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