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- /* */
- #include <math.h>
- #include "../interpreter.h"
- static double M_EValue = 2.7182818284590452354; /* e */
- static double M_LOG2EValue = 1.4426950408889634074; /* log_2 e */
- static double M_LOG10EValue = 0.43429448190325182765; /* log_10 e */
- static double M_LN2Value = 0.69314718055994530942; /* log_e 2 */
- static double M_LN10Value = 2.30258509299404568402; /* log_e 10 */
- static double M_PIValue = 3.14159265358979323846; /* pi */
- static double M_PI_2Value = 1.57079632679489661923; /* pi/2 */
- static double M_PI_4Value = 0.78539816339744830962; /* pi/4 */
- static double M_1_PIValue = 0.31830988618379067154; /* 1/pi */
- static double M_2_PIValue = 0.63661977236758134308; /* 2/pi */
- static double M_2_SQRTPIValue = 1.12837916709551257390; /* 2/sqrt(pi) */
- static double M_SQRT2Value = 1.41421356237309504880; /* sqrt(2) */
- static double M_SQRT1_2Value = 0.70710678118654752440; /* 1/sqrt(2) */
- void MathSin(struct ParseState *Parser, struct Value *ReturnValue,
- struct Value **Param, int NumArgs)
- {
- ReturnValue->Val->FP = sin(Param[0]->Val->FP);
- }
- void MathCos(struct ParseState *Parser, struct Value *ReturnValue,
- struct Value **Param, int NumArgs)
- {
- ReturnValue->Val->FP = cos(Param[0]->Val->FP);
- }
- void MathTan(struct ParseState *Parser, struct Value *ReturnValue,
- struct Value **Param, int NumArgs)
- {
- ReturnValue->Val->FP = tan(Param[0]->Val->FP);
- }
- void MathAsin(struct ParseState *Parser, struct Value *ReturnValue,
- struct Value **Param, int NumArgs)
- {
- ReturnValue->Val->FP = asin(Param[0]->Val->FP);
- }
- void MathAcos(struct ParseState *Parser, struct Value *ReturnValue,
- struct Value **Param, int NumArgs)
- {
- ReturnValue->Val->FP = acos(Param[0]->Val->FP);
- }
- void MathAtan(struct ParseState *Parser, struct Value *ReturnValue,
- struct Value **Param, int NumArgs)
- {
- ReturnValue->Val->FP = atan(Param[0]->Val->FP);
- }
- void MathAtan2(struct ParseState *Parser, struct Value *ReturnValue,
- struct Value **Param, int NumArgs)
- {
- ReturnValue->Val->FP = atan2(Param[0]->Val->FP, Param[1]->Val->FP);
- }
- void MathSinh(struct ParseState *Parser, struct Value *ReturnValue,
- struct Value **Param, int NumArgs)
- {
- ReturnValue->Val->FP = sinh(Param[0]->Val->FP);
- }
- void MathCosh(struct ParseState *Parser, struct Value *ReturnValue,
- struct Value **Param, int NumArgs)
- {
- ReturnValue->Val->FP = cosh(Param[0]->Val->FP);
- }
- void MathTanh(struct ParseState *Parser, struct Value *ReturnValue,
- struct Value **Param, int NumArgs)
- {
- ReturnValue->Val->FP = tanh(Param[0]->Val->FP);
- }
- void MathExp(struct ParseState *Parser, struct Value *ReturnValue,
- struct Value **Param, int NumArgs)
- {
- ReturnValue->Val->FP = exp(Param[0]->Val->FP);
- }
- void MathFabs(struct ParseState *Parser, struct Value *ReturnValue,
- struct Value **Param, int NumArgs)
- {
- ReturnValue->Val->FP = fabs(Param[0]->Val->FP);
- }
- void MathFmod(struct ParseState *Parser, struct Value *ReturnValue,
- struct Value **Param, int NumArgs)
- {
- ReturnValue->Val->FP = fmod(Param[0]->Val->FP, Param[1]->Val->FP);
- }
- void MathFrexp(struct ParseState *Parser, struct Value *ReturnValue,
- struct Value **Param, int NumArgs)
- {
- ReturnValue->Val->FP = frexp(Param[0]->Val->FP, Param[1]->Val->Pointer);
- }
- void MathLdexp(struct ParseState *Parser, struct Value *ReturnValue,
- struct Value **Param, int NumArgs)
- {
- ReturnValue->Val->FP = ldexp(Param[0]->Val->FP, Param[1]->Val->Integer);
- }
- void MathLog(struct ParseState *Parser, struct Value *ReturnValue,
- struct Value **Param, int NumArgs)
- {
- ReturnValue->Val->FP = log(Param[0]->Val->FP);
- }
- void MathLog10(struct ParseState *Parser, struct Value *ReturnValue,
- struct Value **Param, int NumArgs)
- {
- ReturnValue->Val->FP = log10(Param[0]->Val->FP);
- }
- void MathModf(struct ParseState *Parser, struct Value *ReturnValue,
- struct Value **Param, int NumArgs)
- {
- ReturnValue->Val->FP = modf(Param[0]->Val->FP, Param[0]->Val->Pointer);
- }
- void MathPow(struct ParseState *Parser, struct Value *ReturnValue,
- struct Value **Param, int NumArgs)
- {
- ReturnValue->Val->FP = pow(Param[0]->Val->FP, Param[1]->Val->FP);
- }
- void MathSqrt(struct ParseState *Parser, struct Value *ReturnValue,
- struct Value **Param, int NumArgs)
- {
- ReturnValue->Val->FP = sqrt(Param[0]->Val->FP);
- }
- void MathRound(struct ParseState *Parser, struct Value *ReturnValue,
- struct Value **Param, int NumArgs)
- {
- /* this awkward definition of "round()" due to it being inconsistently
- * declared in math.h */
- ReturnValue->Val->FP = ceil(Param[0]->Val->FP - 0.5);
- }
- void MathCeil(struct ParseState *Parser, struct Value *ReturnValue,
- struct Value **Param, int NumArgs)
- {
- ReturnValue->Val->FP = ceil(Param[0]->Val->FP);
- }
- void MathFloor(struct ParseState *Parser, struct Value *ReturnValue,
- struct Value **Param, int NumArgs)
- {
- ReturnValue->Val->FP = floor(Param[0]->Val->FP);
- }
- /* all math.h functions */
- struct LibraryFunction MathFunctions[] =
- {
- {MathAcos, "float acos(float);"},
- {MathAsin, "float asin(float);"},
- {MathAtan, "float atan(float);"},
- {MathAtan2, "float atan2(float, float);"},
- {MathCeil, "float ceil(float);"},
- {MathCos, "float cos(float);"},
- {MathCosh, "float cosh(float);"},
- {MathExp, "float exp(float);"},
- {MathFabs, "float fabs(float);"},
- {MathFloor, "float floor(float);"},
- {MathFmod, "float fmod(float, float);"},
- {MathFrexp, "float frexp(float, int *);"},
- {MathLdexp, "float ldexp(float, int);"},
- {MathLog, "float log(float);"},
- {MathLog10, "float log10(float);"},
- {MathModf, "float modf(float, float *);"},
- {MathPow, "float pow(float,float);"},
- {MathRound, "float round(float);"},
- {MathSin, "float sin(float);"},
- {MathSinh, "float sinh(float);"},
- {MathSqrt, "float sqrt(float);"},
- {MathTan, "float tan(float);"},
- {MathTanh, "float tanh(float);"},
- {NULL, NULL }
- };
- /* creates various system-dependent definitions */
- void MathSetupFunc(Picoc *pc)
- {
- VariableDefinePlatformVar(pc, NULL, "M_E", &pc->FPType,
- (union AnyValue*)&M_EValue, false);
- VariableDefinePlatformVar(pc, NULL, "M_LOG2E", &pc->FPType,
- (union AnyValue*)&M_LOG2EValue, false);
- VariableDefinePlatformVar(pc, NULL, "M_LOG10E", &pc->FPType,
- (union AnyValue*)&M_LOG10EValue, false);
- VariableDefinePlatformVar(pc, NULL, "M_LN2", &pc->FPType,
- (union AnyValue*)&M_LN2Value, false);
- VariableDefinePlatformVar(pc, NULL, "M_LN10", &pc->FPType,
- (union AnyValue*)&M_LN10Value, false);
- VariableDefinePlatformVar(pc, NULL, "M_PI", &pc->FPType,
- (union AnyValue*)&M_PIValue, false);
- VariableDefinePlatformVar(pc, NULL, "M_PI_2", &pc->FPType,
- (union AnyValue*)&M_PI_2Value, false);
- VariableDefinePlatformVar(pc, NULL, "M_PI_4", &pc->FPType,
- (union AnyValue*)&M_PI_4Value, false);
- VariableDefinePlatformVar(pc, NULL, "M_1_PI", &pc->FPType,
- (union AnyValue*)&M_1_PIValue, false);
- VariableDefinePlatformVar(pc, NULL, "M_2_PI", &pc->FPType,
- (union AnyValue*)&M_2_PIValue, false);
- VariableDefinePlatformVar(pc, NULL, "M_2_SQRTPI", &pc->FPType,
- (union AnyValue*)&M_2_SQRTPIValue, false);
- VariableDefinePlatformVar(pc, NULL, "M_SQRT2", &pc->FPType,
- (union AnyValue*)&M_SQRT2Value, false);
- VariableDefinePlatformVar(pc, NULL, "M_SQRT1_2", &pc->FPType,
- (union AnyValue*)&M_SQRT1_2Value, false);
- }
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