diff options
Diffstat (limited to 'math/s_ccosh_template.c')
-rw-r--r-- | math/s_ccosh_template.c | 77 |
1 files changed, 39 insertions, 38 deletions
diff --git a/math/s_ccosh_template.c b/math/s_ccosh_template.c index 4c2f3008a3..68de41d2da 100644 --- a/math/s_ccosh_template.c +++ b/math/s_ccosh_template.c @@ -1,4 +1,4 @@ -/* Complex cosine hyperbole function for double. +/* Complex cosine hyperbolic function for float types. Copyright (C) 1997-2016 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. @@ -23,10 +23,10 @@ #include <math_private.h> #include <float.h> -__complex__ double -__ccosh (__complex__ double x) +CFLOAT +M_DECL_FUNC (__ccosh) (CFLOAT x) { - __complex__ double retval; + CFLOAT retval; int rcls = fpclassify (__real__ x); int icls = fpclassify (__imag__ x); @@ -36,28 +36,28 @@ __ccosh (__complex__ double x) if (__glibc_likely (icls >= FP_ZERO)) { /* Imaginary part is finite. */ - const int t = (int) ((DBL_MAX_EXP - 1) * M_LN2); - double sinix, cosix; + const int t = (int) ((M_MAX_EXP - 1) * M_MLIT (M_LN2)); + FLOAT sinix, cosix; - if (__glibc_likely (fabs (__imag__ x) > DBL_MIN)) + if (__glibc_likely (M_FABS (__imag__ x) > M_MIN)) { - __sincos (__imag__ x, &sinix, &cosix); + M_SINCOS (__imag__ x, &sinix, &cosix); } else { sinix = __imag__ x; - cosix = 1.0; + cosix = 1; } - if (fabs (__real__ x) > t) + if (M_FABS (__real__ x) > t) { - double exp_t = __ieee754_exp (t); - double rx = fabs (__real__ x); + FLOAT exp_t = M_EXP (t); + FLOAT rx = M_FABS (__real__ x); if (signbit (__real__ x)) sinix = -sinix; rx -= t; - sinix *= exp_t / 2.0; - cosix *= exp_t / 2.0; + sinix *= exp_t / 2; + cosix *= exp_t / 2; if (rx > t) { rx -= t; @@ -67,28 +67,28 @@ __ccosh (__complex__ double x) if (rx > t) { /* Overflow (original real part of x > 3t). */ - __real__ retval = DBL_MAX * cosix; - __imag__ retval = DBL_MAX * sinix; + __real__ retval = M_MAX * cosix; + __imag__ retval = M_MAX * sinix; } else { - double exp_val = __ieee754_exp (rx); + FLOAT exp_val = M_EXP (rx); __real__ retval = exp_val * cosix; __imag__ retval = exp_val * sinix; } } else { - __real__ retval = __ieee754_cosh (__real__ x) * cosix; - __imag__ retval = __ieee754_sinh (__real__ x) * sinix; + __real__ retval = M_COSH (__real__ x) * cosix; + __imag__ retval = M_SINH (__real__ x) * sinix; } math_check_force_underflow_complex (retval); } else { - __imag__ retval = __real__ x == 0.0 ? 0.0 : __nan (""); - __real__ retval = __nan ("") + __nan (""); + __imag__ retval = __real__ x == 0 ? 0 : M_NAN; + __real__ retval = M_NAN + M_NAN; if (icls == FP_INFINITE) feraiseexcept (FE_INVALID); @@ -100,33 +100,33 @@ __ccosh (__complex__ double x) if (__glibc_likely (icls > FP_ZERO)) { /* Imaginary part is finite. */ - double sinix, cosix; + FLOAT sinix, cosix; - if (__glibc_likely (fabs (__imag__ x) > DBL_MIN)) + if (__glibc_likely (M_FABS (__imag__ x) > M_MIN)) { - __sincos (__imag__ x, &sinix, &cosix); + M_SINCOS (__imag__ x, &sinix, &cosix); } else { sinix = __imag__ x; - cosix = 1.0; + cosix = 1; } - __real__ retval = __copysign (HUGE_VAL, cosix); - __imag__ retval = (__copysign (HUGE_VAL, sinix) - * __copysign (1.0, __real__ x)); + __real__ retval = M_COPYSIGN (M_HUGE_VAL, cosix); + __imag__ retval = (M_COPYSIGN (M_HUGE_VAL, sinix) + * M_COPYSIGN (1, __real__ x)); } else if (icls == FP_ZERO) { /* Imaginary part is 0.0. */ - __real__ retval = HUGE_VAL; - __imag__ retval = __imag__ x * __copysign (1.0, __real__ x); + __real__ retval = M_HUGE_VAL; + __imag__ retval = __imag__ x * M_COPYSIGN (1, __real__ x); } else { /* The addition raises the invalid exception. */ - __real__ retval = HUGE_VAL; - __imag__ retval = __nan ("") + __nan (""); + __real__ retval = M_HUGE_VAL; + __imag__ retval = M_NAN + M_NAN; if (icls == FP_INFINITE) feraiseexcept (FE_INVALID); @@ -134,14 +134,15 @@ __ccosh (__complex__ double x) } else { - __real__ retval = __nan (""); - __imag__ retval = __imag__ x == 0.0 ? __imag__ x : __nan (""); + __real__ retval = M_NAN; + __imag__ retval = __imag__ x == 0 ? __imag__ x : M_NAN; } return retval; } -weak_alias (__ccosh, ccosh) -#ifdef NO_LONG_DOUBLE -strong_alias (__ccosh, __ccoshl) -weak_alias (__ccosh, ccoshl) + +declare_mgen_alias (__ccosh, ccosh); + +#if M_LIBM_NEED_COMPAT (carg) +declare_mgen_libm_compat (__ccosh, ccosh) #endif |