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Diffstat (limited to 'src/integral_double.h')
| -rw-r--r-- | src/integral_double.h | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/src/integral_double.h b/src/integral_double.h new file mode 100644 index 0000000..de179fb --- /dev/null +++ b/src/integral_double.h @@ -0,0 +1,81 @@ +/* +Copyright 2016 Ian Jauslin + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. +*/ + +/* + Preprocessor macros for integration using with doubles +*/ + + +// reset CPP macros +#undef INTEGRAL_FUNC +#undef INTEGRAL_FLOAT_TYPE +#undef INTEGRAL_FLOAT_INIT +#undef INTEGRAL_FLOAT_FREE +#undef INTEGRAL_FLOAT_SET_D +#undef INTEGRAL_FLOAT_SET_UI +#undef INTEGRAL_FLOAT_ADD +#undef INTEGRAL_FLOAT_SUB +#undef INTEGRAL_FLOAT_UI_SUB +#undef INTEGRAL_FLOAT_MUL +#undef INTEGRAL_FLOAT_POW_UI +#undef INTEGRAL_FLOAT_DIV +#undef INTEGRAL_FLOAT_DIV_UI +#undef INTEGRAL_FLOAT_ISNUMBER +#undef INTEGRAL_FLOATARRAY_TYPE +#undef INTEGRAL_FLOATARRAY_FUNC +#undef INTEGRAL_POLYNOMIAL_FUNC +#undef INTEGRAL_POLYNOMIALARRAY_TYPE +#undef INTEGRAL_POLYNOMIALARRAY_FUNC + +// suffix of function names +#define INTEGRAL_FUNC(NAME) NAME ## _double + +// type of floats +#define INTEGRAL_FLOAT_TYPE double +// set float from double +#define INTEGRAL_FLOAT_SET_D(FLOAT, VAL) FLOAT=VAL +// set float from unsigned int +#define INTEGRAL_FLOAT_SET_UI(FLOAT, VAL) FLOAT=(double)VAL +// add floats +#define INTEGRAL_FLOAT_ADD(FLOAT, VAL1, VAL2) FLOAT=VAL1+VAL2 +// subtract floats +#define INTEGRAL_FLOAT_SUB(FLOAT, VAL1, VAL2) FLOAT=VAL1-VAL2 +// subtract floats in which the first is specified as an unsigned int +#define INTEGRAL_FLOAT_UI_SUB(FLOAT, VAL1, VAL2) FLOAT=(double)VAL1-VAL2 +// multiply floats +#define INTEGRAL_FLOAT_MUL(FLOAT, VAL1, VAL2) FLOAT=VAL1*VAL2 +// power of a float, specified as an unsigned int +#define INTEGRAL_FLOAT_POW_UI(FLOAT, VAL1, VAL2) FLOAT=pow(VAL1, (double)VAL2) +// divide floats +#define INTEGRAL_FLOAT_DIV(FLOAT, VAL1, VAL2) FLOAT=VAL1/VAL2 +// divide floats, one of which is specified as an unsigned int +#define INTEGRAL_FLOAT_DIV_UI(FLOAT, VAL1, VAL2) FLOAT=VAL1/(double)VAL2 +// check whether a float is a regular number +#define INTEGRAL_FLOAT_ISNUMBER(FLOAT) (fpclassify(FLOAT)>=FP_ZERO) + +// type of float arrays +#define INTEGRAL_FLOATARRAY_TYPE array_double +// prefix of float array function names +#define INTEGRAL_FLOATARRAY_FUNC(NAME) array_double_ ## NAME + +// prefix of polynomial function names +#define INTEGRAL_POLYNOMIAL_FUNC(NAME) polynomial_double_ ## NAME + +// type of polynomial arrays +#define INTEGRAL_POLYNOMIALARRAY_TYPE array_polynomial_double +// prefix of polynomial array function names +#define INTEGRAL_POLYNOMIALARRAY_FUNC(NAME) array_polynomial_double_ ## NAME + |