Lines Matching refs:x
39 cosf(float x) in cosf() argument
44 GET_FLOAT_WORD(hx,x); in cosf()
49 if (((int)x)==0) return 1.0; /* 1 with inexact if x != 0 */ in cosf()
50 return __kernel_cosdf(x); in cosf()
54 return -__kernel_cosdf(x + (hx > 0 ? -c2pio2 : c2pio2)); in cosf()
57 return __kernel_sindf(c1pio2 - x); in cosf()
59 return __kernel_sindf(x + c1pio2); in cosf()
64 return __kernel_cosdf(x + (hx > 0 ? -c4pio2 : c4pio2)); in cosf()
67 return __kernel_sindf(x - c3pio2); in cosf()
69 return __kernel_sindf(-c3pio2 - x); in cosf()
74 else if (ix>=0x7f800000) return x-x; in cosf()
78 n = __ieee754_rem_pio2f(x,&y); in cosf()