src/gallium/drivers/llvmpipe/lp_bld_arit.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2009 VMware, Inc.
   4  * All Rights Reserved.
   5  *
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   7  * copy of this software and associated documentation files (the
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  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
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  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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  25  *
  26  **************************************************************************/
  27
  28 /**
  29  * @file
  30  * Helper arithmetic functions.
  31  *
  32  * @author Jose Fonseca <jfonseca@vmware.com>
  33  */
  34
  35
  36 #ifndef LP_BLD_ARIT_H
  37 #define LP_BLD_ARIT_H
  38
  39
  40 #include <llvm-c/Core.h>
  41
  42
  43 union lp_type type;
  44 struct lp_build_context;
  45
  46
  47 /**
  48  * Complement, i.e., 1 - a.
  49  */
  50 LLVMValueRef
  51 lp_build_comp(struct lp_build_context *bld,
  52               LLVMValueRef a);
  53
  54 LLVMValueRef
  55 lp_build_add(struct lp_build_context *bld,
  56              LLVMValueRef a,
  57              LLVMValueRef b);
  58
  59 LLVMValueRef
  60 lp_build_sub(struct lp_build_context *bld,
  61              LLVMValueRef a,
  62              LLVMValueRef b);
  63
  64 LLVMValueRef
  65 lp_build_mul(struct lp_build_context *bld,
  66              LLVMValueRef a,
  67              LLVMValueRef b);
  68
  69 LLVMValueRef
  70 lp_build_div(struct lp_build_context *bld,
  71              LLVMValueRef a,
  72              LLVMValueRef b);
  73
  74 LLVMValueRef
  75 lp_build_min(struct lp_build_context *bld,
  76              LLVMValueRef a,
  77              LLVMValueRef b);
  78
  79 LLVMValueRef
  80 lp_build_max(struct lp_build_context *bld,
  81              LLVMValueRef a,
  82              LLVMValueRef b);
  83
  84 LLVMValueRef
  85 lp_build_abs(struct lp_build_context *bld,
  86              LLVMValueRef a);
  87
  88 LLVMValueRef
  89 lp_build_sqrt(struct lp_build_context *bld,
  90               LLVMValueRef a);
  91
  92 LLVMValueRef
  93 lp_build_rcp(struct lp_build_context *bld,
  94              LLVMValueRef a);
  95
  96 LLVMValueRef
  97 lp_build_rsqrt(struct lp_build_context *bld,
  98                LLVMValueRef a);
  99
 100 LLVMValueRef
 101 lp_build_cos(struct lp_build_context *bld,
 102              LLVMValueRef a);
 103
 104 LLVMValueRef
 105 lp_build_sin(struct lp_build_context *bld,
 106              LLVMValueRef a);
 107
 108 LLVMValueRef
 109 lp_build_pow(struct lp_build_context *bld,
 110              LLVMValueRef a,
 111              LLVMValueRef b);
 112
 113 LLVMValueRef
 114 lp_build_exp(struct lp_build_context *bld,
 115              LLVMValueRef a);
 116
 117 LLVMValueRef
 118 lp_build_log(struct lp_build_context *bld,
 119              LLVMValueRef a);
 120
 121 LLVMValueRef
 122 lp_build_exp2(struct lp_build_context *bld,
 123               LLVMValueRef a);
 124
 125 LLVMValueRef
 126 lp_build_log2(struct lp_build_context *bld,
 127               LLVMValueRef a);
 128
 129 void
 130 lp_build_exp2_approx(struct lp_build_context *bld,
 131                      LLVMValueRef x,
 132                      LLVMValueRef *p_exp2_int_part,
 133                      LLVMValueRef *p_frac_part,
 134                      LLVMValueRef *p_exp2);
 135
 136 void
 137 lp_build_log2_approx(struct lp_build_context *bld,
 138                      LLVMValueRef x,
 139                      LLVMValueRef *p_exp,
 140                      LLVMValueRef *p_floor_log2,
 141                      LLVMValueRef *p_log2);
 142
 143 #endif /* !LP_BLD_ARIT_H */