include/math.h

221

double lgamma(double);

include/tgmath.h

140

#define lgamma(x) __tg_simple(x, lgamma)

lib/libm/hidden/math.h

119

PROTO_NORMAL(lgamma);

lib/libm/src/w_lgamma.c

31

DEF_STD(lgamma);

lib/libm/src/w_lgamma.c

32

LDBL_MAYBE_CLONE(lgamma);

regress/lib/libm/cephes/testvect.c

241

{"lgamma", lgamma, &NAN, &NAN, 0},

regress/lib/libm/cephes/testvect.c

242

{"lgamma", lgamma, &INF, &INF, 0},

regress/lib/libm/cephes/testvect.c

243

{"lgamma", lgamma, &MONE, &INF, 0},

regress/lib/libm/cephes/testvect.c

244

{"lgamma", lgamma, &ZERO, &INF, 0},

regress/lib/libm/cephes/testvect.c

245

{"lgamma", lgamma, &MINF, &INF, 0},

regress/lib/libm/cephes/testvect.c

78

double lgamma (double);

regress/lib/libm/fpaccuracy/Gamma.c

1607

double exp( double x ), lgamma( double x );

regress/lib/libm/fpaccuracy/Gamma.c

1610

t = exp(lgamma(x)); return(t*signgam); }

regress/lib/libm/fpaccuracy/lgamma.c

25

#define F lgamma

regress/lib/libm/lgamma/lgamma.c

17

assert(isnan(lgamma(NAN)));

regress/lib/libm/lgamma/lgamma.c

21

assert(lgamma(-HUGE_VAL) == HUGE_VAL && signgam == 1);

regress/lib/libm/lgamma/lgamma.c

28

assert(lgamma(HUGE_VAL) == HUGE_VAL && signgam == 1);

regress/lib/libm/lgamma/lgamma.c

35

assert(lgamma(-0.0) == HUGE_VAL && signgam == -1);

regress/lib/libm/lgamma/lgamma.c

42

assert(lgamma(0.0) == HUGE_VAL && signgam == 1);

regress/lib/libm/lgamma/lgamma.c

49

assert(lgamma(1.0) == 0.0 && signgam == 1);

regress/lib/libm/lgamma/lgamma.c

56

assert(fabs(lgamma(3.0) - M_LN2) < DBL_EPSILON && signgam == 1);