/usr/include/libspreadsheet-1.12/spreadsheet/mathfunc.h is in gnumeric 1.12.35-1.1.
This file is owned by root:root, with mode 0o644.
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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 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 | /* vim: set sw=8: -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
#ifndef _GNM_MATHFUNC_H_
# define _GNM_MATHFUNC_H_
#include "numbers.h"
#include <math.h>
#include <glib.h>
#include "gnumeric.h"
G_BEGIN_DECLS
#ifdef qgamma
/* It was reported that mips-sgi-irix6.5 has a weird and conflicting define
for qgamma. See bug 1689. */
#warning "Your <math.h> is somewhat broken; we'll work around that."
#undef qgamma
#endif
#define M_PIgnum GNM_const(3.141592653589793238462643383279502884197169399375105820974944592307816406286208998628034825342117)
#define M_PI_2gnum (M_PIgnum / 2)
/* The following are very good given a good compiler. */
#define M_LN2gnum GNM_const(0.693147180559945309417232121458176568075500134360255254120680009493393621969694715605863326996419)
#define M_LN10gnum GNM_const(2.302585092994045684017991454684364207601101488628772976033327900967572609677352480235997205089598)
#define M_LN10INVgnum GNM_const(0.434294481903251827651128918916605082294397005803666566114)
#define M_SQRT2gnum GNM_const(1.414213562373095048801688724209698078569671875376948073176679737990732478462107038850387534327642)
#define M_Egnum GNM_const(2.718281828459045235360287471352662497757247)
#define M_LN_SQRT_2PI GNM_const(0.918938533204672741780329736406) /* log(sqrt(2*pi)) */
/* ------------------------------------------------------------------------- */
gnm_float log1pmx (gnm_float x);
gnm_float swap_log_tail (gnm_float lp);
gnm_float pow1p (gnm_float x, gnm_float y);
gnm_float pow1pm1 (gnm_float x, gnm_float y);
gnm_float gnm_trunc (gnm_float x);
gnm_float logspace_add (gnm_float logx, gnm_float logy);
gnm_float logspace_sub (gnm_float logx, gnm_float logy);
gnm_float gnm_owent (gnm_float h, gnm_float a);
gnm_float gnm_logcf (gnm_float x, gnm_float i, gnm_float d);
gnm_float expmx2h (gnm_float x);
gnm_float agm(gnm_float a, gnm_float b);
/* "d": density. */
/* "p": distribution function. */
/* "q": inverse distribution function. */
/* The normal distribution. */
gnm_float pnorm (gnm_float x, gnm_float mu, gnm_float sigma, gboolean lower_tail, gboolean log_p);
gnm_float qnorm (gnm_float p, gnm_float mu, gnm_float sigma, gboolean lower_tail, gboolean log_p);
/* The gamma distribution. */
gnm_float dgamma (gnm_float x, gnm_float shape, gnm_float scale, gboolean give_log);
gnm_float pgamma (gnm_float x, gnm_float shape, gnm_float scale, gboolean lower_tail, gboolean log_p);
gnm_float qgamma (gnm_float p, gnm_float shape, gnm_float scale, gboolean lower_tail, gboolean log_p);
/* The beta distribution. */
gnm_float dbeta (gnm_float x, gnm_float a, gnm_float b, gboolean give_log);
gnm_float pbeta (gnm_float x, gnm_float a, gnm_float b, gboolean lower_tail, gboolean log_p);
gnm_float qbeta (gnm_float p, gnm_float a, gnm_float b, gboolean lower_tail, gboolean log_p);
/* The t distribution. */
gnm_float dt (gnm_float x, gnm_float n, gboolean give_log);
gnm_float pt (gnm_float x, gnm_float n, gboolean lower_tail, gboolean log_p);
gnm_float qt (gnm_float p, gnm_float n, gboolean lower_tail, gboolean log_p);
/* The F distribution. */
gnm_float df (gnm_float x, gnm_float n1, gnm_float n2, gboolean give_log);
gnm_float pf (gnm_float x, gnm_float n1, gnm_float n2, gboolean lower_tail, gboolean log_p);
gnm_float qf (gnm_float p, gnm_float n1, gnm_float n2, gboolean lower_tail, gboolean log_p);
/* The chi-squared distribution. */
gnm_float dchisq (gnm_float x, gnm_float df, gboolean give_log);
gnm_float pchisq (gnm_float x, gnm_float df, gboolean lower_tail, gboolean log_p);
gnm_float qchisq (gnm_float p, gnm_float df, gboolean lower_tail, gboolean log_p);
/* The Weibull distribution. */
gnm_float dweibull (gnm_float x, gnm_float shape, gnm_float scale, gboolean give_log);
gnm_float pweibull (gnm_float x, gnm_float shape, gnm_float scale, gboolean lower_tail, gboolean log_p);
gnm_float qweibull (gnm_float p, gnm_float shape, gnm_float scale, gboolean lower_tail, gboolean log_p);
/* The Poisson distribution. */
gnm_float dpois (gnm_float x, gnm_float lambda, gboolean give_log);
gnm_float ppois (gnm_float x, gnm_float lambda, gboolean lower_tail, gboolean log_p);
gnm_float qpois (gnm_float p, gnm_float lambda, gboolean lower_tail, gboolean log_p);
/* The exponential distribution. */
gnm_float dexp (gnm_float x, gnm_float scale, gboolean give_log);
gnm_float pexp (gnm_float x, gnm_float scale, gboolean lower_tail, gboolean log_p);
gnm_float qexp (gnm_float p, gnm_float scale, gboolean lower_tail, gboolean log_p);
/* Binomial distribution. */
gnm_float dbinom (gnm_float x, gnm_float n, gnm_float psuc, gboolean give_log);
gnm_float pbinom (gnm_float x, gnm_float n, gnm_float psuc, gboolean lower_tail, gboolean log_p);
gnm_float pbinom2 (gnm_float x0, gnm_float x1, gnm_float n, gnm_float p);
gnm_float qbinom (gnm_float p, gnm_float n, gnm_float psuc, gboolean lower_tail, gboolean log_p);
/* Negative binomial distribution. */
gnm_float dnbinom (gnm_float x, gnm_float n, gnm_float psuc, gboolean give_log);
gnm_float pnbinom (gnm_float x, gnm_float n, gnm_float psuc, gboolean lower_tail, gboolean log_p);
gnm_float qnbinom (gnm_float p, gnm_float n, gnm_float psuc, gboolean lower_tail, gboolean log_p);
/* Hyper-geometrical distribution. */
gnm_float dhyper (gnm_float x, gnm_float r, gnm_float b, gnm_float n, gboolean give_log);
gnm_float phyper (gnm_float x, gnm_float r, gnm_float b, gnm_float n, gboolean lower_tail, gboolean log_p);
/* Geometric distribution. */
gnm_float dgeom (gnm_float x, gnm_float psuc, gboolean give_log);
gnm_float pgeom (gnm_float x, gnm_float psuc, gboolean lower_tail, gboolean log_p);
gnm_float qgeom (gnm_float p, gnm_float psuc, gboolean lower_tail, gboolean log_p);
/* Cauchy distribution. */
gnm_float dcauchy (gnm_float x, gnm_float location, gnm_float scale, gboolean give_log);
gnm_float pcauchy (gnm_float x, gnm_float location, gnm_float scale, gboolean lower_tail, gboolean log_p);
/* The probability density functions. */
gnm_float random_exppow_pdf (gnm_float x, gnm_float a, gnm_float b);
gnm_float random_laplace_pdf (gnm_float x, gnm_float a);
/* Studentized range distribution */
/* Note: argument order differs from R. */
gnm_float ptukey(gnm_float x, gnm_float nmeans, gnm_float df, gnm_float nranges, gboolean lower_tail, gboolean log_p);
gnm_float qtukey(gnm_float p, gnm_float nmeans, gnm_float df, gnm_float nranges, gboolean lower_tail, gboolean log_p);
/* ------------------------------------------------------------------------- */
/* Matrix functions. */
struct GnmMatrix_ {
gnm_float **data; /* [y][x] */
int cols, rows;
};
GnmMatrix *gnm_matrix_new (int rows, int cols); /* Note the order: y then x. */
void gnm_matrix_free (GnmMatrix *m);
GnmMatrix *gnm_matrix_from_value (GnmValue const *v, GnmValue **perr, GnmEvalPos const *ep);
GnmValue *gnm_matrix_to_value (GnmMatrix const *m);
gboolean gnm_matrix_is_empty (GnmMatrix const *m);
void gnm_matrix_multiply (GnmMatrix *C, const GnmMatrix *A, const GnmMatrix *B);
gboolean gnm_matrix_eigen (GnmMatrix const *m, GnmMatrix *EIG, gnm_float *eigenvalues);
gboolean gnm_matrix_modified_cholesky (GnmMatrix const *A,
GnmMatrix *L,
gnm_float *D,
gnm_float *E,
int *P);
GORegressionResult gnm_linear_solve_posdef (GnmMatrix const *A, const gnm_float *b,
gnm_float *x);
GORegressionResult gnm_linear_solve (GnmMatrix const *A, const gnm_float *b,
gnm_float *x);
GORegressionResult gnm_linear_solve_multiple (GnmMatrix const *A, GnmMatrix *B);
/* ------------------------------------------------------------------------- */
void mathfunc_init (void);
/* ------------------------------------------------------------------------- */
G_END_DECLS
#endif /* _GNM_MATHFUNC_H_ */
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