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-rw-r--r--lib/mlibc/options/ansi/generic/complex/casinf.c122
1 files changed, 0 insertions, 122 deletions
diff --git a/lib/mlibc/options/ansi/generic/complex/casinf.c b/lib/mlibc/options/ansi/generic/complex/casinf.c
deleted file mode 100644
index 9a9f759..0000000
--- a/lib/mlibc/options/ansi/generic/complex/casinf.c
+++ /dev/null
@@ -1,122 +0,0 @@
-/* $NetBSD: casinf.c,v 1.1 2007/08/20 16:01:31 drochner Exp $ */
-
-/*-
- * Copyright (c) 2007 The NetBSD Foundation, Inc.
- * All rights reserved.
- *
- * This code is derived from software written by Stephen L. Moshier.
- * It is redistributed by the NetBSD Foundation by permission of the author.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
- * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- *
- * imported and modified include for newlib 2010/10/03
- * Marco Atzeri <marco_atzeri@yahoo.it>
- */
-
-#include <complex.h>
-#include <math.h>
-
-#ifdef __weak_alias
-__weak_alias(casinf, _casinf)
-#endif
-
-float complex
-casinf(float complex z)
-{
- float complex w;
- float complex ca, ct, zz, z2;
- float x, y;
-
- x = crealf(z);
- y = cimagf(z);
-
-#if 0 /* MD: test is incorrect, casin(>1) is defined */
- if (y == 0.0f) {
- if (fabsf(x) > 1.0) {
- w = M_PI_2 + 0.0f * I;
-#if 0
- mtherr ("casin", DOMAIN);
-#endif
- } else {
- w = asinf(x) + 0.0f * I;
- }
- return w;
- }
-#endif
-
-/* Power series expansion */
-/*
-b = cabsf(z);
-if( b < 0.125 )
-{
-z2.r = (x - y) * (x + y);
-z2.i = 2.0 * x * y;
-
-cn = 1.0;
-n = 1.0;
-ca.r = x;
-ca.i = y;
-sum.r = x;
-sum.i = y;
-do
- {
- ct.r = z2.r * ca.r - z2.i * ca.i;
- ct.i = z2.r * ca.i + z2.i * ca.r;
- ca.r = ct.r;
- ca.i = ct.i;
-
- cn *= n;
- n += 1.0;
- cn /= n;
- n += 1.0;
- b = cn/n;
-
- ct.r *= b;
- ct.i *= b;
- sum.r += ct.r;
- sum.i += ct.i;
- b = fabsf(ct.r) + fabsf(ct.i);
- }
-while( b > MACHEP );
-w->r = sum.r;
-w->i = sum.i;
-return;
-}
-*/
-
-
- ca = x + y * I;
- ct = ca * I;
- /* sqrt( 1 - z*z) */
- /* cmul( &ca, &ca, &zz ) */
- /*x * x - y * y */
- zz = (x - y) * (x + y) + (2.0f * x * y) * I;
-
- zz = 1.0f - crealf(zz) - cimagf(zz) * I;
- z2 = csqrtf(zz);
-
- zz = ct + z2;
- zz = clogf(zz);
- /* multiply by 1/i = -i */
- w = zz * (-1.0f * I);
- return w;
-}