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/**************************************************************************
*
* Copyright 2009 VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
/**
* @file
* Helper arithmetic functions.
*
* @author Jose Fonseca <jfonseca@vmware.com>
*/
#ifndef LP_BLD_ARIT_H
#define LP_BLD_ARIT_H
#include <llvm-c/Core.h>
struct lp_type type;
struct lp_build_context;
/**
* Complement, i.e., 1 - a.
*/
LLVMValueRef
lp_build_comp(struct lp_build_context *bld,
LLVMValueRef a);
LLVMValueRef
lp_build_add(struct lp_build_context *bld,
LLVMValueRef a,
LLVMValueRef b);
LLVMValueRef
lp_build_sub(struct lp_build_context *bld,
LLVMValueRef a,
LLVMValueRef b);
LLVMValueRef
lp_build_mul(struct lp_build_context *bld,
LLVMValueRef a,
LLVMValueRef b);
LLVMValueRef
lp_build_div(struct lp_build_context *bld,
LLVMValueRef a,
LLVMValueRef b);
LLVMValueRef
lp_build_lerp(struct lp_build_context *bld,
LLVMValueRef x,
LLVMValueRef v0,
LLVMValueRef v1);
/**
* Bilinear interpolation.
*
* Values indices are in v_{yx}.
*/
LLVMValueRef
lp_build_lerp_2d(struct lp_build_context *bld,
LLVMValueRef x,
LLVMValueRef y,
LLVMValueRef v00,
LLVMValueRef v01,
LLVMValueRef v10,
LLVMValueRef v11);
LLVMValueRef
lp_build_min(struct lp_build_context *bld,
LLVMValueRef a,
LLVMValueRef b);
LLVMValueRef
lp_build_max(struct lp_build_context *bld,
LLVMValueRef a,
LLVMValueRef b);
LLVMValueRef
lp_build_abs(struct lp_build_context *bld,
LLVMValueRef a);
LLVMValueRef
lp_build_sgn(struct lp_build_context *bld,
LLVMValueRef a);
LLVMValueRef
lp_build_round(struct lp_build_context *bld,
LLVMValueRef a);
LLVMValueRef
lp_build_floor(struct lp_build_context *bld,
LLVMValueRef a);
LLVMValueRef
lp_build_ceil(struct lp_build_context *bld,
LLVMValueRef a);
LLVMValueRef
lp_build_trunc(struct lp_build_context *bld,
LLVMValueRef a);
LLVMValueRef
lp_build_ifloor(struct lp_build_context *bld,
LLVMValueRef a);
LLVMValueRef
lp_build_iceil(struct lp_build_context *bld,
LLVMValueRef a);
LLVMValueRef
lp_build_iround(struct lp_build_context *bld,
LLVMValueRef a);
LLVMValueRef
lp_build_itrunc(struct lp_build_context *bld,
LLVMValueRef a);
LLVMValueRef
lp_build_sqrt(struct lp_build_context *bld,
LLVMValueRef a);
LLVMValueRef
lp_build_rcp(struct lp_build_context *bld,
LLVMValueRef a);
LLVMValueRef
lp_build_rsqrt(struct lp_build_context *bld,
LLVMValueRef a);
LLVMValueRef
lp_build_cos(struct lp_build_context *bld,
LLVMValueRef a);
LLVMValueRef
lp_build_sin(struct lp_build_context *bld,
LLVMValueRef a);
LLVMValueRef
lp_build_pow(struct lp_build_context *bld,
LLVMValueRef a,
LLVMValueRef b);
LLVMValueRef
lp_build_exp(struct lp_build_context *bld,
LLVMValueRef a);
LLVMValueRef
lp_build_log(struct lp_build_context *bld,
LLVMValueRef a);
LLVMValueRef
lp_build_exp2(struct lp_build_context *bld,
LLVMValueRef a);
LLVMValueRef
lp_build_log2(struct lp_build_context *bld,
LLVMValueRef a);
void
lp_build_exp2_approx(struct lp_build_context *bld,
LLVMValueRef x,
LLVMValueRef *p_exp2_int_part,
LLVMValueRef *p_frac_part,
LLVMValueRef *p_exp2);
void
lp_build_log2_approx(struct lp_build_context *bld,
LLVMValueRef x,
LLVMValueRef *p_exp,
LLVMValueRef *p_floor_log2,
LLVMValueRef *p_log2);
#endif /* !LP_BLD_ARIT_H */
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