97 lines
2.2 KiB
C
97 lines
2.2 KiB
C
#ifndef _MATH_H
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#ifdef _ISOMAC
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# undef NO_LONG_DOUBLE
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#endif
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#include <math/math.h>
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#ifndef _ISOMAC
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/* Now define the internal interfaces. */
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extern int __signgam;
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# if IS_IN (libc) || IS_IN (libm)
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hidden_proto (__finite)
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hidden_proto (__isinf)
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hidden_proto (__isnan)
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hidden_proto (__finitef)
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hidden_proto (__isinff)
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hidden_proto (__isnanf)
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# ifndef __NO_LONG_DOUBLE_MATH
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hidden_proto (__finitel)
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hidden_proto (__isinfl)
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hidden_proto (__isnanl)
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# endif
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# if __HAVE_DISTINCT_FLOAT128
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hidden_proto (__finitef128)
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hidden_proto (__isinff128)
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hidden_proto (__isnanf128)
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hidden_proto (__signbitf128)
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# endif
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# endif
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libm_hidden_proto (__fpclassify)
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libm_hidden_proto (__fpclassifyf)
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libm_hidden_proto (__issignaling)
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libm_hidden_proto (__issignalingf)
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libm_hidden_proto (__exp)
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libm_hidden_proto (__expf)
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libm_hidden_proto (__roundeven)
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# ifndef __NO_LONG_DOUBLE_MATH
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libm_hidden_proto (__fpclassifyl)
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libm_hidden_proto (__issignalingl)
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libm_hidden_proto (__expl)
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libm_hidden_proto (__expm1l)
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# endif
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# if __HAVE_DISTINCT_FLOAT128
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libm_hidden_proto (__fpclassifyf128)
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libm_hidden_proto (__issignalingf128)
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libm_hidden_proto (__expf128)
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libm_hidden_proto (__expm1f128)
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# endif
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# if __HAVE_DISTINCT_FLOAT128
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/* __builtin_isinf_sign is broken in GCC < 7 for float128. */
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# if ! __GNUC_PREREQ (7, 0)
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# include <ieee754_float128.h>
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extern inline int
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__isinff128 (_Float128 x)
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{
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int64_t hx, lx;
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GET_FLOAT128_WORDS64 (hx, lx, x);
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lx |= (hx & 0x7fffffffffffffffLL) ^ 0x7fff000000000000LL;
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lx |= -lx;
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return ~(lx >> 63) & (hx >> 62);
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}
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# endif
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extern inline _Float128
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fabsf128 (_Float128 x)
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{
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return __builtin_fabsf128 (x);
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}
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# endif
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# if !(defined __FINITE_MATH_ONLY__ && __FINITE_MATH_ONLY__ > 0)
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# ifndef NO_MATH_REDIRECT
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/* Declare sqrt for use within GLIBC. Compilers typically inline sqrt as a
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single instruction. Use an asm to avoid use of PLTs if it doesn't. */
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float (sqrtf) (float) asm ("__ieee754_sqrtf");
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double (sqrt) (double) asm ("__ieee754_sqrt");
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# ifndef __NO_LONG_DOUBLE_MATH
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long double (sqrtl) (long double) asm ("__ieee754_sqrtl");
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# endif
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# if __HAVE_DISTINCT_FLOAT128 > 0
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_Float128 (sqrtf128) (_Float128) asm ("__ieee754_sqrtf128");
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# endif
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# endif
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# endif
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#endif
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#endif
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