X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fmath%2Fs_sinf.c;fp=src%2Fmath%2Fs_sinf.c;h=0000000000000000000000000000000000000000;hb=b69f695acedd4ce2798ef9ea28d834ceccc789bd;hp=d2b8e80688ee243a2866e10e2e85b80703ffd1f5;hpb=d46cf2e14cc4df7cc75e77d7009fcb6df1f48a33;p=musl diff --git a/src/math/s_sinf.c b/src/math/s_sinf.c deleted file mode 100644 index d2b8e806..00000000 --- a/src/math/s_sinf.c +++ /dev/null @@ -1,45 +0,0 @@ -/* s_sinf.c -- float version of s_sin.c. - * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com. - */ - -/* - * ==================================================== - * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. - * - * Developed at SunPro, a Sun Microsystems, Inc. business. - * Permission to use, copy, modify, and distribute this - * software is freely granted, provided that this notice - * is preserved. - * ==================================================== - */ - -#include -#include "math_private.h" - -float -sinf(float x) -{ - float y[2],z=0.0; - int32_t n, ix; - - GET_FLOAT_WORD(ix,x); - - /* |x| ~< pi/4 */ - ix &= 0x7fffffff; - if(ix <= 0x3f490fd8) return __kernel_sinf(x,z,0); - - /* sin(Inf or NaN) is NaN */ - else if (ix>=0x7f800000) return x-x; - - /* argument reduction needed */ - else { - n = __ieee754_rem_pio2f(x,y); - switch(n&3) { - case 0: return __kernel_sinf(y[0],y[1],1); - case 1: return __kernel_cosf(y[0],y[1]); - case 2: return -__kernel_sinf(y[0],y[1],1); - default: - return -__kernel_cosf(y[0],y[1]); - } - } -}