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Diffstat (limited to 'libgo/runtime/go-cdiv.c')
-rw-r--r-- | libgo/runtime/go-cdiv.c | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/libgo/runtime/go-cdiv.c b/libgo/runtime/go-cdiv.c deleted file mode 100644 index 0355e26..0000000 --- a/libgo/runtime/go-cdiv.c +++ /dev/null @@ -1,49 +0,0 @@ -/* go-cdiv.c -- complex division routines - - Copyright 2013 The Go Authors. All rights reserved. - Use of this source code is governed by a BSD-style - license that can be found in the LICENSE file. */ - -#include <complex.h> -#include <math.h> - -/* Calls to these functions are generated by the Go frontend for - division of complex64 or complex128. We use these because Go's - complex division expects slightly different results from the GCC - default. When dividing NaN+1.0i / 0+0i, Go expects NaN+NaNi but - GCC generates NaN+Infi. NaN+Infi seems wrong seems the rules of - C99 Annex G specify that if either side of a complex number is Inf, - the the whole number is Inf, but an operation involving NaN ought - to result in NaN, not Inf. */ - -complex float -__go_complex64_div (complex float a, complex float b) -{ - if (__builtin_expect (b == 0, 0)) - { - if (!isinf (crealf (a)) - && !isinf (cimagf (a)) - && (isnan (crealf (a)) || isnan (cimagf (a)))) - { - /* Pass "1" to nanf to match math/bits.go. */ - return nanf("1") + nanf("1")*I; - } - } - return a / b; -} - -complex double -__go_complex128_div (complex double a, complex double b) -{ - if (__builtin_expect (b == 0, 0)) - { - if (!isinf (creal (a)) - && !isinf (cimag (a)) - && (isnan (creal (a)) || isnan (cimag (a)))) - { - /* Pass "1" to nan to match math/bits.go. */ - return nan("1") + nan("1")*I; - } - } - return a / b; -} |