Convert 5 m4 checks to cmake modules

cmake/CheckComplex.cmake

@@ -0,0 +1,22 @@
+INCLUDE(CheckCXXSourceCompiles)
+
+MACRO (CHECK_COMPLEX _RESULT)
+
+SET(_CHECK_COMPLEX_SOURCE_CODE "
+
+#include<complex>
+
+using namespace std;
+
+int main(int argc, char *argv[])
+{
+  complex<double> x(1.0, 1.0);
+  complex<float> y(1.0f, 1.0f);
+  return 0;
+}
+
+")
+
+CHECK_CXX_SOURCE_COMPILES("${_CHECK_COMPLEX_SOURCE_CODE}" ${_RESULT})
+
+ENDMACRO (CHECK_COMPLEX)

cmake/CheckComplexMath1.cmake

@@ -0,0 +1,23 @@
+INCLUDE(CheckCXXSourceCompiles)
+
+MACRO (CHECK_COMPLEX_MATH1 _RESULT)
+
+SET(_CHECK_COMPLEX_MATH1_SOURCE_CODE "
+
+#include<complex>
+
+using namespace std;
+
+int main(int argc, char *argv[])
+{
+  complex<double> x(1.0, 1.0), y(1.0, 1.0);
+  cos(x); cosh(x); exp(x); log(x); pow(x,1); pow(x,double(2.0));
+  pow(x, y); pow(double(2.0), x); sin(x); sinh(x); sqrt(x); tan(x); tanh(x);
+  return 0;
+}
+
+")
+
+CHECK_CXX_SOURCE_COMPILES("${_CHECK_COMPLEX_MATH1_SOURCE_CODE}" ${_RESULT})
+
+ENDMACRO (CHECK_COMPLEX_MATH1)

cmake/CheckComplexMath2.cmake

@@ -0,0 +1,22 @@
+INCLUDE(CheckCXXSourceCompiles)
+
+MACRO (CHECK_COMPLEX_MATH2 _RESULT)
+
+SET(_CHECK_COMPLEX_MATH2_SOURCE_CODE "
+
+#include<complex>
+
+using namespace std;
+
+int main(int argc, char *argv[])
+{
+  complex<double> x(1.0, 1.0), y(1.0, 1.0);
+  acos(x); asin(x); atan(x); atan2(x,y); atan2(x, double(3.0));
+  atan2(double(3.0), x); log10(x); return 0;
+}
+
+")
+
+CHECK_CXX_SOURCE_COMPILES("${_CHECK_COMPLEX_MATH2_SOURCE_CODE}" ${_RESULT})
+
+ENDMACRO (CHECK_COMPLEX_MATH2)

cmake/CheckIeeeMath.cmake

@@ -0,0 +1,30 @@
+INCLUDE(CheckCXXSourceCompiles)
+
+MACRO (CHECK_IEEE_MATH _RESULT)
+
+SET(_CHECK_IEEE_MATH_SOURCE_CODE "
+
+#include<cmath>
+
+int main(int argc, char *argv[])
+{
+  double x = 1.0; double y = 1.0;
+  acosh(x); asinh(x); atanh(x);
+  expm1(x);
+  erf(x); erfc(x);
+  // finite(x);
+  isnan(x);
+  j0(x); j1(x);
+  lgamma(x);
+  logb(x); log1p(x);
+  rint(x);
+  // trunc(x);
+  y0(x); y1(x);
+  return 0;
+}
+
+")
+
+CHECK_CXX_SOURCE_COMPILES("${_CHECK_IEEE_MATH_SOURCE_CODE}" ${_RESULT})
+
+ENDMACRO (CHECK_IEEE_MATH)

cmake/CheckSysvMath.cmake

@@ -0,0 +1,34 @@
+INCLUDE(CheckCXXSourceCompiles)
+
+MACRO (CHECK_SYSV_MATH _RESULT)
+
+SET(_CHECK_SYSV_MATH_SOURCE_CODE "
+
+#include<cmath>
+
+int main(int argc, char *argv[])
+{
+  double x = 1.0; double y = 1.0;
+  _class(x);
+  ilogb(x);
+  itrunc(x);
+  nearest(x);
+  rsqrt(x);
+  uitrunc(x);
+  
+  copysign(x,y);
+  drem(x,y);
+  fmod(x,y);
+  hypot(x,y);
+  nextafter(x,y);
+  remainder(x,y);
+  scalb(x,y);
+  unordered(x,y);
+  return 0;
+}
+
+")
+
+CHECK_CXX_SOURCE_COMPILES("${_CHECK_SYSV_MATH_SOURCE_CODE}" ${_RESULT})
+
+ENDMACRO (CHECK_SYSV_MATH)