diff options
Diffstat (limited to 'sysdeps/ieee754/dbl-64/s_sin.c')
| -rw-r--r-- | sysdeps/ieee754/dbl-64/s_sin.c | 64 |
1 files changed, 49 insertions, 15 deletions
diff --git a/sysdeps/ieee754/dbl-64/s_sin.c b/sysdeps/ieee754/dbl-64/s_sin.c index 02d428ca03..6f19f158f1 100644 --- a/sysdeps/ieee754/dbl-64/s_sin.c +++ b/sysdeps/ieee754/dbl-64/s_sin.c @@ -55,6 +55,10 @@ #include "MathLib.h" #include "math_private.h" +#ifndef SECTION +# define SECTION +#endif + extern const union { int4 i[880]; @@ -92,7 +96,9 @@ static double csloww2(double x, double dx, double orig, int n); /* An ultimate sin routine. Given an IEEE double machine number x */ /* it computes the correctly rounded (to nearest) value of sin(x) */ /*******************************************************************/ -double __sin(double x){ +double +SECTION +__sin(double x){ double xx,res,t,cor,y,s,c,sn,ssn,cs,ccs,xn,a,da,db,eps,xn1,xn2; #if 0 double w[2]; @@ -349,7 +355,9 @@ double __sin(double x){ /* it computes the correctly rounded (to nearest) value of cos(x) */ /*******************************************************************/ -double __cos(double x) +double +SECTION +__cos(double x) { double y,xx,res,t,cor,s,c,sn,ssn,cs,ccs,xn,a,da,db,eps,xn1,xn2; mynumber u,v; @@ -596,7 +604,9 @@ double __cos(double x) /* precision and if still doesn't accurate enough by mpsin or dubsin */ /************************************************************************/ -static double slow(double x) { +static double +SECTION +slow(double x) { static const double th2_36 = 206158430208.0; /* 1.5*2**37 */ double y,x1,x2,xx,r,t,res,cor,w[2]; x1=(x+th2_36)-th2_36; @@ -620,7 +630,9 @@ static const double th2_36 = 206158430208.0; /* 1.5*2**37 */ /* and if result still doesn't accurate enough by mpsin or dubsin */ /*******************************************************************************/ -static double slow1(double x) { +static double +SECTION +slow1(double x) { mynumber u; double sn,ssn,cs,ccs,s,c,w[2],y,y1,y2,c1,c2,xx,cor,res; static const double t22 = 6291456.0; @@ -656,7 +668,9 @@ static double slow1(double x) { /* Routine compute sin(x) for 0.855469 <|x|<2.426265 by __sincostab.tbl */ /* and if result still doesn't accurate enough by mpsin or dubsin */ /**************************************************************************/ -static double slow2(double x) { +static double +SECTION +slow2(double x) { mynumber u; double sn,ssn,cs,ccs,s,c,w[2],y,y1,y2,e1,e2,xx,cor,res,del; static const double t22 = 6291456.0; @@ -708,7 +722,9 @@ static double slow2(double x) { /* result.And if result not accurate enough routine calls mpsin1 or dubsin */ /***************************************************************************/ -static double sloww(double x,double dx, double orig) { +static double +SECTION +sloww(double x,double dx, double orig) { static const double th2_36 = 206158430208.0; /* 1.5*2**37 */ double y,x1,x2,xx,r,t,res,cor,w[2],a,da,xn; union {int4 i[2]; double x;} v; @@ -755,7 +771,9 @@ static double sloww(double x,double dx, double orig) { /* accurate enough routine calls mpsin1 or dubsin */ /***************************************************************************/ -static double sloww1(double x, double dx, double orig) { +static double +SECTION +sloww1(double x, double dx, double orig) { mynumber u; double sn,ssn,cs,ccs,s,c,w[2],y,y1,y2,c1,c2,xx,cor,res; static const double t22 = 6291456.0; @@ -797,7 +815,9 @@ static double sloww1(double x, double dx, double orig) { /* accurate enough routine calls mpsin1 or dubsin */ /***************************************************************************/ -static double sloww2(double x, double dx, double orig, int n) { +static double +SECTION +sloww2(double x, double dx, double orig, int n) { mynumber u; double sn,ssn,cs,ccs,s,c,w[2],y,y1,y2,e1,e2,xx,cor,res; static const double t22 = 6291456.0; @@ -841,7 +861,9 @@ static double sloww2(double x, double dx, double orig, int n) { /* result.And if result not accurate enough routine calls other routines */ /***************************************************************************/ -static double bsloww(double x,double dx, double orig,int n) { +static double +SECTION +bsloww(double x,double dx, double orig,int n) { static const double th2_36 = 206158430208.0; /* 1.5*2**37 */ double y,x1,x2,xx,r,t,res,cor,w[2]; #if 0 @@ -874,7 +896,9 @@ static double bsloww(double x,double dx, double orig,int n) { /* And if result not accurate enough routine calls other routines */ /***************************************************************************/ -static double bsloww1(double x, double dx, double orig,int n) { +static double +SECTION +bsloww1(double x, double dx, double orig,int n) { mynumber u; double sn,ssn,cs,ccs,s,c,w[2],y,y1,y2,c1,c2,xx,cor,res; static const double t22 = 6291456.0; @@ -917,7 +941,9 @@ mynumber u; /* And if result not accurate enough routine calls other routines */ /***************************************************************************/ -static double bsloww2(double x, double dx, double orig, int n) { +static double +SECTION +bsloww2(double x, double dx, double orig, int n) { mynumber u; double sn,ssn,cs,ccs,s,c,w[2],y,y1,y2,e1,e2,xx,cor,res; static const double t22 = 6291456.0; @@ -959,7 +985,9 @@ mynumber u; /* precision and if still doesn't accurate enough by mpcos or docos */ /************************************************************************/ -static double cslow2(double x) { +static double +SECTION +cslow2(double x) { mynumber u; double sn,ssn,cs,ccs,s,c,w[2],y,y1,y2,e1,e2,xx,cor,res; static const double t22 = 6291456.0; @@ -1002,7 +1030,9 @@ static double cslow2(double x) { /***************************************************************************/ -static double csloww(double x,double dx, double orig) { +static double +SECTION +csloww(double x,double dx, double orig) { static const double th2_36 = 206158430208.0; /* 1.5*2**37 */ double y,x1,x2,xx,r,t,res,cor,w[2],a,da,xn; union {int4 i[2]; double x;} v; @@ -1051,7 +1081,9 @@ static double csloww(double x,double dx, double orig) { /* accurate enough routine calls other routines */ /***************************************************************************/ -static double csloww1(double x, double dx, double orig) { +static double +SECTION +csloww1(double x, double dx, double orig) { mynumber u; double sn,ssn,cs,ccs,s,c,w[2],y,y1,y2,c1,c2,xx,cor,res; static const double t22 = 6291456.0; @@ -1095,7 +1127,9 @@ static double csloww1(double x, double dx, double orig) { /* accurate enough routine calls other routines */ /***************************************************************************/ -static double csloww2(double x, double dx, double orig, int n) { +static double +SECTION +csloww2(double x, double dx, double orig, int n) { mynumber u; double sn,ssn,cs,ccs,s,c,w[2],y,y1,y2,e1,e2,xx,cor,res; static const double t22 = 6291456.0; |