diff options
Diffstat (limited to 'libm/e_atan2.c')
-rw-r--r-- | libm/e_atan2.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/libm/e_atan2.c b/libm/e_atan2.c index 2b5edeacf..8bfc79232 100644 --- a/libm/e_atan2.c +++ b/libm/e_atan2.c @@ -5,7 +5,7 @@ * * Developed at SunPro, a Sun Microsystems, Inc. business. * Permission to use, copy, modify, and distribute this - * software is freely granted, provided that this notice + * software is freely granted, provided that this notice * is preserved. * ==================================================== */ @@ -17,7 +17,7 @@ static char rcsid[] = "$NetBSD: e_atan2.c,v 1.8 1995/05/10 20:44:51 jtc Exp $"; /* __ieee754_atan2(y,x) * Method : * 1. Reduce y to positive by atan2(y,x)=-atan2(-y,x). - * 2. Reduce x to positive by (if x and y are unexceptional): + * 2. Reduce x to positive by (if x and y are unexceptional): * ARG (x+iy) = arctan(y/x) ... if x > 0, * ARG (x+iy) = pi - arctan[y/(-x)] ... if x < 0, * @@ -35,9 +35,9 @@ static char rcsid[] = "$NetBSD: e_atan2.c,v 1.8 1995/05/10 20:44:51 jtc Exp $"; * ATAN2(+-INF, (anything but,0,NaN, and INF)) is +-pi/2; * * Constants: - * The hexadecimal values are the intended ones for the following - * constants. The decimal values may be used, provided that the - * compiler will convert from decimal to binary accurately enough + * The hexadecimal values are the intended ones for the following + * constants. The decimal values may be used, provided that the + * compiler will convert from decimal to binary accurately enough * to produce the hexadecimal values shown. */ @@ -45,9 +45,9 @@ static char rcsid[] = "$NetBSD: e_atan2.c,v 1.8 1995/05/10 20:44:51 jtc Exp $"; #include "math_private.h" #ifdef __STDC__ -static const double +static const double #else -static double +static double #endif tiny = 1.0e-300, zero = 0.0, @@ -62,7 +62,7 @@ pi_lo = 1.2246467991473531772E-16; /* 0x3CA1A626, 0x33145C07 */ double __ieee754_atan2(y,x) double y,x; #endif -{ +{ double z; int32_t k,m,hx,hy,ix,iy; u_int32_t lx,ly; @@ -80,7 +80,7 @@ pi_lo = 1.2246467991473531772E-16; /* 0x3CA1A626, 0x33145C07 */ /* when y = 0 */ if((iy|ly)==0) { switch(m) { - case 0: + case 0: case 1: return y; /* atan(+-0,+anything)=+-0 */ case 2: return pi+tiny;/* atan(+0,-anything) = pi */ case 3: return -pi-tiny;/* atan(-0,-anything) =-pi */ @@ -88,7 +88,7 @@ pi_lo = 1.2246467991473531772E-16; /* 0x3CA1A626, 0x33145C07 */ } /* when x = 0 */ if((ix|lx)==0) return (hy<0)? -pi_o_2-tiny: pi_o_2+tiny; - + /* when x is INF */ if(ix==0x7ff00000) { if(iy==0x7ff00000) { |