diff options
Diffstat (limited to 'libc/sysdeps/ieee754/flt-32/e_fmodf.c')
| -rw-r--r-- | libc/sysdeps/ieee754/flt-32/e_fmodf.c | 33 |
1 files changed, 11 insertions, 22 deletions
diff --git a/libc/sysdeps/ieee754/flt-32/e_fmodf.c b/libc/sysdeps/ieee754/flt-32/e_fmodf.c index 47b312392..e82a9ceab 100644 --- a/libc/sysdeps/ieee754/flt-32/e_fmodf.c +++ b/libc/sysdeps/ieee754/flt-32/e_fmodf.c @@ -8,16 +8,12 @@ * * 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. * ==================================================== */ -#if defined(LIBM_SCCS) && !defined(lint) -static char rcsid[] = "$NetBSD: e_fmodf.c,v 1.4 1995/05/10 20:45:10 jtc Exp $"; -#endif - -/* +/* * __ieee754_fmodf(x,y) * Return x mod y in exact arithmetic * Method: shift and subtract @@ -26,18 +22,10 @@ static char rcsid[] = "$NetBSD: e_fmodf.c,v 1.4 1995/05/10 20:45:10 jtc Exp $"; #include "math.h" #include "math_private.h" -#ifdef __STDC__ static const float one = 1.0, Zero[] = {0.0, -0.0,}; -#else -static float one = 1.0, Zero[] = {0.0, -0.0,}; -#endif -#ifdef __STDC__ - float __ieee754_fmodf(float x, float y) -#else - float __ieee754_fmodf(x,y) - float x,y ; -#endif +float +__ieee754_fmodf (float x, float y) { int32_t n,hx,hy,hz,ix,iy,sx,i; @@ -66,13 +54,13 @@ static float one = 1.0, Zero[] = {0.0, -0.0,}; } else iy = (hy>>23)-127; /* set up {hx,lx}, {hy,ly} and align y to x */ - if(ix >= -126) + if(ix >= -126) hx = 0x00800000|(0x007fffff&hx); else { /* subnormal x, shift x to normal */ n = -126-ix; hx = hx<<n; } - if(iy >= -126) + if(iy >= -126) hy = 0x00800000|(0x007fffff&hy); else { /* subnormal y, shift y to normal */ n = -126-iy; @@ -85,17 +73,17 @@ static float one = 1.0, Zero[] = {0.0, -0.0,}; hz=hx-hy; if(hz<0){hx = hx+hx;} else { - if(hz==0) /* return sign(x)*0 */ + if(hz==0) /* return sign(x)*0 */ return Zero[(u_int32_t)sx>>31]; - hx = hz+hz; + hx = hz+hz; } } hz=hx-hy; if(hz>=0) {hx=hz;} /* convert back to floating value and restore the sign */ - if(hx==0) /* return sign(x)*0 */ - return Zero[(u_int32_t)sx>>31]; + if(hx==0) /* return sign(x)*0 */ + return Zero[(u_int32_t)sx>>31]; while(hx<0x00800000) { /* normalize x */ hx = hx+hx; iy -= 1; @@ -111,3 +99,4 @@ static float one = 1.0, Zero[] = {0.0, -0.0,}; } return x; /* exact output */ } +strong_alias (__ieee754_fmodf, __fmodf_finite) |