Fix linux compilation. Now works for both linux and windows.

src/snark/src/algebra/curves/alt_bn128/alt_bn128_g1.hpp

@@ -63,7 +63,7 @@ public:
     static alt_bn128_G1 one();
     static alt_bn128_G1 random_element();
 
-    static size_t size_in_bits() { return base_field::size_in_bits() + 1; }
+    static unsigned long long size_in_bits() { return base_field::size_in_bits() + 1; }
     static bigint<base_field::num_limbs> base_field_char() { return base_field::field_char(); }
     static bigint<scalar_field::num_limbs> order() { return scalar_field::field_char(); }
 

src/snark/src/algebra/curves/alt_bn128/alt_bn128_g2.hpp

@@ -67,7 +67,7 @@ public:
     static alt_bn128_G2 one();
     static alt_bn128_G2 random_element();
 
-    static size_t size_in_bits() { return twist_field::size_in_bits() + 1; }
+    static unsigned long long size_in_bits() { return twist_field::size_in_bits() + 1; }
     static bigint<base_field::num_limbs> base_field_char() { return base_field::field_char(); }
     static bigint<scalar_field::num_limbs> order() { return scalar_field::field_char(); }
 

src/snark/src/algebra/fields/fp.hpp

@@ -50,9 +50,9 @@ public:
     static int64_t sqr_cnt;
     static int64_t inv_cnt;
 #endif
-    static size_t num_bits;
+    static unsigned long long num_bits;
     static bigint<n> euler; // (modulus-1)/2
-    static size_t s; // modulus = 2^s * t + 1
+    static unsigned long long s; // modulus = 2^s * t + 1
     static bigint<n> t; // with t odd
     static bigint<n> t_minus_1_over_2; // (t-1)/2
     static Fp_model<n, modulus> nqr; // a quadratic nonresidue
@@ -107,7 +107,7 @@ public:
     Fp_model inverse() const;
     Fp_model sqrt() const; // HAS TO BE A SQUARE (else does not terminate)
 
-    Fp_model operator^(const unsigned long long pow) const;
+    Fp_model operator^(const uint64_t pow) const;
     template<mp_size_t m>
     Fp_model operator^(const bigint<m> &pow) const;
 

src/snark/src/common/profiling.cpp

@@ -35,7 +35,7 @@
 
 namespace libsnark {
 
-long long get_nsec_time()
+int64_t get_nsec_time()
 {
     auto timepoint = std::chrono::high_resolution_clock::now();
     return std::chrono::duration_cast<std::chrono::nanoseconds>(timepoint.time_since_epoch()).count();

src/snark/src/common/utils.hpp

@@ -27,7 +27,7 @@ inline unsigned long long exp2(unsigned long long k) { return 1ull << k; }
 
 unsigned long long bitreverse(unsigned long long n, const unsigned long long l);
 bit_vector int_list_to_bits(const std::initializer_list<unsigned long long> &l, const unsigned long long wordsize);
-long long div_ceil(long long x, long long y);
+int64_t div_ceil(int64_t x, int64_t y);
 
 bool is_little_endian();
 

src/snark/src/common/utils.tcc

@@ -13,7 +13,7 @@
 namespace libsnark {
 
 template<typename T>
-size_t size_in_bits(const std::vector<T> &v)
+unsigned long long size_in_bits(const std::vector<T> &v)
 {
     return v.size() * T::size_in_bits();
 }