35 lines
1.2 KiB
C
35 lines
1.2 KiB
C
#ifndef __GEARSRC_MATH_H__
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#define __GEARSRC_MATH_H__
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#include <GearSrc/MachDep.h>
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#include <GearSrc/TypeDefs.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define GSMathPi 3.14159265358979323846
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GSDECL void GSMathCross3(GSVector3 r, GSVector3 v0, GSVector3 v1);
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GSDECL GSNumber GSMathInner3(GSVector3 v0, GSVector3 v1);
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GSDECL void GSMathNormalize3(GSVector3 vec);
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GSDECL void GSMathSubtract3(GSVector3 r, GSVector3 v0, GSVector3 v1);
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GSDECL void GSMathAdd3(GSVector3 r, GSVector3 v0, GSVector3 v1);
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GSDECL void GSMathNormalTriangle(GSVector3 r, GSVector3 v0, GSVector3 v1, GSVector3 v2);
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GSDECL void GSMathNormalQuad(GSVector3 r, GSVector3 v0, GSVector3 v1, GSVector3 v2, GSVector3 v3);
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GSDECL void GSMathInvert4x4(GSMatrix4x4 out, GSMatrix4x4 in);
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GSDECL void GSMathRowToColumn4x4(GSMatrix4x4 out, GSMatrix4x4 in);
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GSDECL void GSMathRowToColumn3x3(GSMatrix3x3 out, GSMatrix3x3 in);
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GSDECL void GSMath3x3To4x4(GSMatrix4x4 out, GSMatrix3x3 in);
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GSDECL GSNumber GSMathCot(GSNumber x);
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GSDECL GSNumber GSMathClosestPOT(GSNumber x);
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GSDECL GSNumber GSMathLength3(GSVector3 vec);
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#define GSMathColumnToRow4x4 GSMathRowToColumn4x4
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#define GSMathColumnToRow3x3 GSMathRowToColumn3x3
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#ifdef __cplusplus
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}
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#endif
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#endif
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