derek.holloway
7502bf64a4
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28 lines
796 B
Common Lisp
28 lines
796 B
Common Lisp
/*===--------------------------------------------------------------------------
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* ROCm Device Libraries
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*
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* This file is distributed under the University of Illinois Open Source
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* License. See LICENSE.TXT for details.
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*===------------------------------------------------------------------------*/
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#include "mathF.h"
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CONSTATTR float
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MATH_MANGLE(hypot)(float x, float y)
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{
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float a = BUILTIN_ABS_F32(x);
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float b = BUILTIN_ABS_F32(y);
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float t = BUILTIN_MAX_F32(a, b);
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int e = BUILTIN_FREXP_EXP_F32(t) ;
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a = BUILTIN_FLDEXP_F32(a, -e);
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b = BUILTIN_FLDEXP_F32(b, -e);
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float ret = BUILTIN_FLDEXP_F32(MATH_FAST_SQRT(MATH_MAD(a, a, b*b)), e);
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if (!FINITE_ONLY_OPT()) {
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ret = BUILTIN_ISINF_F32(t) ? PINF_F32 : ret;
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}
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return ret;
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}
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