), and _GRBP_probSpatialCtl::table.
Referenced by calc_spatial(), and GRBP_probSpatialCalculate().
static __inline float GRBP__probTemporalCalculate | ( | const GRBP_probTemporalCtl * | ctl, | |
float | delta_time | |||
) | [static] |
Computes the temporal probability via a table lookup method.
ctl | The temporal probability control structure | |
delta_time | The value to compute the temporal probability for |
References calculate(), and _GRBP_probTemporalCtl::table.
Referenced by calc_temporal(), and GRBP_probTemporalCalculate().
float GRBP_probSpatialCalculate | ( | const GRBP_probSpatialCtl * | ctl, | |
float | distance | |||
) |
Returns the log, base 10, of the spatial probability for the angular distance distance.
ctl | The control handle for calculating the spatial probability. | |
distance | The angular separation expressed as 1 - dot_product. |
References GRBP__probSpatialCalculate().
Referenced by GRBP_gammaListSeed(), and GRBP_windowTier2Update().
const GRBP_probSpatialCtl* GRBP_probSpatialConstruct | ( | double | log10_costhetamax | ) |
Constructs the control structure use to when computing the spatial probability.
log10_costhetamax | The log, base 10, of the cosine of the maximum opening angle, in radians. The maximum opening angle is the acceptance and is generally the equivalent of about ~115 degrees. |
References _GRBP_probSpatialCtl::table, _Float::ul, and _Float::v.
Referenced by GRBP_probabilityPrmsEstablish().
float GRBP_probTemporalCalculate | ( | const GRBP_probTemporalCtl * | ctl, | |
float | delta_time | |||
) |
Returns the log, base 10, of the temporal probability for the specified time difference delta_time.
ctl | The control handle for calculating the temporal probability | |
delta_time | The time difference |
References GRBP__probTemporalCalculate().
Referenced by GRBP_gammaListSeed(), and GRBP_windowTier2Update().