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Comparing libecb/ecb.h (file contents):
Revision 1.121 by root, Sat Oct 26 09:16:15 2013 UTC vs.
Revision 1.124 by root, Tue Dec 3 15:35:14 2013 UTC

1/* 1/*
2 * libecb - http://software.schmorp.de/pkg/libecb 2 * libecb - http://software.schmorp.de/pkg/libecb
3 * 3 *
4 * Copyright (©) 2009-2012 Marc Alexander Lehmann <libecb@schmorp.de> 4 * Copyright (©) 2009-2013 Marc Alexander Lehmann <libecb@schmorp.de>
5 * Copyright (©) 2011 Emanuele Giaquinta 5 * Copyright (©) 2011 Emanuele Giaquinta
6 * All rights reserved. 6 * All rights reserved.
7 * 7 *
8 * Redistribution and use in source and binary forms, with or without modifica- 8 * Redistribution and use in source and binary forms, with or without modifica-
9 * tion, are permitted provided that the following conditions are met: 9 * tion, are permitted provided that the following conditions are met:
… …
134 || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ 134 || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__
135 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory") 135 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
136 #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \ 136 #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
137 || defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__ 137 || defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__
138 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") 138 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
139 #elif __sparc || __sparc__ 139 #elif (__sparc || __sparc__) && !__sparcv8
140 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory") 140 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
141 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") 141 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
142 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") 142 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
143 #elif defined __s390__ || defined __s390x__ 143 #elif defined __s390__ || defined __s390x__
144 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") 144 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
… …
587 587
588#ifndef ECB_NO_LIBM 588#ifndef ECB_NO_LIBM
589 589
590 #include <math.h> /* for frexp*, ldexp*, INFINITY, NAN */ 590 #include <math.h> /* for frexp*, ldexp*, INFINITY, NAN */
591 591
592 /* only the oldest of old doesn't have this one. solaris. */
593 #ifdef INFINITY
594 #define ECB_INFINITY INFINITY
595 #else
596 #define ECB_INFINITY HUGE_VAL
597 #endif
598
592 #ifdef NEN 599 #ifdef NAN
593 #define ECB_NAN NAN 600 #define ECB_NAN NAN
594 #else 601 #else
595 #define ECB_NAN INFINITY 602 #define ECB_NAN ECB_INFINITY
596 #endif 603 #endif
597 604
598 /* converts an ieee half/binary16 to a float */ 605 /* converts an ieee half/binary16 to a float */
599 ecb_function_ float ecb_binary16_to_float (uint16_t x) ecb_const; 606 ecb_function_ float ecb_binary16_to_float (uint16_t x) ecb_const;
600 ecb_function_ float 607 ecb_function_ float
… …
605 float r; 612 float r;
606 613
607 if (!e ) r = ldexpf (m , -24); 614 if (!e ) r = ldexpf (m , -24);
608 else if (e != 31) r = ldexpf (m + 0x400, e - 25); 615 else if (e != 31) r = ldexpf (m + 0x400, e - 25);
609 else if (m ) r = ECB_NAN; 616 else if (m ) r = ECB_NAN;
610 else r = INFINITY; 617 else r = ECB_INFINITY;
611 618
612 return x & 0x8000 ? -r : r; 619 return x & 0x8000 ? -r : r;
613 } 620 }
614 621
615 /* convert a float to ieee single/binary32 */ 622 /* convert a float to ieee single/binary32 */

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