1 2 /* 3 Provides utility routines for manipulating any type of PETSc object. 4 */ 5 #include <petscsys.h> /*I "petscsys.h" I*/ 6 7 const char *const PetscDataTypes[] = {"UNKNOWN", 8 "DOUBLE","COMPLEX","LONG","SHORT","FLOAT", 9 "CHAR","LOGICAL","ENUM","BOOL","LONGDOUBLE", 10 "OBJECT","FUNCTION","STRING","FP16","STRUCT", 11 "INT","INT64", 12 "PetscDataType","PETSC_",0}; 13 14 /*@C 15 PetscDataTypeToMPIDataType - Converts the PETSc name of a datatype to its MPI name. 16 17 Not collective 18 19 Input Parameter: 20 . ptype - the PETSc datatype name (for example PETSC_DOUBLE) 21 22 Output Parameter: 23 . mtype - the MPI datatype (for example MPI_DOUBLE, ...) 24 25 Level: advanced 26 27 .seealso: PetscDataType, PetscMPIDataTypeToPetscDataType() 28 @*/ 29 PetscErrorCode PetscDataTypeToMPIDataType(PetscDataType ptype,MPI_Datatype *mtype) 30 { 31 PetscFunctionBegin; 32 if (ptype == PETSC_INT) *mtype = MPIU_INT; 33 else if (ptype == PETSC_DOUBLE) *mtype = MPI_DOUBLE; 34 #if defined(PETSC_USE_COMPLEX) 35 #if defined(PETSC_USE_REAL_SINGLE) 36 else if (ptype == PETSC_COMPLEX) *mtype = MPIU_C_COMPLEX; 37 #elif defined(PETSC_USE_REAL___FLOAT128) 38 else if (ptype == PETSC_COMPLEX) *mtype = MPIU___COMPLEX128; 39 #else 40 else if (ptype == PETSC_COMPLEX) *mtype = MPIU_C_DOUBLE_COMPLEX; 41 #endif 42 #endif 43 else if (ptype == PETSC_LONG) *mtype = MPI_LONG; 44 else if (ptype == PETSC_SHORT) *mtype = MPI_SHORT; 45 else if (ptype == PETSC_ENUM) *mtype = MPI_INT; 46 else if (ptype == PETSC_BOOL) *mtype = MPI_INT; 47 else if (ptype == PETSC_INT64) *mtype = MPIU_INT64; 48 else if (ptype == PETSC_FLOAT) *mtype = MPI_FLOAT; 49 else if (ptype == PETSC_CHAR) *mtype = MPI_CHAR; 50 else if (ptype == PETSC_BIT_LOGICAL) *mtype = MPI_BYTE; 51 #if defined(PETSC_USE_REAL___FLOAT128) 52 else if (ptype == PETSC___FLOAT128) *mtype = MPIU___FLOAT128; 53 #elif defined(PETSC_USE_REAL___FP16) 54 else if (ptype == PETSC___FP16) *mtype = MPIU___FP16; 55 #endif 56 else SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"Unknown PETSc datatype"); 57 PetscFunctionReturn(0); 58 } 59 60 /*@C 61 PetscMPIDataTypeToPetscDataType Finds the PETSc name of a datatype from its MPI name 62 63 Not collective 64 65 Input Parameter: 66 . mtype - the MPI datatype (for example MPI_DOUBLE, ...) 67 68 Output Parameter: 69 . ptype - the PETSc datatype name (for example PETSC_DOUBLE) 70 71 Level: advanced 72 73 .seealso: PetscDataType, PetscMPIDataTypeToPetscDataType() 74 @*/ 75 PetscErrorCode PetscMPIDataTypeToPetscDataType(MPI_Datatype mtype,PetscDataType *ptype) 76 { 77 PetscFunctionBegin; 78 if (mtype == MPIU_INT) *ptype = PETSC_INT; 79 #if defined(PETSC_USE_64BIT_INDICES) 80 else if (mtype == MPI_INT) *ptype = PETSC_ENUM; 81 #endif 82 else if (mtype == MPIU_INT64) *ptype = PETSC_INT64; 83 else if (mtype == MPI_DOUBLE) *ptype = PETSC_DOUBLE; 84 #if defined(PETSC_USE_COMPLEX) 85 #if defined(PETSC_USE_REAL_SINGLE) 86 else if (mtype == MPIU_C_COMPLEX) *ptype = PETSC_COMPLEX; 87 #elif defined(PETSC_USE_REAL___FLOAT128) 88 else if (mtype == MPIU___COMPLEX128) *ptype = PETSC_COMPLEX; 89 #else 90 else if (mtype == MPIU_C_DOUBLE_COMPLEX) *ptype = PETSC_COMPLEX; 91 #endif 92 #endif 93 else if (mtype == MPI_LONG) *ptype = PETSC_LONG; 94 else if (mtype == MPI_SHORT) *ptype = PETSC_SHORT; 95 else if (mtype == MPI_FLOAT) *ptype = PETSC_FLOAT; 96 else if (mtype == MPI_CHAR) *ptype = PETSC_CHAR; 97 #if defined(PETSC_USE_REAL___FLOAT128) 98 else if (mtype == MPIU___FLOAT128) *ptype = PETSC___FLOAT128; 99 #elif defined(PETSC_USE_REAL___FP16) 100 else if (mtype == MPIU___FP16) *ptype = PETSC___FP16; 101 #endif 102 else SETERRQ(PETSC_COMM_SELF,PETSC_ERR_SUP,"Unhandled MPI datatype"); 103 PetscFunctionReturn(0); 104 } 105 106 typedef enum {PETSC_INT_SIZE = sizeof(PetscInt), 107 PETSC_DOUBLE_SIZE = sizeof(double), 108 PETSC_COMPLEX_SIZE = sizeof(PetscScalar), 109 PETSC_LONG_SIZE = sizeof(long), 110 PETSC_SHORT_SIZE = sizeof(short), 111 PETSC_FLOAT_SIZE = sizeof(float), 112 PETSC_CHAR_SIZE = sizeof(char), 113 PETSC_ENUM_SIZE = sizeof(PetscEnum), 114 PETSC_BOOL_SIZE = sizeof(PetscBool), 115 PETSC_INT64_SIZE = sizeof(PetscInt64), 116 PETSC_BIT_LOGICAL_SIZE = sizeof(char) 117 #if defined(PETSC_USE_REAL___FLOAT128) 118 ,PETSC___FLOAT128_SIZE = sizeof(__float128) 119 #elif defined(PETSC_USE_REAL___FP16) 120 ,PETSC___FP16_SIZE = sizeof(__fp16) 121 #endif 122 } PetscDataTypeSize; 123 124 /*@C 125 PetscDataTypeGetSize - Gets the size (in bytes) of a PETSc datatype 126 127 Not collective 128 129 Input Parameter: 130 . ptype - the PETSc datatype name (for example PETSC_DOUBLE) 131 132 Output Parameter: 133 . size - the size in bytes (for example the size of PETSC_DOUBLE is 8) 134 135 Level: advanced 136 137 .seealso: PetscDataType, PetscDataTypeToMPIDataType() 138 @*/ 139 PetscErrorCode PetscDataTypeGetSize(PetscDataType ptype,size_t *size) 140 { 141 PetscFunctionBegin; 142 if ((int) ptype < 0) { 143 *size = -(int) ptype; 144 PetscFunctionReturn(0); 145 } 146 147 if (ptype == PETSC_INT) *size = PETSC_INT_SIZE; 148 else if (ptype == PETSC_DOUBLE) *size = PETSC_DOUBLE_SIZE; 149 #if defined(PETSC_USE_COMPLEX) 150 else if (ptype == PETSC_COMPLEX) *size = PETSC_COMPLEX_SIZE; 151 #endif 152 else if (ptype == PETSC_LONG) *size = PETSC_LONG_SIZE; 153 else if (ptype == PETSC_SHORT) *size = PETSC_SHORT_SIZE; 154 else if (ptype == PETSC_FLOAT) *size = PETSC_FLOAT_SIZE; 155 else if (ptype == PETSC_CHAR) *size = PETSC_CHAR_SIZE; 156 else if (ptype == PETSC_ENUM) *size = PETSC_ENUM_SIZE; 157 else if (ptype == PETSC_BOOL) *size = PETSC_BOOL_SIZE; 158 else if (ptype == PETSC_INT64) *size = PETSC_INT64_SIZE; 159 else if (ptype == PETSC_BIT_LOGICAL) *size = PETSC_BIT_LOGICAL_SIZE; 160 #if defined(PETSC_USE_REAL___FLOAT128) 161 else if (ptype == PETSC___FLOAT128) *size = PETSC___FLOAT128_SIZE; 162 #elif defined(PETSC_USE_REAL___FP16) 163 else if (ptype == PETSC___FP16) *size = PETSC___FP16_SIZE; 164 #endif 165 else SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"Unknown PETSc datatype"); 166 PetscFunctionReturn(0); 167 } 168 169 /*@C 170 PetscDataTypeFromString - Gets the enum value of a PETSc datatype represented as a string 171 172 Not collective 173 174 Input Parameter: 175 . name - the PETSc datatype name (for example, DOUBLE or real or Scalar) 176 177 Output Parameter: 178 + ptype - the enum value 179 - found - the string matches one of the data types 180 181 Level: advanced 182 183 .seealso: PetscDataType, PetscDataTypeToMPIDataType(), PetscDataTypeGetSize() 184 @*/ 185 PetscErrorCode PetscDataTypeFromString(const char*name, PetscDataType *ptype,PetscBool *found) 186 { 187 PetscErrorCode ierr; 188 189 PetscFunctionBegin; 190 ierr = PetscEnumFind(PetscDataTypes,name,(PetscEnum*)ptype,found);CHKERRQ(ierr); 191 if (!*found) { 192 char formatted[16]; 193 194 ierr = PetscStrncpy(formatted,name,16);CHKERRQ(ierr); 195 ierr = PetscStrtolower(formatted);CHKERRQ(ierr); 196 ierr = PetscStrcmp(formatted,"scalar",found);CHKERRQ(ierr); 197 if (*found) { 198 *ptype = PETSC_SCALAR; 199 } else { 200 ierr = PetscStrcmp(formatted,"real",found);CHKERRQ(ierr); 201 if (*found) { 202 *ptype = PETSC_REAL; 203 } 204 } 205 } 206 PetscFunctionReturn(0); 207 } 208