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t2ex

bsd_source/lib/libc/src_bsd/math/s_tanf.c - 1.1KB - 40 lines

28:         ix &= 0x7fffffff;
29:         if(ix <= 0x3f490fda) return __kernel_tanf(x,z,1);
30: 
36:             n = __ieee754_rem_pio2f(x,y);
37:             return __kernel_tanf(y[0],y[1],1-((n&1)<<1)); /*   1 -- n even
38:                                                               -1 -- n odd */