libm-test-ulps

Glibc 2.3.2源代码(解压后有100多M)

idouble: 3
ifloat: 1
Test "jn (3, 2.0) == 0.128943249474402051098793332969239835":
double: 1
float: 2
idouble: 1
ifloat: 2

# lgamma
Test "lgamma (0.7) == 0.26086724653166651439":
double: 1
float: 1
idouble: 1
ifloat: 1
Test "lgamma (1.2) == -0.853740900033158497197e-1":
double: 1
float: 2
idouble: 1
ifloat: 2

# log10
Test "log10 (0.75) == -0.124938736608299953132449886193870744":
double: 1
float: 2
idouble: 1
ifloat: 2
Test "log10 (e) == log10(e)":
float: 1
ifloat: 1

# log1p
Test "log1p (-0.25) == -0.287682072451780927439219005993827432":
float: 1
ifloat: 1

# sincos
Test "sincos (M_PI_6l*2.0, &sin_res, &cos_res) puts 0.5 in cos_res":
double: 1
float: 1
idouble: 1
ifloat: 1
Test "sincos (M_PI_6l*2.0, &sin_res, &cos_res) puts 0.86602540378443864676372317075293616 in sin_res":
double: 1
float: 1
idouble: 1
ifloat: 1
Test "sincos (pi/2, &sin_res, &cos_res) puts 0 in cos_res":
double: 1
float: 1
idouble: 1
ifloat: 1
Test "sincos (pi/6, &sin_res, &cos_res) puts 0.86602540378443864676372317075293616 in cos_res":
float: 1
ifloat: 1

# tan
Test "tan (pi/4) == 1":
double: 1
idouble: 1

# tgamma
Test "tgamma (-0.5) == -2 sqrt (pi)":
double: 1
float: 1
idouble: 1
ifloat: 1
Test "tgamma (0.5) == sqrt (pi)":
float: 1
ifloat: 1
Test "tgamma (0.7) == 1.29805533264755778568":
double: 1
float: 1
idouble: 1
ifloat: 1

# y0
Test "y0 (1.0) == 0.0882569642156769579829267660235151628":
double: 2
float: 1
idouble: 2
ifloat: 1
Test "y0 (1.5) == 0.382448923797758843955068554978089862":
double: 2
float: 1
idouble: 2
ifloat: 1
Test "y0 (10.0) == 0.0556711672835993914244598774101900481":
float: 1
ifloat: 1
Test "y0 (8.0) == 0.223521489387566220527323400498620359":
double: 1
float: 1
idouble: 1
ifloat: 1

# y1
Test "y1 (0.125) == -5.19993611253477499595928744876579921":
double: 1
idouble: 1
Test "y1 (1.5) == -0.412308626973911295952829820633445323":
float: 1
ifloat: 1
Test "y1 (10.0) == 0.249015424206953883923283474663222803":
double: 3
float: 1
idouble: 3
ifloat: 1
Test "y1 (2.0) == -0.107032431540937546888370772277476637":
double: 1
float: 1
idouble: 1
ifloat: 1
Test "y1 (8.0) == -0.158060461731247494255555266187483550":
double: 1
float: 2
idouble: 1
ifloat: 2

# yn
Test "yn (0, 1.0) == 0.0882569642156769579829267660235151628":
double: 2
float: 1
idouble: 2
ifloat: 1
Test "yn (0, 1.5) == 0.382448923797758843955068554978089862":
double: 2
float: 1
idouble: 2
ifloat: 1
Test "yn (0, 10.0) == 0.0556711672835993914244598774101900481":
float: 1
ifloat: 1
Test "yn (0, 8.0) == 0.223521489387566220527323400498620359":
double: 1
float: 1
idouble: 1
ifloat: 1
Test "yn (1, 0.125) == -5.19993611253477499595928744876579921":
double: 1
idouble: 1
Test "yn (1, 1.5) == -0.412308626973911295952829820633445323":
float: 1
ifloat: 1
Test "yn (1, 10.0) == 0.249015424206953883923283474663222803":
double: 3
float: 1
idouble: 3
ifloat: 1
Test "yn (1, 2.0) == -0.107032431540937546888370772277476637":
double: 1
float: 1
idouble: 1
ifloat: 1
Test "yn (1, 8.0) == -0.158060461731247494255555266187483550":
double: 1
float: 2
idouble: 1
ifloat: 2
Test "yn (10, 0.125) == -127057845771019398.252538486899753195":
double: 1
idouble: 1
Test "yn (10, 0.75) == -2133501638.90573424452445412893839236":
double: 1
float: 1
idouble: 1
ifloat: 1
Test "yn (10, 1.0) == -121618014.278689189288130426667971145":
double: 1
idouble: 1
Test "yn (10, 10.0) == -0.359814152183402722051986577343560609":
double: 1
float: 1
idouble: 1
ifloat: 1
Test "yn (10, 2.0) == -129184.542208039282635913145923304214":
double: 2
idouble: 2
Test "yn (3, 0.125) == -2612.69757350066712600220955744091741":
double: 1
idouble: 1
Test "yn (3, 0.75) == -12.9877176234475433186319774484809207":
double: 1
float: 1
idouble: 1
ifloat: 1
Test "yn (3, 10.0) == -0.251362657183837329779204747654240998":
double: 1
float: 1
idouble: 1
ifloat: 1
Test "yn (3, 2.0) == -1.12778377684042778608158395773179238":
double: 1
idouble: 1

# Maximal error of functions:
Function: "atan2":
float: 3
ifloat: 3

Function: "atanh":
float: 1
ifloat: 1

Function: Real part of "cacosh":
double: 1
float: 7
idouble: 1
ifloat: 7

Function: Imaginary part of "cacosh":
double: 1
float: 3
idouble: 1
ifloat: 3

Function: Real part of "casin":
double: 1
float: 1
idouble: 1
ifloat: 1

Function: Real part of "casinh":
double: 5
float: 1
idouble: 5
ifloat: 1

Function: Imaginary part of "casinh":
double: 3
float: 6
idouble: 3
ifloat: 6

Function: Real part of "catan":
float: 4
ifloat: 4

Function: Imaginary part of "catan":
double: 1
float: 1
idouble: 1
ifloat: 1

Function: Real part of "catanh":
double: 4
idouble: 4

Function: Imaginary part of "catanh":
float: 6
ifloat: 6

Function: "cbrt":
double: 1
idouble: 1

Function: Real part of "ccos":
double: 1
float: 1
idouble: 1
ifloat: 1

Function: Imaginary part of "ccos":
float: 1
ifloat: 1

Function: Real part of "ccosh":
double: 1
float: 1
idouble: 1
ifloat: 1

Function: Imaginary part of "ccosh":
float: 1
ifloat: 1

Function: Real part of "cexp":
float: 1
ifloat: 1

Function: Imaginary part of "cexp":
float: 1
ifloat: 1

Function: Real part of "clog":
float: 1
ifloat: 1

Function: Imaginary part of "clog":
float: 3
ifloat: 3

Function: Real part of "clog10":
float: 1
ifloat: 1

Function: Imaginary part of "clog10":
double: 1
float: 5
idouble: 1
ifloat: 5

Function: "cos":
double: 2
float: 1
idouble: 2
ifloat: 1

Function: Real part of "cpow":
double: 2
float: 4
idouble: 2
ifloat: 4

Function: Imaginary part of "cpow":
double: 2
float: 2
idouble: 2
ifloat: 2

Function: Real part of "csinh":
float: 1
ifloat: 1

Function: Imaginary part of "csinh":
double: 1
float: 1
idouble: 1
ifloat: 1

Function: Real part of "csqrt":
float: 1
ifloat: 1

Function: Real part of "ctan":
double: 1
idouble: 1

Function: Imaginary part of "ctan":
double: 1
idouble: 1

Function: Real part of "ctanh":
double: 1
float: 2
idouble: 1
ifloat: 2

Function: Imaginary part of "ctanh":
float: 1
ifloat: 1

Function: "erf":
double: 1
idouble: 1

Function: "erfc":
double: 1
idouble: 1

Function: "exp10":
double: 6
float: 2
idouble: 6
ifloat: 2

Function: "expm1":
double: 1
float: 1
idouble: 1
ifloat: 1

Function: "hypot":
float: 1
ifloat: 1

Function: "j0":
double: 2
float: 2
idouble: 2
ifloat: 2

Function: "j1":
double: 1
float: 2
idouble: 1
ifloat: 2

Function: "jn":
double: 4
float: 4
idouble: 4
ifloat: 4

Function: "lgamma":
double: 1
float: 2
idouble: 1
ifloat: 2

Function: "log10":
double: 1
float: 2
idouble: 1
ifloat: 2

Function: "log1p":
float: 1
ifloat: 1

Function: "sincos":
double: 1
float: 1
idouble: 1
ifloat: 1

Function: "tan":
double: 1
idouble: 1

Function: "tgamma":
double: 1
float: 1
idouble: 1
ifloat: 1

Function: "y0":
double: 2
float: 1
idouble: 2
ifloat: 1

Function: "y1":
double: 3
float: 2
idouble: 3
ifloat: 2

Function: "yn":
double: 3
float: 2
idouble: 3
ifloat: 2

# end of automatic generation