51 lines
1.3 KiB
Diff
51 lines
1.3 KiB
Diff
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[PATCH] uClibc can be (and by default is) configured without bessel functions
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Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
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---
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umath.c | 10 ++++++++++
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1 file changed, 10 insertions(+)
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Index: joe-3.7/umath.c
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===================================================================
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--- joe-3.7.orig/umath.c
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+++ joe-3.7/umath.c
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@@ -7,6 +7,12 @@
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*/
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#include "types.h"
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+/* uClibc can be configured without bessel functions */
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+#include <features.h>
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+#if defined (__UCLIBC__) && !defined(__DO_XSI_MATH__)
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+#define NO_BESSEL
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+#endif
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+
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unsigned char *merr;
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int mode_hex;
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@@ -396,10 +402,12 @@
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double m_fabs(double n) { return fabs(n); }
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double m_erf(double n) { return erf(n); }
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double m_erfc(double n) { return erfc(n); }
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+#ifndef NO_BESSEL
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double m_j0(double n) { return j0(n); }
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double m_j1(double n) { return j1(n); }
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double m_y0(double n) { return y0(n); }
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double m_y1(double n) { return y1(n); }
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+#endif
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double calc(BW *bw, unsigned char *s)
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{
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@@ -434,10 +442,12 @@
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v = get(USTR "abs"); v->func = m_fabs;
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v = get(USTR "erf"); v->func = m_erf;
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v = get(USTR "erfc"); v->func = m_erfc;
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+#ifndef NO_BESSEL
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v = get(USTR "j0"); v->func = m_j0;
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v = get(USTR "j1"); v->func = m_j1;
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v = get(USTR "y0"); v->func = m_y0;
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v = get(USTR "y1"); v->func = m_y1;
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+#endif
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}
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v = get(USTR "top");
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